Alfredo Carvalho Filho
(1) Silksworth Aquatics (1) Donald
Taphorn (1)
ScotCat
Sources:
Other
Sources:
Relevant
Information:
Description:
Dorsal spines (total): 1; Dorsal soft rays (total):
6; Anal spines: 0; Anal soft rays: 20 - 25. Body is
thick compared to that of Auchenipterus.
Snout is very rounded, with a recessed lower jaw.
The moderately large eyes are lateral in position.
The zigzag lateral line is complete. The branchiospines
are short and numerous. The caudal fin has 17 spines.
Habitat: Found over muddy bottoms
in brackish river mouths. Probably prefers large rivers
and slightly brackish waters. Occurs in very thick
schools over muddy bottoms. Reproduction:
During reproduction, towards the month of December,
the ventral fins and the mandible turn pink. Diet:
Omnivorous, with a tendency towards detritivorous
feeding. Searches for food in the zones of the village
waste waters. Etymology: The genus
name Pseudauchenipterus: pseudo-, false,
i.e., although this genus may resemble Auchenipterus,
such an appearance is false. The specific name: nodosus:
knotty or swollen, referring to the large swelling
at base of dorsal fin.
Pseudauchenipterus
nodosus
Georgetown, Guyana Fish Market
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