Erethistidae

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Erethistidae

Erethistes Pusillus.JPG

Erethistes pusillus

Scientific classification edit
Kingdom:
Animalia
Phylum:
Chordata
Class:
Actinopterygii
Order:
Siluriformes
Superfamily:
Sisoroidea
Family:
Erethistidae
Bleeker, 1862
Genera[1]

Ayarnangra
Caelatoglanis
Conta
Erethistes
Erethistoides
Hara
Pseudolaguvia


Erethistidae are a family of catfishes that originate from southern Asia.[2] It includes about 26 species.




Contents





  • 1 Taxonomy


  • 2 Distribution


  • 3 Description


  • 4 References




Taxonomy


This family includes species previously placed in Sisoridae.[2] They were removed because they were thought to be more closely related to the neotropical Aspredinidae than to the remaining sisorids due to a number of morphological characters.[3] However, it has been suggested that the erethistid catfishes be included back into Sisoridae and some genera are included in that family by some authorities.[4]



Distribution


Erethistids are found on the Indian subcontinent eastwards to western Thailand and northern Malay Peninsula.[5]



Description


Many of the members of this family are small, cryptically colored fishes with tuberculate skin.[5] Erethistids are distinguished from sisorids by having a pectoral girdle with a long coracoid process that extends well beyond the base of the pectoral fin; this structure can be felt through the skin in all genera and is visible externally in all genera except Pseudolaguvia. Erethistids differ from amblicipitids in that they lack a cuplike fold of skin in front of the pectoral fin (vs. possessing the cuplike fold), and have a dorsal fin with a strong spine and no thick covering of skin (vs. a weak spine with a thick covering of skin). Erethistids have nostrils close together, separated by a nasal barbel, which differs from akysids which have widely separated nostrils on each side of the head, with a barbel on the posterior nostril.[6] Some erethistids possess a thoracic adhesive apparatus formed by longitudinal skin folds densely covered with unculi that appears to be an adaptation to life in fast flowing waters; this closely resembles a similar structure in the sisorid Glyptothorax.[7]



References



  1. ^ Froese, Rainer, and Daniel Pauly, eds. (2011). "Erethistidae" in FishBase. December 2011 version.


  2. ^ ab Nelson, Joseph S. (2006). Fishes of the World. John Wiley & Sons, Inc. ISBN 0-471-25031-7..mw-parser-output cite.citationfont-style:inherit.mw-parser-output qquotes:"""""""'""'".mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  3. ^ Diogo, R.; Chardon, M.; Vandewalle, P. (2003). "Osteology and myology of the cephalic region and pectoral girdle of Erethistes pusillus, comparison with other erethistids, and comments on the synapomorphies and phylogenetic relationships of the Erethistidae (Teleostei: Siluriformes)". Journal of Fish Biology. 63 (5): 1160–1175. doi:10.1046/j.1095-8649.2003.00235.x.


  4. ^ Ferraris, Carl J. Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa. 1418: 1–628. Retrieved 2009-06-25.


  5. ^ ab Ng, Heok Hee (March 2005). "Conta pectinata, a new erethistid catfish (Teleostei: Erethistidae) from northeast India" (PDF). Ichthyol. Explor. Freshwaters. 16 (1): 23–28. Retrieved 2009-06-25.


  6. ^ Thomson, Alfred W.; Page, Lawrence M. (2006). "Genera of the Asian Catfish Families Sisoridae and Erethistidae (Teleostei: Siluriformes)" (PDF). Zootaxa. 1345: 1–96. Retrieved 2009-06-25.


  7. ^ Britzi, Ralf; Ferraris, Carl J., Jr. (2003). "A new species of the Asian catfish genus Pseudolaguvia from Myanmar (Teleostei: Ostariophysi: Siluriformes: Erethistidae)" (PDF). Zootaxa. 388: 1–8. Retrieved 2009-06-25.CS1 maint: Multiple names: authors list (link)









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