Meiacanthus procne Smith-Vaniz, 1976
Swallowtail fangblenny
Meiacanthus procne
photo by Randall, J.E.

Family:  Blenniidae (Combtooth blennies), subfamily: Blenniinae
Max. size:  7 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 16 m
Distribution:  Pacific Ocean: apparently endemic to Tonga.
Diagnosis:  Dorsal spines (total): 4-5; Dorsal soft rays (total): 25-26; Anal spines: 2-2; Anal soft rays: 15-16. Lunate caudal fin with elongated lobes in both sexes; upper half of body bluish black and lower half abruptly bluish white, posteriorly with few small black spots; dorsal fin basal half black with pale blue stripe composed of 1 spot per membrane broadly joined to the next ; outer half of fin bluish gray with pale thin blue margin and black submarginal line; caudal fin base and lobes black with pale blue upper and lower margins, centroposterior part of fin transparent with dusky rays; pectoral-fin axil without dark spot. Dorsal rays IV-V (rarely IV), 25-26; pectoral soft rays rarely 13; segmented caudal rays 11-12 (typically 11); lateral line present (Ref. 54980).
Biology:  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: 28 March 2009 Ref. (130435)
Threat to humans:  harmless


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