Elacatinus horsti (Metzelaar, 1922)
Yellowline goby
photo by Randall, J.E.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  5 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 7 - 27 m
Distribution:  Western Central Atlantic: southern Florida (including Gulf Coast) in USA and Bahamas to CuraƧao and Panama.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 11-12; Anal spines: 1-1; Anal soft rays: 10-10. Narrow pale yellow or white line extending from eye to caudal fin base (Ref. 26938). Black, shading to whitish ventrally (Ref. 13442).
Biology:  Always lives in association with tube sponges or massive sponges. Difficult to approach (Ref. 9710).
IUCN Red List Status: Least Concern (LC); Date assessed: 24 March 2011 Ref. (126983)
Threat to humans:  harmless

Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.