Cocos frill-goby (Bathygobius cocosensis)

Scientific name: Bathygobius cocosensis Bleeker, 1854

The Cocos frill-goby (Bathygobius cocosensis) is a brackish-water fish of the family Gobiidae.

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. 6-8 elongate black spots on its mid sides which are mottled in females and have numerous longitudinal lines in males.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Bathygobius cocosensis
Family: Gobiidae (Gobies)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 10.0
Depth range: 0–10 m (0–33 ft)
Environment: Marine; brackish; reef-associated; depth range 0 - 10 m
Climate: Tropical
Distribution: Indo-Pacific: East Africa to Johnston, Marquesas and Tuamoto islands, north to southern Japan, south to the southern Great Barrier Reef and Rapa Islands; Marianas and Marshall Islands in Micronesia. Misidentified as Bathygobius fuscus in Hawaii.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)