Chaca (genus)
Chaca bankanensis, drawing from the first description of Pieter Bleeker.
The loudmouth catfish ( Chacidae ) are a family of fish from the order of catfish -like ( Siluriformes ). It includes only one genus ( Chaca ) with four species. These are found in eastern India, Bangladesh, Nepal, on the Malay Peninsula and Indonesia. Loudmouth catfish use their barbels on the upper jaw to lure prey fish in the vicinity of its mouth.
Features
Loudmouth catfish are small, a maximum of about 24 centimeters long fish. Her head is very large, flattened and viewed from above almost square. The terminal mouth is surrounded by a very broad and hem bartel similar appendage and three or four pairs of real barbels, of which the nasal, if present, are very small. The eyes are on top of the head and are small. The body is flattened laterally strongly especially behind the anal fin. The lateral line is complete and highlighted by a from the gill cover extending to the caudal fin, papillenbesetzten comb. The dorsal fin has a strong rigid beam and four soft rays. The adipose fin is formed as a flat ridge, which merges into the tail fin. The hard steel of the pectoral fins is clear cut, it is followed by four or five soft rays. The pelvic fins are large and have six soft rays on. The anal fin is short and has only eight to ten rays on. A gill Reuse is not formed. The number of Branchiostegalstrahlen of six to eight.
System
The family includes a genus with four species:
- Chaca Chaca bankanensis Bleeker, 1852
- Chaca burmensis Brown & Ferraris, 1988
- Chaca chaca (Hamilton, 1822)
- Chaca Serica Ng & Kottelat, 2012
Swell
- Joseph S. Nelson: Fishes of the world. 4 edition. John Wiley & Sons, Hoboken 2006, ISBN 978-0-471-25031-9, p 179
- Tim M. Berra: Freshwater Fish Distribution. The University of Chicago Press, Chicago 2007, ISBN 9780226044422, pp. 180-181.