|
Risor ruber (Rosén, 1911) Tusked goby |
|
|
photo by
Macieira, R.M. |
| Family: | Gobiidae (Gobies), subfamily: Gobiinae | |||
| Max. size: | 2.5 cm TL (male/unsexed) | |||
| Environment: | reef-associated; marine | |||
| Distribution: | Western Atlantic: southern Florida, USA and the Bahamas to northeastern Brazil (Ref. 39606). | |||
| Diagnosis: | Dorsal spines (total): 7-7; Dorsal soft rays (total): 11-12; Anal spines: 1-1; Anal soft rays: 9-10. Distinguished by the following characteristics: first dorsal fin spines VII; completely united pelvic fins; scales only on posterior section of the trunk; four modified basicaudal scales at the base of the caudal fin; light to dark brown body color with faint internal bars visible on lighter specimens; 2-4 enlarged re-curved canines in each jaw that project out of the mouth, point out and up in the upper jaw, down and back on the lower jaw (Ref. 92840). | |||
| Biology: | Found in association with large barrel sponges, generally along outside hiding in crevices, also sometimes within the sponge tubules (Ref. 92840). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 01 March 2010 Ref. (130435) | |||
| Threat to humans: | harmless | |||