This is a list of recognized content, updated weekly by JL-Bot (talk·contribs) (typically on Saturdays). There is no need to edit the list yourself. If an article is missing from the list, make sure it is tagged (e.g. ((WikiProject Marine life))) or categorized correctly and wait for the next update. See WP:RECOG for configuration options.
... that fragments of the coral Acropora grandis(pictured with hawkfish) have been successfully transplanted to a nursery bed and used to regenerate a damaged coral reef? (2013-04-02)
... that the Indian Ocean coral Acropora rudis is "endangered" by habitat destruction and its susceptibility to coral bleaching, disease and ocean acidification? (2017-07-21)
... that populations of Actinoporus elegans were thought to be restricted to the western Atlantic until they were collected at the east Atlantic islands of São Tomé and Príncipe in 2004? (2010-06-20)
... that the sea cucumber Actinopyga agassizii has five teeth surrounding its anus? (2020-03-18)
... that the hairy sea cucumber has long tube feet on its dorsal surface, giving it a furry appearance? (2020-02-13)
... that the brownfish is harvested commercially over most of its range despite being described by the IUCN as a vulnerable species? (2018-12-05)
... that despite living in complete darkness at bathyal depths, the sea anemone Allantactis parasitica synchronises its breeding activity with the phases of the moon? (2017-08-01)
... that the burrowing brittle star submerges itself in mud and raises its arms to feed? (2019-03-23)
... that all Barrier Reef Anemonefish are born sexless and develop into males, and only become females if they rise to the top of the hierarchy? (2007-01-16)
... that the forward-facing incisors of the extinct dolphin Ankylorhiza(restoration pictured) may have been used for ram feeding, similar to a hunting method used by modern orcas? (2020-08-16)
... that the glaucus pimplet can be distinguished from the closely related red speckled anemone by the sediment that sticks to its column? (2015-02-20)
... that in China, the aquaculture of sea cucumbers(sea cucumber pictured) takes place together with the aquaculture of prawns, so the sea cucumbers can feed on the waste from the prawns? (2011-10-09)
... that a male and female pair of sand stars, Archaster typicus, engage in pseudocopulation so that when they spawn, some two months later, they will do so simultaneously? (2012-04-18)
... that the scale worm Arctonoe vittata protects the keyhole limpet(shell pictured) with which it lives by attacking predatory starfish? (2017-09-22)
... that despite being structurally weakened, it may be beneficial to the porous star coral when the bivalve Lithophaga simplex bores into it? (2018-10-24)
... that in 1989, the colonial coral Astroides calycularis expanded its range to the Adriatic Sea after previously being restricted to an area west of Sicily? (2015-01-11)
... that the giant basket star(pictured) climbs to an elevated position and spreads its arms to "fish"? (2015-09-25)
... that the colonial bryozoan Beania magellanica, widely distributed in the Southern Hemisphere, has recently turned up in the Mediterranean Sea? (2020-12-29)
... that the comb jellyBeroe ovata can consume four times its body weight in a day? (2015-03-21)
... that the internal shell of the sea slug Berthella stellata is visible through its translucent mantle? (2020-12-10)
... that acid secretions produced by the orange gumdrop sea slug (examples pictured) provide defence against predators such as sea anemones, fish, and crustaceans? (2020-12-11)
... that the sea slug Berthellina edwardsii secretes a white acidic fluid that is distasteful to fish? (2021-11-15)
... that predatory fish sometimes associate with the grass octopus, snapping up organisms that it flushes from among the branches of corals? (2014-07-29)
... that in the Mediterranean Sea, recruitment of the bryozoan Callopora lineata takes place in February and March, whereas in the Isle of Man, it takes place all year round? (2021-01-06)
... that Calma glaucoides has such a rich diet of eggs that it does not need an anus? (2019-06-05)
... that the diet of the skeleton shrimp Caprella equilibra consists mainly of detritus, but it also feeds on the hydroids to which it clings? (2018-08-27)
... that the skeleton shrimp Caprella penantis may take on some of the coloration of whatever it is feeding on? (2018-09-09)
... that the fish Carapus acus lives in association with a sea cucumber, such as Parastichopus regalis, spending the day inside its host and emerging at night to feed? (2021-04-29)
... that in 1980, a ribbon worm was implicated in the collapse of the Dungeness crab fishery in central California? (2019-03-24)
... that the nudibranch Tritoniopsis elegans(pictured) is one of only three predators known to feed on the invasive snowflake coral? (2015-04-13)
... that the fat sea biscuit covers its test during the day with pieces of plant and fragments of shell, holding them in place with its tube feet? (2018-06-08)
... that if an arm of a feather star(pictured) breaks off, then at least two will grow to replace it? (2012-08-08)
... that the common starfish can detect the odour of the predatory common sunstar and take evasive action? (2013-10-09)
... that the goose barnacle Conchoderma virgatum rarely attaches directly to a fish, but four were once found attached to a single spine of a porcupinefish? (2018-08-22)
... that larvae of the orange-tipped sea squirt are brooded, and settle on the seabed close to the parent within minutes of being released? (2017-10-08)
... that as the colonial bryozoan Cryptosula pallasiana travels to new places, it takes its sea slugs with it? (2016-03-16)
... that the brain coral Ctenella chagius(pictured) lives far from the rest of its family? (2012-11-24)
... that juvenile cushion stars look so different from their seniors that they were thought to belong to a species in a different biological family? (2012-02-01)
... that if the disc coral Cycloseris cyclolites gets buried in sediment, it can "float" itself free? (2019-06-15)
... that the free-living, solitary coral Cycloseris distorta(pictured) can subdivide its stony skeleton and form two new individuals? (2019-07-03)
... that little Neptune grass(pictured) forms meadows on the seabed and can be used to measure the movement of underwater dunes? (2011-08-26)
... that the solitary cup coral can double its diameter by drawing water into its mantle? (2013-06-12)
... that the deep sea, solitary Dactylotrochus cervicornis(pictured) is now included in a family of otherwise shallow-water, colonial corals? (2015-07-15)
... that spines of the long-spined sea urchin can break off in the skin and cause a painful sting? (2013-06-15)
... that the long-spined sea urchin(pictured) reacts to a shadow falling on it by angling its spines towards the possible predator? (2013-11-26)
... that the sea anemone Diadumene cincta reproduces by basal laceration, with pieces of tissue becoming detached from the base and developing into new individuals? (2018-09-04)
... that in the 1970s, spoon worms(example pictured) helped promote biodiversity around the effluent outlets from the Los Angeles sewage system? (2019-04-20)
... that around the shores of Long Island, the ghost anemone can cause "clam diggers' itch", while the lined anemone is responsible for "seabather's eruption"? (2017-08-05)
... that male bryozoansElectra pilosa liberate sperm into the sea and females may actively collect this? (2014-12-23)
... that the life cycle of the Neptune-grass bryozoan is synchronized with the growth cycle of the seagrass on which it lives and the availability of the phytoplankton on which it feeds? (2020-12-27)
... that the sea slug Elysia timida(example pictured) absorbs its colouration from its algae-based diet? (2022-03-02)
... that although the Pacific sand crab can only crawl and burrow backwards (pictured), it can also tread water? (2011-08-04)
... that before modern paleontology came about, fossils of Encrinus went by a number of names in Germany, including "sun wheels", "Saint Boniface's pennies", and "witches' money"? (2012-03-28)
... that the parasite Enteromyxum scophthalmi causes a severe illness in farmed turbot for which no cure is known? (2019-09-12)
... that Eoseira wilsonii "slime" likely helped in fossil preservation? (2022-05-03)
... that the ten-lined urchin was one of several species used in research to determine the feasibility of using non-invasive MRI technology to study the internal anatomy of echinoids? (2013-04-17)
... that the green worm Eulalia viridis does not breed until it is at least two years old? (2017-08-26)
... that the tubeworm Eunice norvegica often grows in association with a deep water coral? (2017-07-29)
... that living glass anemones can be dissected in the laboratory and then put back in an aquarium, where they will heal? (2017-07-14)
... that the prehistoric marine reptile Excalibosaurus(pictured) was named after King Arthur's sword because of the sword-like appearance of its upper jaw? (2007-07-06)
... that the jellyfishHaliclystus auricula acquired the common name "Kaleidoscope" from a naming contest held in Britain? (2010-08-27)
... that when watercress algae grows on degraded coral reefs, coral larvae settle on the seaweed as readily as they do on the rubble substrate? (2021-11-18)
... that the coral Heliofungia actiniformis(pictured) is only attached to the seabed as a juvenile? (2015-08-11)
... that 40 or more fish leeches of the species Hemibdella soleae may be found attached to one common sole? (2018-05-11)
... that larvae of the sea urchin Hemicentrotus pulcherrimus are stimulated to settle on the seabed when they detect traces of certain algae in the water? (2018-04-29)
... that when the sea cucumber Holothuria hilla reproduces by fission, the regenerated part is often paler in colour than the original one? (2020-09-02, 2021-09-02)
... that the Antarctic spongeHomaxinella balfourensis prevents ice crystals from forming in its cells by the use of peptides with antifreeze properties? (2012-03-08)
... that blister coral was not recognised as a new species until 1971? (2017-10-19)
... that larvae of the tube worm Hydroides ezoensis prefer to settle on a substrate already inhabited by other worms of their own species? (2020-03-13)
... that a 10 cm3 (0.6 cu in) sponge Hymeniacidon kitchingi can filter 22.5 L (5 imp gal; 6 U.S. gal) of water per day? (2020-09-17)
... that the starfishIconaster longimanus produces large eggs which develop directly into juveniles without an intervening larval stage? (2013-05-19)
... that Idas simpsoni lives on weathered whale skulls? (2019-03-02)
... that the giant spoon worm Ikeda taenioides survived a tsunami that devastated other members of the seabed community? (2019-03-26)
... that the light-dependent sinuous cactus coral(pictured) is an aggressive species that attacks neighbouring corals to keep from being over-shadowed? (2013-02-27)
... that if unfavorable water conditions cause the coral species Acropora palifera to become dissociated from its algal symbionts, it will undergo bleaching and be prone to disease and death? (2013-03-20)
... that the bioluminescent scales of the worm Lepidonotus squamatus adhere to any predator that feeds on it, making the attacker more visible to its own predators? (2018-09-12)
... that life exists in every part of the biosphere, from the deepest parts of the ocean (bacterium pictured) to altitudes of up to 40 miles (64 km) in the atmosphere? (2023-11-05)
... that the spotted Linckia(pictured) frequently reproduces by self amputating an arm, which then grows into a new individual? (2011-10-02)
... that the banded nemertean ribbon worm readily breaks into pieces, each of which can regenerate into a new individual within four weeks? (2017-10-18)
... that the sand star can move across the seabed at the fast speed of 280 centimetres (9.2 ft) per minute? (2012-10-02)
... that the starfish Luidia maculata eats its prey whole, and often leaves behind inedible fragments in the hollow in which it was lying? (2021-11-23)
... that in the kelp forests off the coast of Chile, sea urchins graze on the kelp, and starfish prey on the sea urchins? (2018-07-21)
... that the shrimp Lysmata grabhami waves its white antennae to attract clients? (2017-02-27)
... that aggregations of painted urchin have been recorded with a density of 80 individuals per square metre? (2018-10-22)
... that the green sea urchin(pictured) shades itself from the sun with bits of vegetation and shell but the jewel sea urchin prefers to hide in crevices during the day? (2012-09-18)
... that in 2015, the soft coral Maasella edwardsi was reported in the Aegean Sea for the first time? (2015-07-09)
... that giant kelp(pictured) can grow as much as two feet per day, making it the fastest-growing organism on Earth? (2009-07-16)
... that since the Konin Lakes became hotter, non-native species which have become established there include one species of flatworm, three of bryozoa, three of crustacean, seven of mollusca, and at least six species of fish? (2018-12-15)
... that in the Caribbean, a small octopusmimics the bursts of swimming activity of the plate fish? (2014-06-07)
... that rose coral(skeleton pictured), a member of the Mussidae family, can right itself if it gets turned over? (2017-09-17)
... that both maze coral(pictured) and rose coral have a form that is unattached to the seabed and that rose coral can right itself if it gets overturned? (2012-11-22)
... that the foraminiferan Marginopora vertebralis releases its embryos by means of a surprisingly complex behaviour for a single-celled organism? (2021-08-25)
... that the mitochondrial DNA molecules of Medusozoa are linear rather than circular as in almost all other animals? (2018-10-09)
... that the titan acorn barnacle is extending its range in the eastern United States but suffered a setback in the cold winter of 2009–10? (2012-11-02)
... that Coleman's Melibe is said to look like a "string of snot in the water"? (2022-02-06)
... that if the sea ginger coral (pictured) detects a sea fan growing nearby, it will send out "attack" branches to eventually smother it? (2012-01-11)
... that blade fire coral is one of the first coral species to recolonise damaged reefs? (2015-07-26)
... that the peanut worm Nephasoma minutum has been referred to as a "taxonomic wastebasket"? (2018-07-30)
... that the deepwater crinoid Notocrinus virilis broods its young in pouches on its arms? (2019-05-16)
... that the deepsea starfish Novodinia antillensis has large eyespots on the tips of its arms, but these may be non-functional? (2018-03-10)
... that the northern striped dogwinkle lays around 550 eggs in a capsule, most of which are eaten by the 10 to 20 juveniles that eventually hatch? (2018-11-13)
... that the burrow of the spoon worm Ochetostoma erythrogrammon may be shared by flatworms, scale worms, molluscs, pea crabs, snapping shrimps, and copepods? (2019-03-11)
... that small female Patagonian octopuses often choose an empty mollusc shell to lay their eggs in? (2018-11-02)
... that shortly after the full moon and precisely 55 minutes after sunset, the female Bermuda fireworm rises to the sea surface and produces a bioluminescent display? (2016-01-14)
... that the fireworm Odontosyllis phosphorea lives unobtrusively on the seabed but rises to the surface and produces a sparkling display when it breeds? (2016-01-15)
... that the black brittle star(pictured) and its associate the common brittle star may form beds on the sea floor extending hundreds of square metres and consisting of millions of individuals? (2011-09-07)
... that it appears that larvae of Osedax frankpressi that settle on a whale carcase develop into female worms, while those that settle on the female worms become males? (2017-12-02)
... that the deep sea wormOsedax japonicus relies on the skeleton of a dead whale for sustenance? (2014-03-02)
... that despite being a crustacean, a parasitic copepod found on a flying fish was described as a "gill-worm" by Hans Severin Holten, the Danish naturalist who discovered it? (2018-08-10)
... that if the sun anemone shrimp is separated from its host for 24 hours, it loses its immunity to the sea anemone's stinging cells? (2017-03-04)
... that a flattop crab, when trying to escape from a predator, can cast off limbs as a diversion, with the claws of a cast limb still gripping vigorously after separation? (2011-08-12)
... that the underwater glue secreted by the sandcastle worm(pictured) is being investigated for potential medical applications, including holding bone fragments together? (2009-11-07)
... that when specimens of Platygyra contorta coral were studied in 1977, they were identified as examples of P. rustica? (2015-12-06)
... that the spawning period of the coral Platygyra lamellina is regulated by the phases of the moon? (2015-07-20)
... that the sea snake barnacle is short-lived because it does not usually survive when its host sheds its skin? (2017-02-26)
... that the sea gooseberry Pleurobrachia pileus has fishing tentacles up to twenty times its body length? (2015-03-24)
... that the black sea rod coral contains large quantities of a lipid, prostaglandin A, which deters predatory fish from feeding on it by making them vomit? (2012-04-18)
... that the giant slit-pore sea rod can grow to more than a metre (yard) tall? (2012-12-28)
... that the polychaete worm Poecilochaetus serpens digs a burrow with its head and lines it with particles of clay or mud cemented with mucus? (2019-04-07)
... that the tunicate Polycarpa fibrosa lives buried in sand or gravel with just its siphons protruding? (2015-01-25)
... that the coral Polycyathus muellerae is part of an assemblage of organisms that grow in caves? (2016-02-09)
... that a marine organism described in 1971 as a new species of gastrotrich was later identified as the larva of a bristleworm, probably Polydora ciliata? (2017-08-24)
... that although the two sponges look similar, sediment rarely settles on the surface of Polymastia boletiformis(example pictured), whereas Polymastia penicillus often appears dirty? (2021-06-10)
... that with a stretched length of up to 20 cm (8 in), Pontobdella muricata is one of the largest marine leeches? (2020-01-28)
... that colonies of lobe coral(pictured) are sometimes broken into fragments by the feeding activity of stone triggerfish? (2011-12-28)
... that "microatolls" of the coral Porites lutea have been used to study past changes in sea level? (2020-10-15)
... that the sea urchin Pourtalesia miranda and the Venus flytrap sea anemone dominate the seabed community at a depth of 2,000 m (6,600 ft) off the coast of West Africa? (2021-07-30)
... that a species in the genus of sponges Pseudoceratina produces a chemical that can help prevent migration of metastatic breast cancer cells? (2022-04-21)
... that the slipper sea cucumber is avoided by most predatory fish, crabs, and gastropod molluscs, but is preyed on by starfish, especially the leather star? (2017-11-13)
... that the wrinkled starbroods some of its eggs in a brood chamber? (2013-05-29)
... that a study showed that cultivating the Atlantic winged oyster off the coast of Venezuela was not commercially viable? (2012-08-31)
... that Relicanthus daphneae, originally thought to be one of the sea anemones, is so distinct from them that it belongs in a new order of its own? (2014-05-18)
... that the sculpture Reverence which depicts two whale tails, is not on permanent display near the ocean but on a grassy knoll in an open green field? (2006-11-01)
... that the featherduster worm Sabellastarte spectabilis sometimes grows in crevices in cauliflower coral from which a crown of branched tentacles form a plume? (2011-06-26)
... that the acorn worm Saccoglossus bromophenolosus is named after a chemical found in its tissues? (2017-09-25)
... that the crab hacker barnacle is a parasite of crabs and manipulates its host into caring for its eggs? (2018-02-10)
... that at the base of each tentacle of the sea anemone Sagartia troglodytes, there is a distinctive black mark shaped like a capital letter "B"? (2011-09-11)
... that the tube worm Salmacina dysteri grows on harbour installations, on the hulls of ships and at depths of 600 m (2,000 ft)? (2016-04-03)
... that SeaLifeBase is an online database, modelled on FishBase, that attempts to provide key information on all marine species apart from finfish? (2011-08-01)
... that female seaweed blennies deposit their eggs in a shared nest where the male fish guards them until they hatch? (2015-01-18)
... that the thin birdsnest coral can reproduce by "polyp bail-out"? (2015-05-10)
... that the blood of Serpula tubeworms (pictured) appears green when deoxygenated, though it is light red when oxygenated? (2010-05-04)
... that larvae of the red tube worm do not settle on bull kelp, probably because that seaweed inflates its float chambers with carbon monoxide? (2019-02-25)
... that reefs formed by the developing plume worm(pictured) are sometimes broken apart by the activity of the red boring sponge? (2011-11-19)
... that the male sheepshead minnow becomes much more colorful in the breeding season? (2014-02-22)
... that among the thousands of shrimp and prawn species are mantis shrimps(pictured) which can knock their prey out with powerful punches? (2012-09-01)
... that in the starlet sea anemone, genes involved in the formation of the column base are identical to those responsible for the development of the head in vertebrates? (2014-01-23)
... that increased breeding of the threadsail filefish(pictured) to enhance the stock has caused genetic differentiation between its hatchery and ocean populations? (2012-01-12)
... that "starfish soup" made from Stichaster striatus is said to have been fed to workers in South America to discourage alcohol consumption? (2018-06-26)
... that historically, curryfish(example pictured) was not commercially harvested because it disintegrated too easily when handled? (2018-12-23)
... that the swellshark bends its body in a U-shape and sucks in water to double in size and avoid attacks from predators? (2009-06-21)
... that when breeding, the polychaete worm Syllis prolifera produces a detachable "stolon" which joins other stolons to swarm in the water column? (2017-10-29)
... that stings from Tamoya ohboya, named for the exclamation "oh boy", cause severe pain and skin damage? (2013-01-28)
... that the copepodTemora longicornis makes daily vertical migrations, spending the day near the seabed and the night near the surface? (2018-05-04)
... that Terpios hoshinota, a sponge that overgrows and kills corals, has spread extensively since being detected in Guam in 1973? (2020-10-30)
... that Tetragonoporus calyptocephalus, a tapeworm that parasitizes whales, can grow to almost 40 m (130 ft) in length and produce billions of eggs during its lifetime? (2018-06-04)
... that the Atlantic cranch squid(pictured) has been nicknamed "Eddie McBlobbles" for its defensive behavior of inflating itself into a ball with its head and tail inside out? (2012-03-21)
... that the peanut worm Themiste cymodoceae can survive without oxygen for several days? (2019-03-16)
... that the peanut worm Themiste hennahi is a "tentacle breather"? (2019-03-25)
... that the marine worm Themiste pyroides is unusual in that it forms swarms when breeding? (2019-06-19)
... that the starfish Thromidia catalai(pictured) can weigh as much as 6 kilograms (13 lb)? (2021-12-01)
... that the sea slug Thuridilla vataae collects and stores its worn-out teeth in a sac in its mouth? (2021-12-02)
... that all that can be seen of Thyone roscovita is often a plume of branching tentacles? (2020-10-05)
... that Thyonicola dogieli, a parasite of sea cucumbers, is the longest snail in the world? (2018-01-31)
... that some species of starfish that live in tide pools have the ability to regenerate lost arms and can regrow entire new arms in time? (2008-10-24)
... that the chitonTonicella marmorea was first described from Greenland by the Danish naturalist Otto Fabricius, who spent five years as a missionary in the country? (2020-09-28)
... that the black swan leech attaches itself to the skin or eye of a fish before working its way to the gill chamber? (2021-01-27)
... that Trachysalambria curvirostris, one of the most important species of fished prawns, is abundant around Australia but is considered too small to be commercial there? (2012-05-06)
... that the innkeeper worm catches its food with a net and then swallows the net? (2019-02-27)
... that young painted greenlings rest among the tentacles of the strawberry anemone(pictured) and there find protection from predators? (2011-11-15)
... that the diet of the sea anemone Urticinopsis antarctica includes sea urchins, starfish, sea cucumbers, brittle stars, crinoids, gastropods, bivalve molluscs, and small fish? (2017-02-24)
... that the bryozoan Walkeria tuberosa is sometimes referred to as Valkeria tuberosa despite being named after the Scottish natural historian John Walker? (2021-12-08)
... that the colonial bryozoan Walkeria uva is sometimes only detectable by accident? (2021-12-12)
... that a walrus was given his own pontoon in St Mary's Harbour to try and stop him from damaging other boats in the harbour? (2022-04-26)