Calyptraeotheres Garthi
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Calyptraeotheres Garthi
''Calyptraeotheres garthi'' is a species of pea crab in the family Pinnotheridae. It is found in the southwestern Atlantic Ocean and is a parasitic castrator of the slipper limpet ''Crepidula cachimilla''. Taxonomy When Jorge L. Fenucci originally encountered ''C. garthi'', he first mistook it for the related (then placed in ''Pinnotheres''). A few years later, he described the species under '' Pinnotheres'' as ''P. garthi'' (not "Fabia garthi", as cited in WoRMS). When Ernesto Campos described his new genus '' Calyptraeotheres'' for a species then still placed in '' Fabia'', he noted that both ''P. politus'' (i.e. ) and ''P. garthi'' were also likely to belong to his new genus. He effected the transfer of these species in 1999. Description The female ''Calyptraeotheres garthi'' exhibits certain adaptations that are probably associated with its parasitic way of life. The invasive stage has a compact body shape, a hard carapace and large setae (bristles) on its swimming legs. At ...
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Pinnotheridae
The Pinnotheridae are a family of tiny soft-bodied crabs that live commensally in the mantles of certain bivalve molluscs (and the occasional large gastropod mollusc species in genera such as ''Strombus'' and ''Haliotis''). '' Tunicotheres moseri'' is commensal with a tunicate. The earliest fossils attributable to the Pinnotheridae date from the Danian. Genera and species This is a comprehensive list of species in the family, as of 2008: ;''Abyssotheres'' ;'' Afropinnotheres'' ;'' Alarconia'' ;'' Alain'' *''Alain crosnieri'' *''Alain raymondi'' Ahyong & Ng, 2008 ;''Alainotheres'' ;'' Arcotheres'' *'' Arcotheres alcocki'' *'' Arcotheres arcophilus'' *'' Arcotheres coarctatus'' *'' Arcotheres exiguus'' *'' Arcotheres guinotae'' *'' Arcotheres latifrons'' *'' Arcotheres latus'' *'' Arcotheres modiolicola'' *'' Arcotheres nudifrons'' *'' Arcotheres palaensis'' *'' Arcotheres pernicola'' *'' Arcotheres placunae'' *'' Arcotheres rayi'' *'' Arcotheres rhombifer'' *'' Arcotheres rotunda ...
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Parasitic Castrator
Parasitic castration is the strategy, by a parasite, of blocking reproduction by its host, completely or in part, to its own benefit. This is one of six major strategies within parasitism. Evolutionary strategy The parasitic castration strategy, which results in the reproductive death of the host, can be compared with the parasitoid strategy, which results in the host's death. Both parasitoids and parasitic castrators tend to be similar to their host in size, whereas most non-castrating parasites are orders of magnitude smaller than the host. In both strategies, an infected host is much less hospitable to new parasites than an uninfected one. A parasite that ends the reproductive life of its host theoretically liberates a significant fraction of the host's resources, which can now be used to benefit the parasite. The fraction of intact host energy spent on reproduction includes not just gonads and gametes but also secondary sexual characteristics, mate-seeking behavior, competi ...
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Crepidula Cachimilla
''Crepidula cachimilla'' is a species of sea snail, a marine gastropod mollusk in the family Calyptraeidae, the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails. Distribution The species was described based on specimens from southwestern Atlantic Ocean in , Argentina ( type locality). Description The maximum recorded shell Shell may refer to: Architecture and design * Shell (structure), a thin structure ** Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses ** Thin-shell structure Science Biology * Seashell, a hard ou ... length is 52.2 mm. Habitat Minimum recorded depth is 10 m. Maximum recorded depth is 20 m. References External links Calyptraeidae Molluscs of the Atlantic Ocean Gastropods described in 2004 {{Calyptraeidae-stub ...
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Pinnotheres
''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (formerly ''P.'' ''novaezelandiae)'', the New Zealand pea crab. The species currently recognised in the genus ''Pinnotheres'' are: *''Pinnotheres atrinae'' Sakai, 1939 *'' Pinnotheres atrinicola'' Page, 1983 *'' Pinnotheres bidentatus'' Sakai, 1939 *''Pinnotheres bipunctatus'' Nicolet, 1849 *''Pinnotheres boninensis'' Stimpson, 1858 *'' Pinnotheres borradailei'' Nobili, 1905 *'' Pinnotheres corbiculae'' Sakai, 1939 *'' Pinnotheres coutierei'' Nobili, 1905 *''Pinnotheres cyclinus'' Gordon, 1932 *''Pinnotheres dilatatus'' Shen, 1932 *'' Pinnotheres dofleini'' Lenz, 1914 *'' Pinnotheres edwardsi'' de Man, 1887 *''Pinnotheres excussus'' Dai, Feng, Song & Chen, 1980 *''Pinnotheres globosus'' Hombron & Jacquinot, 1846 *''Pinnotheres gordonae'' Shen, ...
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WoRMS
Worms may refer to: *Worm, an invertebrate animal with a tube-like body and no limbs Places *Worms, Germany, a city **Worms (electoral district) *Worms, Nebraska, U.S. *Worms im Veltlintal, the German name for Bormio, Italy Arts and entertainment * ''Worms'' (film), a 2013 Brazilian animated film * ''Worms'' (series), a series of video games, including: ** ''Worms'' (1995 video game), the first game in the series ** ''Worms'' (2007 video game), for Xbox Live Arcade, PlayStation Network, and iOS *''Worms?'', 1983 computer game Other uses *Worms (infection), common name for Helminthiasis *Parasitic worms (other) *Worms (surname), a surname *World Register of Marine Species (WoRMS) See also * *Worm (other) * Diet of Worms (other) *Worms & Cie Sequana Capital was a French pulp and paper company. History The company was founded as a coal importing business known as Worms and Cie in 1848. After diversifying into banking and finance it acquired Arjo W ...
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Calyptraeotheres
''Calyptraeotheres'' is a genus of pea crabs in the family Pinnotheridae. Species The World Register of Marine Species lists the following species:- * ''Calyptraeotheres camposi'' Ayón-Parente & Hendrickx, 2014 * ''Calyptraeotheres garthi'' (Fenucci, 1975) * ''Calyptraeotheres granti'' (Glassell, 1933) * ''Calyptraeotheres hernandezi'' Hernández-Ávila & Campos, 2006 * ''Calyptraeotheres pepeluisi'' E. Campos & Hernández-Ávila, 2010 * ''Calyptraeotheres politus ''Calyptraeotheres'' is a genus of pea crabs in the family Pinnotheridae. Species The World Register of Marine Species lists the following species:- * ''Calyptraeotheres camposi'' Ayón-Parente & Hendrickx, 2014 * ''Calyptraeotheres garthi'' (F ...'' (Smith, 1870) References Decapods {{crab-stub ...
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Fabia (crab)
Fabia may refer to: * Fabia gens, an ancient Roman family * Fabia, the daughter of Marcus Fabius Ambustus (consular tribune 381 BC) * Fabia (given name), an Italian feminine given name derived from masculine Fabio * Fabia Arete, Roman actress * Fabia Eudokia, a Byzantine empress * ''Fabia'' (crab), a genus of crab in the family Pinnotheridae * Fabia (Latium), an ancient city in Latium * Fabia Sheen, a fictional character from the Bakugan franchise * Škoda Fabia The Škoda Fabia is a supermini car produced by Czech manufacturer Škoda Auto since 1999. It is the successor of the Škoda Felicia, which was discontinued in 2001. The Fabia was available in hatchback, estate (named Fabia Combi) and saloon ( ...
, an automobile {{disambiguation ...
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Proceedings Of The Biological Society Of Washington
In academia and librarianship, conference proceedings is a collection of academic papers published in the context of an academic conference or workshop. Conference proceedings typically contain the contributions made by researchers at the conference. They are the written record of the work that is presented to fellow researchers. In many fields, they are published as supplements to academic journals; in some, they are considered the main dissemination route; in others they may be considered grey literature. They are usually distributed in printed or electronic volumes, either before the conference opens or after it has closed. A less common, broader meaning of proceedings are the acts and happenings of an academic field, a learned society. For example, the title of the ''Acta Crystallographica'' journals is New Latin for "Proceedings in Crystallography"; the ''Proceedings of the National Academy of Sciences of the United States of America'' is the main journal of that academy. Sc ...
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Seta
In biology, setae (singular seta ; from the Latin word for "bristle") are any of a number of different bristle- or hair-like structures on living organisms. Animal setae Protostomes Annelid setae are stiff bristles present on the body. They help, for example, earthworms to attach to the surface and prevent backsliding during peristaltic motion. These hairs make it difficult to pull a worm straight from the ground. Setae in oligochaetes (a group including earthworms) are largely composed of chitin. They are classified according to the limb to which they are attached; for instance, notosetae are attached to notopodia; neurosetae to neuropodia. Crustaceans have mechano- and chemosensory setae. Setae are especially present on the mouthparts of crustaceans and can also be found on grooming limbs. In some cases, setae are modified into scale like structures. Setae on the legs of krill and other small crustaceans help them to gather phytoplankton. It captures them and allows th ...
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Host (biology)
In biology and medicine, a host is a larger organism that harbours a smaller organism; whether a parasite, parasitic, a mutualism (biology), mutualistic, or a commensalism, commensalist ''guest'' (symbiont). The guest is typically provided with nourishment and shelter. Examples include animals playing host to parasitic worms (e.g. nematodes), cell (biology), cells harbouring pathogenic (disease-causing) viruses, a Fabaceae, bean plant hosting mutualistic (helpful) Rhizobia, nitrogen-fixing bacteria. More specifically in botany, a host plant supplies nutrient, food resources to micropredators, which have an evolutionarily stable strategy, evolutionarily stable relationship with their hosts similar to ectoparasitism. The host range is the collection of hosts that an organism can use as a partner. Symbiosis Symbiosis spans a wide variety of possible relationships between organisms, differing in their permanence and their effects on the two parties. If one of the partners in an ass ...
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Filter Feeder
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. Some animals that use this method of feeding are clams, krill, sponges, baleen whales, and many fish (including some sharks). Some birds, such as flamingos and certain species of duck, are also filter feeders. Filter feeders can play an important role in clarifying water, and are therefore considered ecosystem engineers. They are also important in bioaccumulation and, as a result, as indicator organisms. Fish Most forage fish are filter feeders. For example, the Atlantic menhaden, a type of herring, lives on plankton caught in midwater. Adult menhaden can filter up to four gallons of water a minute and play an important role in clarifying ocean water. They are also a natural check to the deadly red tide. Extensive article on the role of menhaden in the ecosystem and possible resul ...
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Phytoplankton
Phytoplankton () are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater ecosystems. The name comes from the Greek words (), meaning 'plant', and (), meaning 'wanderer' or 'drifter'. Phytoplankton obtain their energy through photosynthesis, as do trees and other plants on land. This means phytoplankton must have light from the sun, so they live in the well-lit surface layers (euphotic zone) of oceans and lakes. In comparison with terrestrial plants, phytoplankton are distributed over a larger surface area, are exposed to less seasonal variation and have markedly faster turnover rates than trees (days versus decades). As a result, phytoplankton respond rapidly on a global scale to climate variations. Phytoplankton form the base of marine and freshwater food webs and are key players in the global carbon cycle. They account for about half of global photosynthetic activity and at least half of the oxygen production, despite ...
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