Please use this identifier to cite or link to this item: https://doi.org/10.1098/rspb.2005.3419
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.
Hui, T.H. 
Witte, K.E.
Issue Date: 22-Apr-2006
Citation: Kottelat, M., Britz, R., Hui, T.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. Biological sciences / The Royal Society 273 (1589) : 895-899. ScholarBank@NUS Repository. https://doi.org/10.1098/rspb.2005.3419
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.
Source Title: Proceedings. Biological sciences / The Royal Society
URI: http://scholarbank.nus.edu.sg/handle/10635/101345
ISSN: 09628452
DOI: 10.1098/rspb.2005.3419
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