Island frillfin (Bathygobius mystacium)

Scientific name: Bathygobius mystacium Ginsburg, 1947

Island frillfin (Bathygobius mystacium)

The Island frillfin (Bathygobius mystacium) is a marine fish of the family Gobiidae. Native range: Western Atlantic, Florida, USA and the Bahamas to the Antilles and Esp?rito Santo, Brazil.

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. This species is distinguished by the following characters: 17-20 pectoral fin rays; 33-36 lateral scale rows; upper jaw length typically 9.2-11.0% SL (one specimen with 11.7%); predorsal squamation reaching anteriorly well beyond vertical through posterior margin of preopercle; first dorsal fin pigmentation variable, typically 1-3 longitudinal stripes with pale distal border of varying width, but sometimes uniformly dusky in larger specimens; trunk with 3 dorsal saddles sometimes reaching lateral midline and row of 6 large square to irregularly shaped blotches beneath lateral midline ranging in size from slightly larger than pupil to as large as or larger than orbit.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Bathygobius mystacium
Family
Gobiidae (Gobies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
15.0
Environment
Marine; demersal
Climate
Tropical
Distribution
Western Atlantic: Florida, USA and the Bahamas to the Antilles and Esp?rito Santo, Brazil.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (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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