Common Name
Seranilla Goby
Year Described
Randall & Lobel, 2009
Identification
Dorsal Fin: VII, I, 10
Anal Fin: I, 10
Pectoral Fin: 17-18 (usually 18)
Caudal Fin: 13 branched, 9 upper and lower procurrent
Gill Rakers: 2, 9
Vertebrae: 28
Mouth subterminal. Pelvic fins fully united into circular disk. Body scaleless.
Color
Body stripe bright silvery white, bordered by broad black stripes on both sides. Stripes taper off on caudal fin. No yellowish pigment anywhere on head. Snout with a short silvery-white stripe. Back dark gray. Belly gray to whitish. A thin bluish stripe on cheek under black stripe. Fins transparent.
Size
Maximum size to 34.6mm SL.
Habitat
Coral reefs from 15-24m. Closely associated with sponges. Not known to clean other fishes.
Range
Known from Serranilla Bank and off Jamaica.
References
Randall, J. E. & P. S. Lobel. 2009. A literature review of the sponge-dwelling gobiid fishes of the genus Elacatinus from the western Atlantic, with description of two new Caribbean species. Zootaxa No. 2133: 1-19.
Other Notes
This species is related to Elacatinus xanthiprora, but that species has a yellow stripe and 11-12 dorsal finrays.