Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Gobiidae (Gobies) > Gobionellinae
Etymology: Gobionellus: Diminutive of Latin, gobius = gudgeon (Ref. 45335).
Environment / Climate / Range
Ecology
Marine; freshwater; brackish; demersal; amphidromous (Ref. 46888). Tropical; 11°C - 29°C (Ref. 97140), preferred ?; 37°N - 36°S, 98°W - 34°W
Western Atlantic: USA (Virginia) to southern Brazil; occasionally taken as far north as Great Bay estuary, New Jersey; including Mississippi Sound, Gulf of Mexico off Port Aransas, Texas; the muddy coast of French Guiana and especially common along the lower Cayenne River.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.4 cm SL male/unsexed; (Ref. 55435); 14.9 cm SL (female); common length : 4.7 cm TL male/unsexed; (Ref. 12193)
Dorsal
spines
(total): 7;
Dorsal
soft rays
(total): 12-14;
Anal
spines: 1;
Anal
soft rays: 13 - 14. This species differs from its congeners by the following characters: mouth terminal and oblique; most distinct pigmentation, a large blotch on trunk located anterodorsally beneath pectoral fin; opercle with a triangular patch; pectoral-fin base with a blotch; second dorsal-fin 14 elements, anal fin with 15 elements; dorsal fins separate; adults with small ctenoid scales covering trunk and nape, 57-89 scales in a lateral series; upper jaw with several rows of teeth; first gill arch with 8 thin rakers on ceratobranchial, 1at the angle, and 6 or 7 on epibranchial (Ref. 55435).
Adults are found on shallow mud or mud-sand bottoms in turbid and generally brackish water near estuaries (Ref. 13628). Also encountered in weedy backwaters (Ref. 7251) and hyper-saline waters (Ref. 13628) with salinity ranging from 0.15 to 37.2 ppt (Ref. 97140).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Benthic spawner.
Pezold, F., 2004. Redescriptions and synonymies of species of the American-west African genus Gobionellus (Teleostei: Gobiidae) with a key to species. Copeia 2004(2):281-297. (Ref. 55435)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
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