Spotback goby (Elacatinus janssi)

Scientific name: Elacatinus janssi Bussing, 1981

The Spotback goby (Elacatinus janssi) is a marine fish of the family Gobiidae. Native range: Eastern Central Pacific, Costa Rica, Panama and Mexico.

Biology

This species is distinguished by the following characters: fewer second dorsal and anal-fin rays than other species; a spotted head and body; distinctive head shape, when viewed dorsally, it is narrow and compressed anterior to the eyes, broadening posteriorly due to the thick cheek muscles; males typically with a large mouth extending beyond the end of the eye..

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Elacatinus janssi
Family
Gobiidae (Gobies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
3.0
Depth range
14–20 m (46–66 ft)
Environment
Marine; reef-associated; depth range 14 - 20 m
Climate
Tropical
Distribution
Eastern Central Pacific: Costa Rica, Panama and Mexico.
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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