Dodekablennos fraseri Springer & Spreitzer, 1978

Family:  Blenniidae (Combtooth blennies), subfamily: Salariinae
Max. size:  3.71 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 0 - 2 m
Distribution:  Western Indian Ocean: Reunion and Mauritius.
Diagnosis:  Dorsal spines (total): 12; Dorsal soft rays (total): 19-20; Anal spines: 2; Anal soft rays: 21. With 12 pectoral-fin rays; with no nape and orbital cirri; typically with fewer than 65 teeth in each jaw; with vomerine teeth; 12 dorsal-fin spines and with only 2-6 branched caudal-fin rays; terminal anal-fin ray unbound by membrane to the caudal peduncle. Males possessing a fleshy, blade-like crest on head. Color pattern based on preserved specimens: dusky head, ventrally paler with slightly dusky chevron in smaller specimens or a cross mark on the largest specimen; dusky bar continuing ventrally beginning from midventral margin of orbit across lip, posteriorly alternated by paler area from diffuse dusky bar continuing ventrally from just posterior to eye across corner of mouth to ventral surface of head, contributing to formation of dusky chevron; pale upper lip and male crest with dusky spots; lateral side of body with 7-8 dark dusky bands interspersed with pale areas; anteriormost band dorsally diffused; all bands continuing onto dorsal fin; posterior bands typically dorsally forked in males and both dorsally and ventrally in females; posteriormost band expanded in largest specimen, continuing ventroposteriorly well onto caudal fin and joining dusky stripe along ventral margin of fin; dorsal-fin spines and rays variably dusky; males with distal intensely black spots on each of the first three interradial membranes; female lacking black spots; anal fin dusky and submarginally darker; spine and ray tips without pigmentation (Ref. 69212).
Biology:  Found in tide pools (Ref. 33390). 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: 24 March 2009 Ref. (130435)
Threat to humans:  harmless


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