Dorsal spines (total):
1; Dorsal soft rays (total): 6; Anal soft rays: 11 - 15. Body
elongated, without scales but with a range of 33-35 spiny bony
plaque which runs along the length of the lateral, starting from
the extreme end of the caudal fin up to the point directly below
the origin of the dorsal fin. Head is pointed and laterally compressed,
its width being far less than its length. Eyes are high and are
situated in the posterior half of the head. Mouth is inferior,
provided with a pair of maxillary barbels branching into 12 or
13 branches and 4 short mandibular barbels. Adipose fin short.
Can emit sounds by moving its pectoral spines. Every basic unit
of sound emitted lasts for 60-70 millisecond, with a frequency
of 60-90 Hertz corresponding to the reply frequency of the muscles
utilized
Common
Name:
None
Synonyms:
Silurus carinatus
Family:
Doradidae blycipitidae
Distribution:
South America:
Essequibo River basin and other coastal drainages east to mouth
of Amazon River, possibly in lower Amazon and lower Orinoco
River basins
Size:
30cm.
(12ins)
Temp:
22-25°C
(71-77°F)
p.H.
6.5-7.0.
Reference:
Froese, R. and
D. Pauly. Editors. 2008.FishBase. World Wide Web electronic
publication.
www.fishbase.org, version (02/2009).
