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Ctenogobius thoropsis (Pezold & Gilbert, 1987) Sperm goby |
| Family: | Gobiidae (Gobies), subfamily: Gobionellinae | |||
| Max. size: | 4.4 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater; brackish; marine; depth range 20 - 40 m, amphidromous | |||
| Distribution: | South America: Surinam and lower Rio Amazonas. Atlantic: northern Brazil. | |||
| Diagnosis: | Dorsal spines (total): 7-7; Dorsal soft rays (total): 11-11; Anal spines: 1-1; Anal soft rays: 12-12. Eyes reduced, size do not fill the socket. Both sexes with jaw extending to the rear margin of the orbit. Pectoral fin count high (usually 18, 17-19). Tail elongated (Ref. 33570). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 29 January 2024 Ref. (130435) | |||
| Threat to humans: | harmless | |||