Uropterygius micropterus (Bleeker, 1852)
Tidepool snake moray
Uropterygius micropterus
photo by Shao, K.T.

Family:  Muraenidae (Moray eels), subfamily: Uropterygiinae
Max. size:  37.3 cm TL (male/unsexed); max.weight: 41.5 g
Environment:  reef-associated; brackish; marine; depth range - 0 m
Distribution:  Indo-Pacific: East Africa to Samoa, north to southern Japan, south to the southern Great Barrier Reef; Marianas in Micronesia.
Diagnosis:  Vertebrae: 114-118. Drab yellow or brown in color, overlain with a web-like network of dark thin lines (Ref. 3257). Description: Characterized by body depth at gill opening about 23 in TL; rudimentary fins; preanal length 2.2 in TL; gill opening at about middle of side; jaws with two rows of teeth, close-set and recurved outer row, inner row about twice as long; four median intermaxillary teeth, progressively longer posteriorly; conical vomerine teeth in single row (Ref. 90102).
Biology:  Abundant on rubble areas of intertidal reef flats. Feeds on small crustaceans and probably on small fishes as well. Also found in shallow reefs including tide pools (Ref 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 19 August 2011 Ref. (130435)
Threat to humans:  harmless


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