Uropterygius concolor Rüppell, 1838
Unicolor snake moray
photo by Winterbottom, R.

Family:  Muraenidae (Moray eels), subfamily: Uropterygiinae
Max. size:  50 cm TL (male/unsexed)
Environment:  reef-associated; brackish; marine; depth range 1 - 10 m
Distribution:  Indo-Pacific: Red Sea and East Africa (Ref. 33390) to the Marquesan and Society islands, north to southern Japan, south to New Caledonia; the Carolines in Micronesia.
Diagnosis:  Vertebrae: 119-123. Drab brown in color, tip of tail yellow (Ref. 3257). Median fins restricted to the end of the tail (Ref. 3257). Description: Characterized by body depth at gill opening 15-20 in TL; anus anterior to middle of body; preanal length 2.3-2.4 in TL; one prominent lateral-line pore on head above level of gill opening; jaws with two rows of teeth; small teeth in outer series, close-set, slanting backwards; well-spaced, long, slender teeth of inner-series, depressible canines; lower jaw teeth extending only about two-thirds length of jaw; intermaxillary with two very long depressible canines (Ref. 90102).
Biology:  Lives in mangrove swamps, brackish rivers, and shallow coral reefs to depths of at least 8 m (Ref. 1602).
IUCN Red List Status: Least Concern (LC); Date assessed: 11 August 2011 Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Winterbottom, Richard - 08.02.93
Modified by: Casal, Christine Marie V. - 12.04.18
Checked by: Froese, Rainer - 05.01.96

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