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Pseudotolithus
Genus of fishes From Wikipedia, the free encyclopedia
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Pseudotolithus is a genus of marine ray-finned fish belonging to the family Sciaenidae, the drums or croakers. The species in this genus are found in the Eastern Atlantic Ocean.
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Taxonomy
Pseudotolithus was first proposed as a genus in 1863 by the Dutch physician, herpetologist and ichthyologist Pieter Bleeker when he described the new species P. brachygnathus, P. epipercus and P. typus.[2] P. typus was designated as the type species by virtue of being named typus.[1] Ethelwynn Trewavas placed the eastern Atlantic Afrotropical sciaenids, Pseudotolithus and Pteroscion, in the tribe Pseudotolithini.[3] Other workers have placed this tribe in the subfamily Pseudotolithinae alongside the tribe Miracorvini, Miracorvina and Pentheroscion.[4] However, the 5th edition of Fishes of the World does not recognise tribes or subfamilies within the Sciaenidae which it places in the order Acanthuriformes.[5]
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Etymology
Pseudotolithus prefixes Otolithus with pseudo meaning "false" due to Bleeker's perceived false resemblance between these fishes and those of that genus.[6]
Species
Pseudotolithus has the following valid species classified within it:[7]
- Pseudotolithus brachygnathus Bleeker, 1863[8]
- Pseudotolithus elongatus (Bowdich, 1825) (bobo croaker)
- Pseudotolithus epipercus (Bleeker, 1863) (Guinea croaker)
- Pseudotolithus moorii (Günther, 1865) (Cameroon croaker)
- Pseudotolithus senegalensis (Valenciennes, 1833) (cassava croaker)
- Pseudotolithus senegallus (Cuvier, 1830) (law croaker)
- Pseudotolithus typus (Bleeker, 1863) (longneck croaker)
Characteristics
Pseudotolithus croakers have a carrot-shaped swim bladder running the whole length of the body cavity with a pair of long tube-like appendages growing out of its front. These appendages branch into as many as 32 tubules. They do not have any barbels on the chin.[3] The largest species in the genus is the law croaker (P. senegallus) which has a maximum published total length of 230 cm (91 in) while the smallest is the bobo croaker (P. elongatus) at 47 cm (19 in).[7]
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Distribution
Pseudotolithus croakers are found in the Western Atlantic Ocean from Morocco in the north to Angola in the south.[8]
References
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