Entomacrodus caudofasciatus (Regan, 1909)
Tail-barred rockskipper
Entomacrodus caudofasciatus
photo by Wass, R.C.

Family:  Blenniidae (Combtooth blennies), subfamily: Salariinae
Max. size:  6.2 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 3 m
Distribution:  Indo-Pacific: Andamans to Ducie Islands, north to southern Japan, south to Cocos-Keeling, Kermadec, and Rapa Islands; Belau and Marshall Islands in Micronesia.
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 14-16; Anal spines: 2-2; Anal soft rays: 15-17
Biology:  Adults are found along rocky intertidal shorelines, benches, outer reef flats, and reef margins subject to some degree of wave action. Feeds on filamentous algae (Ref. 89972). Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114).
IUCN Red List Status: Least Concern (LC); Date assessed: 25 March 2009 Ref. (130435)
Threat to humans:  harmless
Country info:  Known from Sulu Sea and Dumaguete (Ref. 90102).


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