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Chaca serica, a new species of frogmouth catfish

Chaca serica

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#1 scotcat

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Posted 01 July 2012 - 04:31 PM

Zootaxa3258: 37–45 (2012)

Chaca serica, a new species of frogmouth catfish (Teleostei: Siluriformes)
from southern Borneo

HEOK HEE NG & MAURICE KOTTELAT


Abstract
Chaca serica, a new species of frogmouth catfish from the Kahayan, Kapuas and Mentaya river drainages in southern
Borneo, is described here. It can be distinguished from congeners in having the following combination of characters: the
oral margin of the lower lip lacking (vs. having) a series ofrugose ridges, presence of nasal barbels, presence of papillae
around the eyes, a temporal fossa extending to the supraoccipital, 7–8 serrae on the anterior edge of the pectoral spine,
four pectoral-fin rays, absence of a row of fimbriate skin flaps on the body dorsal to (and sometimes also ventral to) the
lateral line, dorsal procurrent caudal-ray base 32.8–37.3%SL, and ventral procurrent caudal-ray base 16.0–19.2% SL.
Allan.

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