Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/101344
Title: Paedocypris, a new genus of Southeast Asian cyprinid fish with a remarkable sexual dimorphism, comprises the world's smallest vertebrate
Authors: Kottelat, M.
Britz, R.
Tan, H.H. 
Witte, K.-E.
Keywords: Cyprinidae
Paedocypris
Peat swamps
Sexual dimorphism
Smallest vertebrate
Issue Date: 22-Apr-2006
Citation: Kottelat, M., Britz, R., Tan, H.H., Witte, K.-E. (2006-04-22). Paedocypris, a new genus of Southeast Asian cyprinid fish with a remarkable sexual dimorphism, comprises the world's smallest vertebrate. Proceedings of the Royal Society B: Biological Sciences 273 (1589) : 895-899. ScholarBank@NUS Repository.
Abstract: Paedocypris is a new genus of paedomorphic cyprinid fish from highly acidic blackwater peat swamps in Southeast Asia. It includes two new species, one of which (Paedocypris progenetica) appears to be the smallest fish and vertebrate known, with the smallest mature female measuring a mere 7.9 mm. Paedocypris has many 'larval' features typically associated with paedomorphic fish (e.g. narrow frontals that leave the brain unprotected dorsally by bone and a precaudal larval-fin-fold), but, uniquely among fishes, males also possess highly modified pelvic fins with hypertrophied muscles and a keratinized pad in front of the pelvic girdle, which, we hypothesize, function together as a clasping or holding device, thereby suggesting an unusual reproductive mode. Unfortunately, habitat destruction jeopardizes the survival of these fishes and thus opportunities for further research. © 2006 The Royal Society.
Source Title: Proceedings of the Royal Society B: Biological Sciences
URI: http://scholarbank.nus.edu.sg/handle/10635/101344
ISSN: 09628452
Appears in Collections:Staff Publications

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