Elacatinus serranilla Randall & Lobel, 2009
Serranilla goby
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Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  3.46 cm SL (male/unsexed)
Environment:  reef-associated; marine
Distribution:  Caribbean Sea: Serranilla Bank and Jamaica (Ref. 81169).
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 10-10; Anal spines: 1-1; Anal soft rays: 10-10. Dorsal rays VII + I,10; anal rays I,10; pectoral rays 17–18, usually 18; no scales; body and fins covered with thick adherent mucus; mouth subterminal; tongue truncate; no rostral frenum; color in alcohol: narrow dark brown stripe extending posteriorly from upper part of eye, broadening laterally on body, and ending diffusely at midposterior end of caudal fin; a narrow dark brown stripe from base of upper lip, passing just above eye, then dorsally on body below base of dorsal and fins, and continuing into dorsal part of caudal fin; narrow zone between dark stripes pale gray-brown; body below lateral dark stripe pale graybrown; fins translucent yellowish; in life, dark stripes black, narrow pale stripe between stripes bright bluish white, and body below lateral black stripe pale bluish gray; a narrow mid-dorsal bluish white band on snout from behind upper lip to front of interorbital space (Ref. 81169).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 23 March 2011 Ref. (123251)
Threat to humans:  harmless
Country info:   
 

Entered by: Busson, Frédéric - 16.06.09
Modified by: Bailly, Nicolas - 08.10.18

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