Sperm goby (Ctenogobius thoropsis)

Scientific name: Ctenogobius thoropsis Pezold & Gilbert, 1987

The Sperm goby (Ctenogobius thoropsis) is a freshwater fish of the family Gobiidae. Native range: South America, Surinam and lower Rio Amazonas. Atlantic: northern Brazil.

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 11; Anal spines: 1; Anal soft rays: 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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ctenogobius thoropsis
Family
Gobiidae (Gobies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
4.4
Depth range
20–40 m (66–131 ft)
Environment
Marine; freshwater; brackish; demersal; amphidromous; depth range 20 - 40 m
Climate
Tropical
Distribution
South America: Surinam and lower Rio Amazonas. Atlantic: northern Brazil.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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