About: Bucephalidae

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Bucephalidae is a family of trematodes that parasitize fish. They lack suckers, having instead a muscular organ called a "rhynchus" at the front end which they use to attach to their hosts. The characteristics of the rhynchus are used to help define the genera of the family. It is one of the largest digenean families, with 25 genera containing hundreds of described species. Bucephalids are cosmopolitan, having been recorded all over the world. They are parasites of fish from freshwater, marine, and brackish water habitat types.

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  • Bucephalidae is a family of trematodes that parasitize fish. They lack suckers, having instead a muscular organ called a "rhynchus" at the front end which they use to attach to their hosts. The characteristics of the rhynchus are used to help define the genera of the family. It is one of the largest digenean families, with 25 genera containing hundreds of described species. Bucephalids are cosmopolitan, having been recorded all over the world. They are parasites of fish from freshwater, marine, and brackish water habitat types. The name Bucephalus, meaning "ox head", was originally applied to the genus Bucephalus because of the horn-like appearance of the forked tail (furcae) of its cercaria larva. By what Manter calls a "curious circumstance", horns are also suggested by the long tentacles of adult worms. These flatworms typically occur in teleost fishes as sexually reproducing adults. In their intermediate hosts, which include mollusks and at least one amphibian, they occur as asexually reproducing stages. The characteristic feature is an anterior rhyncus or holdfast that is separate from the digestive system. They also differ from other digeneans in the configuration of the digestive systems and genitalia. The intestine is simple and saccular; they have no acetabulum. The spermatozoa of adult bucephalids has been studied by transmission electron microscopy in several species belonging to the Bucephalinae and Prosorhynchinae, but, in the absence of data on the three other subfamilies, these studies could not provide information on the phylogenetic relationships within the family. (en)
  • Bucephalidae är en familj av plattmaskar. Enligt Catalogue of Life ingår Bucephalidae i ordningen Strigeata, klassen sugmaskar, fylumet plattmaskar och riket djur, men enligt Dyntaxa är tillhörigheten istället klassen Neodermata, fylumet plattmaskar och riket djur. Enligt Catalogue of Life omfattar familjen Bucephalidae 40 arter. Kladogram enligt Catalogue of Life och Dyntaxa: (sv)
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  • Poche, 1907 (en)
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  • 2 (xsd:integer)
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  • Cercaria larva of Bucephalus polymorphus from Encyclopædia Britannica, Eleventh Edition (en)
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  • Bucephalidae (en)
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  • Bucephalidae är en familj av plattmaskar. Enligt Catalogue of Life ingår Bucephalidae i ordningen Strigeata, klassen sugmaskar, fylumet plattmaskar och riket djur, men enligt Dyntaxa är tillhörigheten istället klassen Neodermata, fylumet plattmaskar och riket djur. Enligt Catalogue of Life omfattar familjen Bucephalidae 40 arter. Kladogram enligt Catalogue of Life och Dyntaxa: (sv)
  • Bucephalidae is a family of trematodes that parasitize fish. They lack suckers, having instead a muscular organ called a "rhynchus" at the front end which they use to attach to their hosts. The characteristics of the rhynchus are used to help define the genera of the family. It is one of the largest digenean families, with 25 genera containing hundreds of described species. Bucephalids are cosmopolitan, having been recorded all over the world. They are parasites of fish from freshwater, marine, and brackish water habitat types. (en)
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  • Bucephalidae (en)
  • Bucephalidae (sv)
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