what type of shark is a filter feeder what type of shark is a filter feeder

Unlike the megamouth and whale sharks, the basking shark does not appear to actively seek its quarry; but it does possess large olfactory bulbs that may guide it in the right direction. In this paper we focus on the case study of the two large Mediterranean filter feeders, the fin whale and basking shark. Are Sharks Endangered? I did not realize that so many different species were filter feeders, or that sometimes one filter feeder may eat another. The Greenland shark is found in the North Atlantic. Yes! Like Basking Sharks they are passive filter feeders. Gentle giants, whale sharks filter-feed, swimming with their wide mouths open, collecting plankton and small fish. An animal that lives in another plant or animal and eats that plant or animals without killing it. They are filter feeders. The whale shark is a 'filter feeder shark' which means it does not eat meat like other sharks. In fact, this type of shark is so large that its eggs are twice the size of an ostrich's. The whale shark is a type of carpet shark. Rieppel, O. Basking shark 6. Kennedy, Jennifer. Please copy/paste the following text to properly cite this HowStuffWorks.com article: Filter feeding is a method of aquatic feeding in which the animal takes in many small pieces of prey at one time. The motion is so slow that copepods cannot sense it and do not react with an escape response. A few types of whales are filter feeders. 4 types of sharks with a lot of teeth They can process more than 6,000 litres of water an hour through their gills. Filter feeders range from the very small (krill) to the very large (blue whale). They swim with their huge mouths open gathering plankton, krill, and small fish in its mouth. The megamouth has a long tail with a longer top caudal fin than the lower. Today that process would take almost a year,[12] and sediment, nutrients, and algae can cause problems in local waters. Filter feeders can be as small as a little mussel or as large as a blue whale. "A Few Good Filter Feeders." Usually when you see something on TV about filter feeders in the ocean, this they seem to focus on whales, especially the big ones like blue whales. The class has 30,000 species, including scallops, clams, oysters and mussels. When hauled up on deck in 1976, this megamouth became the first specimen viewed by people. [14] Nutrient removal by shellfish, which are then harvested from the system, has the potential to help address environmental issues including excess inputs of nutrients (eutrophication), low dissolved oxygen, reduced light availability and impacts on eelgrass, harmful algal blooms, and increases in incidence of paralytic shellfish poisoning (PSP). Henodus was a placodont with unique baleen-like denticles and features of the hyoid and jaw musculature comparable to those of flamingos. Megamouth Shark (Megachasma Pelagios) In 1976, this species was discovered off the coast of Hawaii, where it has been sighted ever since. Inside their mouths are 300-350 tiny teeth and 10 filter pads. A basking shark can filter millions of pounds of water per hour. Humans can eat up to half a ton. The Great White Shark They are among the top predators of the sea, and none prey on them (except Orcas). Being filter feeders mean that whale sharks just open their mouth and swim, allowing everything into their mouth. This page was last modified on 20 July 2022, at 21:23. "What Is Filter Feeding?" They can grow to over 60 feet (18 meters) and weigh over 21 tons, and their diet . Whitetip reef shark 12. Wet + Dry Messes: The powerful suction and hydro mopping pulls in dirt and debris, wet messes, stains and grime to leave a streak-free, clean surface that you can walk on almost immediately . This hulking, little-known filter-feedernot scientifically described until in the 1970shas lately been shown to . Complete the sentence by inferring information about the italicized word from its context. The average whale shark is typically 32 ft. long, and they typically weigh 20,000 lbs. filter feeder noun : an animal (such as a clam or baleen whale) that obtains its food by filtering organic matter or minute organisms from a current of water that passes through some part of its system Example Sentences Other filter-feeding cnidarians include sea pens, sea fans, plumose anemones, and Xenia. Instead of teeth, these whales have baleen, or plates made out of keratin, the same material that makes up our hair and fingernails. Encyclopdia Britannica. Long COVID patients turn to unproven treatments, Why evenings can be harder on people with dementia, This disease often goes under-diagnosedunless youre white, This sacred site could be Georgias first national park, See glow-in-the-dark mushrooms in Brazils other rainforest, 9 things to know about Holi, Indias most colorful festival, Anyone can discover a fossil on this beach. Typically both shells (or valves) are symmetrical along the hinge line. Gotch, A. F. (1995) [1979]. The Megamouth Shark is the smallest of the three filter feeder sharks. This species is an anomalocarid, a group of early marine animals from the Cambrian period (around 485-540 million years ago) that are generally thought to have been apex predatorssitting at the top of the food chain and eating smaller animals. [11] Baleen whales typically eat krill in polar or subpolar waters during summers, but can also take schooling fish, especially in the Northern Hemisphere. Basking Sharks differ from Whale Sharks in their feeding behaviors as well. In particular, it was probably a herbivore, filtering out algae and other small-sized flora from the substrates. It was only relatively recently that scientists became aware of this large shark. But you, as a human, would only want to rely on filter feeding some of the time, right? Yes, the whale shark is a filter feeder. Filter feeders are important components of virtually all aquatic ecosystems. These plates are triangular in section with the largest, inward-facing side bearing fine hairs forming a filtering mat. It is unique in being a large, flightless marine animal, unlike the smaller still volant flamingos and prions. Its open mouth draws water through it and traps small species such as krill, plankton, copepods, jellyfish, and shrimp as a filter feeder. [11] Right whales are slow swimmers with large heads and mouths. Their mouths are lined with hundred of small, nonfunctional teeth in 50 rows. Also, like Great White Sharks, they have gill slits that circle their neck. [21], Prions are specialised petrels with filter-feeding habits. The new year once started in Marchhere's why, Jimmy Carter on the greatest challenges of the 21st century, This ancient Greek warship ruled the Mediterranean, How cosmic rays helped find a tunnel in Egypt's Great Pyramid, Who first rode horses? In Sweden, environmental agencies utilize mussel farming as a management tool in improving water quality conditions, where mussel bioextraction efforts have been evaluated and shown to be a highly effective source of fertilizer and animal feed[16] In the U.S., researchers are investigating potential to model the use of shellfish and seaweed for nutrient mitigation in certain areas of Long Island Sound.[17]. And to feed like whale sharkswith a sharp inhale that sucks in water in the immediate area requires stiff jaw cartilage to quickly open the mouth. How a zoo break-in changed the life of an owl called Flaco, Naked mole rats are fertile until they die, study finds. Filter feeders are a sub-group of suspension feeding animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure. Basking sharks move water through their mouths by slowly swimming forward. This shark species may even be larger than great white sharks. All baleen whales except the gray whale feed near the water surface, rarely diving deeper than 100m (330ft) or for extended periods. Some birds such as flamingos are also filter feeders. Any shark lover knows that not all sharks are fierce predators with a mouth full of teeth. The whale shark feeds by opening its mouth and sucking in water, which then passes through the gills. They are often mistaken for Great White Sharks because of having a similar body shape and fins. This is accomplished through filter feeding, using the krill's developed front legs, providing for a very efficient filtering apparatus:[8] the six thoracopods form a very effective "feeding basket" used to collect phytoplankton from the open water. As opposed to predators who seek out specialized food items, filter feeding is simply opening up your mouth and taking in whatever happens to be there, while filtering out the undesirable parts. A Whale shark has a dot and a stripe pattern. It tends to have a brown, yellow, or green coloration with a unique pattern of O-shaped spots down its backside. It populates the tropical and warm temperate waters worldwide. Aug. 29, 2001. Whale sharks have been observed "coughing" and it is presumed that this is a method of clearing a build up of food particles in the gill rakers. Product Features: 3-In-1 Cleaning : The Shark HydroVac vacuums, mops, and cleans itself at the same time to deep clean hard floors and clean area rugs. However, some sauropsids have been suggested to have engaged in filter feeding. Species like blue and humpback whales engulf their prey in gigantic gulps and then slowly sift the water back out through their baleen. Instead of relying on teeth, megamouths are filter feeders, meaning they sift out small plankton (like krill) from the water. As opposed to predators who seek out specialized food items, filter feeding is simply opening up your mouth and taking in whatever happens to be there, while filtering out the undesirable parts. Why do they do it? But some species, including a few of the biggest fish in the sea, spend their whole lives filter feeding. If an aquatic animal isn't a filter feeder, it has to be a bulk feeder or bottom feeder. This means that it opens its mouth and strains its food through a filtering structure. Thankfully for filter feeders, the oceans are filled with gigatons of plankton at all latitudes. It was 40.3 feet long (12.3 m). an animal that eats both plants and animals, This insectivore has a long tongue and nose, which it uses to lick up ants, An animal that finds already dead animals to eat, This omnivore eats berries in summer and salmon in the fall, Many filter feeders in the ocean eat this, A desert scavenger that can often be seen flying above dead animals, Animals get this from eating other animals, An animal that is hunted by other animals, This insect spreads parasites when it drinks the blood of animals. Basking sharks, another endangered filter feeder that can be mistaken for great whites, are also found off the Florida coast. The prey is then drawn to the body by contracting the fibres in a corkscrew fashion (image taken with an ecoSCOPE). Antarctic krill manages to directly utilize the minute phytoplankton cells, which no other higher animal of krill size can do. Flamingos filter-feed on brine shrimp. Preferring warm waters, whale sharks populate all tropical seas. Some filter feeders are free-swimming organisms who filter the water while swimming or even actively pursue their prey. 10 Facts About Whale Sharks, the Largest Shark Species, The Giant Siphonophore and More of the Largest Living Sea Creatures, Facts About Mysticetes - the Baleen Whales, M.S., Resource Administration and Management, University of New Hampshire, B.S., Natural Resources, Cornell University. Nearly all tunicates are suspension feeders, capturing planktonic particles by filtering sea water through their bodies. For example, oysters draw water in over their gills through the beating of cilia. Filter feeders can help clear water. They are currently listed as a vulnerable species; however, they continue to be hunted in parts of Asia, such as the Philippines. Nutrient bioextraction is "an environmental management strategy by which nutrients are removed from an aquatic ecosystem through the harvest of enhanced biological production, including the aquaculture of suspension-feeding shellfish or algae". Cookies collect information about your preferences and your devices and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. The whale shark is a filter feeder, eating plankton and tiny fish. Bivalve shellfish recycle nutrients that enter waterways from human and agricultural sources. filter feeding, in zoology, a form of food procurement in which food particles or small organisms are randomly strained from water. It consists of a cell completely enveloping another cell and digesting it using a lysosome. Blacktip reef shark 2. This shark is unique because of its high, distinct ridges over its eyes. "Albatrosses, Fulmars, Shearwaters, and Petrels". All baleen whales except the gray whale feed near the water surface, rarely diving deeper than 100m (330ft) or for extended periods. The study also concluded they have soft fins ill-suited for swimming at speeds necessary for trapping krill and restricted gill openings that wouldnt allow enough water to flow out of its mouth while moving. Water is drawn into the body through the inhalant buccal siphon by the action of cilia lining the gill slits. [citation needed]. Filter feeding is a method of aquatic feeding in which the animal takes in many small pieces of prey at one time. She serves as the executive director of the Blue Ocean Society for Marine Conservation. What is the largest animal in the world and it is a filter feeder? The basking shark feeds on zooplankton, small fish, copepods, and invertebrates in the water. Which travel companies promote harmful wildlife activities? Filter feeders engage in one of the four major types of feeding, the others being deposit feeding (eating particles in soil), fluid feeding (as in spiders and hummingbirds), and bulk feeding (as in humans and most other animals). Due to its expansive mouth, the shark was named the megamouth. When they feed, they open their massive mouths and slowly glide through the clouds of plankton as the gill rakers remove the tiny plankton from the water. Megamouth Sharks are incredibly rare. Retrieved from https://www.thoughtco.com/what-is-a-filter-feeder-2291891. [6] Manta rays can time their arrival at the spawning of large shoals of fish and feed on the free-floating eggs and sperm. [23], Boreopterids are thought to have relied on a kind of rudimentary filter feeding, using their long, slender teeth to trap small fish, though probably lacking the pumping mechanism of Pterodaustro. The Basking Shark is a large, slow-moving fish that is found in temperate and tropical waters all over the world. For example, oysters are important in filtering the water of the Chesapeake Bay. [citation needed], Tunicates, such as ascidians, salps and sea squirts, are chordates which form a sister group to the vertebrates. A whale shark is a type of shark and is the largest fish in the world. Combined with its lacustrine environment, it might have occupied a similar ecological niche. [6] Unlike the megamouth and whale sharks, the basking shark does not appear to actively seek its quarry; but it does possess large olfactory bulbs that may guide it in the right direction. The process is fascinating, but they just look odd to me. Adult menhaden can filter up to four gallons of water a minute and play an important role in clarifying ocean water. 2008. 2001. Most bivalves are filter feeders (although some have taken up scavenging and predation), extracting organic matter from the sea in which they live. Follow us on Instagram at @natgeoyourshot or visit us at natgeo.com/yourshot for the latest submissions and news about the community. Their name comes from their saw-like jaw edges, used to scope out small planktionic animals.[22]. To catch prey, they widely open their lower jaw almost 90 swim through a swarm gulping, while lowering their tongue so that the head's ventral grooves expand and vastly increase the amount of water taken in. Some filter feeders, like certain whales, may feed on other filter feeders. However, only Pterodaustro showcases a proper pumping mechanism, having up-turned jaws and powerful jaw and tongue musculature. Basking sharks and whale sharks feed by swimming through the water with their mouths open. Baleen whales get their name from that equipment. Dissolved gases are brought to cells and enter the cells via simple diffusion. Filter feeders range from small sponges to baleen whales. In 1976, an odd-looking creature became entangled with a Navy research vessels anchor off the coast of Hawaii. passionate about stem cell research, regenerative medicine, and life extension therapies. The sponge expels the water through an opening known as the oscula. . To understand megamouth feeding may require looking beyond sharks to another large finned creaturebaleen whales. Great white sharks will also eat fishes and occasionally sea turtles. Basking Sharks have a larger range than Whale Sharks. However, scientists believe that the Megamouth Shark may also feed by suction like the Whale Shark, but this has yet to be observed in the wild. Nephridia, the shell fish version of kidneys, remove the waste material. This fine sieve-like apparatus, which is a unique modification of the gill rakers, prevents the passage of anything but fluid out through the gills (anything above 2 to 3mm in diameter is trapped). Boreopterids are thought to have relied on a kind of rudimentary filter feeding, using their long, slender teeth to trap small fish, though probably lacking the pumping mechanism of Pterodaustro. Krill also makes up 94 percent of the diet of the filter-feeding crabeater seal [source: Croll and Tershy]. Bivalve shellfish recycle nutrients that enter waterways from human and agricultural sources. 2. Greenland Shark. Latin Names Explained A Guide to the Scientific Classifications of Reptiles, Birds & Mammals. Great whites are the type of shark that everyone thinks about whenever they hear the word shark, and they are often thought of as man eating monsters due to films. Some animals that do this are clams, krill, sponges, baleen whales and many fish such as sharks. The whale shark, like the world's second largest fish, the basking shark, is a filter feeder. The whale shark's flattened head sports a blunt snout above its mouth with short barbels protruding from its nostrils. The coral spawning of the area's Ningaloo Reef provides the whale shark with an abundant supply of plankton. What is the largest type of shark in the world? Today that process would take almost a year, and sediment, nutrients, and algae can cause problems in local waters. Tiger shark 3. This filter feeding shark isnt even well known among marine biologists. Other ctenochasmatoids lack these, and are now instead thought to have been spoonbill-like catchers, using their specialised teeth simply to offer a larger surface area. In bivalves such as the clam, the gills, larger than necessary for respiration, also function to strain . Filter feeders like mussels and oysters filter small particles and even toxins out of the water and improve water clarity. Basking sharks love zooplankton. Filter feeding is a method of aquatic feeding in which the animal takes in many small pieces of prey at one time. Other ctenochasmatoids lack these, and are now instead thought to have been spoonbill-like catchers, using their specialised teeth simply to offer a larger surface area. Megamouth Sharks tend to follow the vertical migration patterns of plankton. Engineer Graham Wilhelm joined National Geographic Emerging Explorer Brad Norman on an expedition to Ningaloo Reef, Australias longest fringing reef. Basking Sharks grow up to 26 feet in length and weigh up to 5 tons. On the sides of their heads, just behind their mouths they have two small eyes and two spiracles, small gill slits used to breath. Most species of barnacles are filter feeders, using their highly modified legs to sift plankton from the water. Oysters in the bay have declined due to overfishing and habitat destruction, so now it takes about one year for oysters to filter the water when it used to take about a week. Tellingly, these teeth, while small and numerous, are comparatively unspecialised to the baleen-like teeth of Pterodaustro. For now, the life of the megamouth remains a mystery. It is estimated that water enters through more than 80,000 incurrent canals at a speed of 6cm per minute. "What Is a Filter Feeder?" Bivalves are also largely used as bioindicators to monitor the health of an aquatic environment, either fresh- or seawater. Michael is a longtime AllTheScience contributor who specializes in topics relating to paleontology, Firefly Books. Feeding mechanisms in Triassic stem-group sauropterygians: the anatomy of a successful invasion of Mesozoic seas Zoological Journal of the Linnean Society, 135, 33-63, "Net Losses: Declaring War on the Menhaden", "The Massive Filter Feeding Shark You Ought to Know | Smithsonian Ocean", Alfred Wegener Institute for Polar and Marine Research, "Feeding Behavior of the Porcellanid Crab Allopetrolisthes Spinifrons, Symbiont of the Sea Anemone Phymactis Papillosa", "Applying the System Wide Eutrophication Model (SWEM) for a Preliminary Quantitative Evaluation of Biomass Harvesting as a Nutrient Control Strategy for Long Island Sound", "The earliest herbivorous marine reptile and its remarkable jaw apparatus", "Plesiosaur Machinations XI: Imitation Crab Meat Conveyor Belt and the Filter Feeding Plesiosaur", "A Revised Classification of Suspension Feeders", Tradeoffs for locomotion in air and water, https://en.wikipedia.org/w/index.php?title=Filter_feeder&oldid=1137284602, Short description is different from Wikidata, Articles with unsourced statements from June 2016, Creative Commons Attribution-ShareAlike License 3.0, Some aspects of water filtering activity of filter-feeders // Hydrobiologia. On this Wikipedia the language links are at the top of the page across from the article title. For example, whale sharks and baleen whales are both filter feeders. The whale shark is an elusive, harmless, and gentle filter feeder. VISION The structure of shark eyes is remarkably similarly to our own. (May 5, 2008)http://montereybay.noaa.gov/research/techreports/ucsc/crolltershytr.pdf, "Feeding Behavior." While specimens average 23-28 feet (7-8.5 m) in length, some basking sharks can grow up to 30-36 feet (9-11 m). Kennedy, Jennifer. Filter feeders are animals that get their food by moving water through a structure that acts as a sieve. Whale sharks are known as "filter feeders." Filter feeders make up a large portion of the ocean's creatures and include things like sponges, clams, and baleen whales. Examples of these filter feeders are basking sharks, whale sharks, and baleen whales. Great White shark 8. A megamouth shark swims just beneath the ocean surface. Baleen whales typically seek out a concentration of zooplankton, swim through it, either open-mouthed or gulping, and filter the prey from the water using their baleens. Scientific Name: Rhincodon typus. The type and anatomy of the sieve mechanism vary from species to . A sponge is a filter feeder that feeds on small particles in the water. For example, the Atlantic menhaden, a type of herring, lives on plankton caught in midwater. Most bivalves are filter feeders (although some have taken up scavenging and predation), extracting organic matter from the sea in which they live. We now know that the goofy appearance is partly due to how the shark feeds. The prey is then drawn to the body by contracting the fibres in a corkscrew fashion (image taken with an ecoSCOPE). Their baleen plates are narrow and very long up to 4m (13ft) in bowheads and accommodated inside the enlarged lower lip which fits onto the bowed upper jaw. Most forage fish are filter feeders. An undulating live Aurelia in the Baltic Sea showing the grid in action. Water enters the sponge through a pore called the ostra. As the jellyfishes tentacles contain stinging cells, they paralyze small prey on contact. One of the longest whale sharks ever discovered was around 62 feet in length. mussels, oysters, scallops), and sponges. Baleen whales typically eat krill in polar or subpolar waters during summers, but can also take schooling fish, especially in the Northern Hemisphere. TAXONOMY. Because a blue whale is the largest living animal, maybe even the largest animal that has ever lived, and it eats other animals for food using filter feeding, the blue whale is considered the largest living omnivore. They are active filter feeders which means they either suction water into their mouths or they ram feed which means they swim forward forcing the water and food into their mouths. Sponges are inanimate, but they have a water current system made of canals and chambers that allows them to pump in water, filter the food and eat quite a lot. Methuselah Foundation, the Singularity Institute for Artificial Intelligence, and the Lifeboat Foundation. Filter feeding is a popular feeding mode among aquatic organisms because it requires little active effort: just float around and let the food particles come to you. A filter feeder uses some mechanism, like a filter basket, or baleen (as in baleen and blue whales) to gather aquatic prey, usually plankton (a blanket term for small aquatic animals and plants) and siphon it to their mouths for consumption and digestion. With a wide, gaping mouth, prominent eyes, and tadpole-like body shape, this goofy looking catch baffled the crew, since its appearance was very different from the typical shark. Megamouth sharks have protruding mouths that grow to an average of 4.3 feet wide. Contents Fish Crustaceans Baleen whales Bivalves Sponges Cnidarians Flamingos Porcelain crab species have feeding appendages covered with setae to filter food particles from the flowing water. Blue shark 7. Filter feeder. The 'extreme cruelty' around the global trade in frog legs, What does cancer smell like? Some creatures don't have to go anywhere at all to filter feed, though. Whale sharks are a type of carpet shark which are named so due to their carpet-like patterning. "The Encyclopedia of Sharks." Examples of these filter feeders are basking sharks, whale sharks, and baleen whales. Subscribe to our newsletter and learn something new every day. In this case, that includes comparing the anatomy of the available specimens to the anatomy of other filter feeders. Not according to biology or history. Leuconia, for example, is a small leuconoid sponge about 10cm tall and 1cm in diameter. If this sounds appealing to you, then you might relate to filter feeders. [25][26] In particular, it was probably a herbivore, filtering out algae and other small-sized flora from the substrates. Bivalve are also largely used as bioindicators to monitor the health of an aquatic environment, either fresh- or seawater. Next we'll filter out just what's going on with these creatures. Another of the ocean's giant filter-feeders, the megamouth shark reaches lengths of between 13 to 16 feet. Most are very small and eat crabs and similar crustaceans on the bottom of the sea, or filter plankton through their gills. In essence, their foraging mechanism was similar to that of modern young Platanista "dolphins". The spotted wobbegong is a type of carpet shark that lives in the waters around southern Australia. They tend to feed near the surface and often by the mouths of rivers, and will eat continuously around the clock. Encyclopdia Britannica. They are an important food source for herring, cod, flounder, and striped bass. However, only Pterodaustro showcases a proper pumping mechanism, having up-turned jaws and powerful jaw and tongue musculature. [10], The baleen whales (Mysticeti), one of two suborders of the Cetacea (whales, dolphins, and porpoises), are characterized by having baleen plates for filtering food from water, rather than teeth. The first known filter feeder is a large shrimp-like creature called Tamisiocaris borealis. You May Also Like: Explore These 25 Different Types of Sharks with Photos, Cute Infographic, Facts, and more! Types of Shark Species Off the Peruvian Coast. 1. Description of the Whale Shark. The largest fish in the world is the graceful, harmless whale shark. Great white sharks like fatty meals and will, therefore, consume sea lions or a seal. Felix @Weeeee: , Whale Sharks have never , ever mistaken humans for prey. The mouth of the Megamouth Shark is uniquely designed to attract unsuspecting prey. 2008. Baleen whales also consume krill, which are tiny shrimp-like creatures. The largest whale shark ever recorded was just over 41 ft. long. While other sharks may not feed in a comparable way, that does not mean it is completely novel in the marine world. To obtain enough food, a typical tunicate needs to process about one body-volume of water per second. Chesapeake Quarterly Online. As the largest fish in the sea, reaching lengths of 40 feet or more, whale sharks have an enormous menu from which to choose. THIS CONTENT IS PROVIDED AS IS AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.. All rights reserved. This is accomplished using cilia, which are thin filaments that beat to produce a current over water over the gills. Examples of sessile filter feeders are tunicates (sea squirts), bivalves (e.g. 19 May 2008. Despite their size Whale Sharks pose no threat to humans and are a very docile fish, quite unlike the Great White. Encyclopedia of Marine Mammals. Their baleen plates are narrow and very long up to 4m (13ft) in bowheads and accommodated inside the enlarged lower lip which fits onto the bowed upper jaw. (May 5, 2008)http://www.elasmo-research.org/education/topics/d_filter_feeding.htm, Parker. 59. Have you ever been so lazy that you didn't want to get up off the couch for a snack? Basking Sharks are passive feeders, meaning they take in water as they swim.