Evermannichthys bicolor Thacker, 2001
photo by Williams, J.T.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  3 cm SL (male/unsexed)
Environment:  demersal; depth range 27 - 30 m
Distribution:  Western Central Atlantic: known from the type locality, Navassa Island. Also from the Bahamas (Ref. 92840).
Diagnosis:  Dorsal spines (total): 6-7; Dorsal soft rays (total): 10-10; Anal soft rays: 9-9. Distinguished by having the following characteristics: thin and elongate in form; reduced scale cover and head pores; depth of body about 2 mm (Ref. 92840); uniformly dark on dorsal third of body and pale on remainder; clear median and paired fins; frenum connecting the upper lip to snout is reduced; separated upper lip and snout; tongue is emarginate (Ref. 44822).
Biology:  Obligate sponge dwellers. Live deep within canals of the sponges, near the openings to the incurrent canals. Sponges provide species with protection from predators and an available food source in many invertebrates. Eggs found within sponge or small plankton brought through incurrent pores (Ref. 92840).
IUCN Red List Status: Data deficient (DD); Date assessed: 24 March 2011 Ref. (123251)
Threat to humans:  harmless
Country info:   
 

Entered by: Garilao, Cristina V. - 08.04.02
Modified by: Valdestamon, Roxanne Rei - 17.07.13

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