Gobiomorus dormitor Lacepède, 1800
Bigmouth sleeper
Gobiomorus dormitor
photo by Artigas Azas, J.M.

Family:  Eleotridae (Bully sleepers)
Max. size:  90 cm TL (male/unsexed); max.weight: 7,508.0 g
Environment:  demersal; freshwater; brackish; marine, amphidromous
Distribution:  Western Central Atlantic: Southern Florida and southern Texas in USA to eastern Brazil. Eastern Central Atlantic: Macias Nguema (Fernando Po).
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 9-9
Biology:  Adults occur in fresh water, often well inland. Found over sand streams, usually in current near cover (Ref. 86798). Inhabits larger free flowing clear water streams (Ref. 11225). They lie mostly on the bottom in slower moving part of streams, sometimes on logs or large stones and on leaf debris or gravel (Ref. 11225). A carnivorous and benthic fish that relies on its sluggish behavior and cryptic coloration (Ref. 36880). Feeds on all greater invertebrates and regularly also fish (Ref. 92840).
IUCN Red List Status: Least Concern (LC); Date assessed: 15 February 2019 Ref. (130435)
Threat to humans:  harmless


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