Malacoctenus boehlkei Springer 1959

Diagnosis: Fin-ray counts of D-XX,13 or XXI,11-12 or XXII,11 (a mode of 33 dorsal-fin elements) and modal A-II,22 with 15 pectoral-fin rays indicates Malacoctenus boehlkei. Few congeners match the high dorsal-fin ray count; only a rare M. triangulatus shares the D-XX,13 and a very rare M. macropus has as many as D-XXIII,10 and/or A-II,22. Labrisomus filamentosus share the high median-fin ray count, but have only 13 pectoral-fin rays (and a quite different morphology). L. haitiensis barely overlaps the count, with a rare D-XXII,11 and/or A-II,22. (DNA) Ecology: The diamond blenny is a tiny blenny typically found on coral walls and slopes below 30 feet; it is the only deeper-water Malacoctenus species and often shelters among anemone tentacles. The species ranges from Florida, the S. Gulf of Mexico, and the Bahamas across the Caribbean Sea, but not NE Venezuela or Brazil and its offshore islands. Their larvae are unknown or unrecognized in collections. Description: (larvae unknown, description inferred from transitional juvenile) Larvae: Body long, narrow, and thin with a large round eye, pointed snout, and relatively small terminal mouth. Long continuous dorsal and anal fins with a short and narrow caudal peduncle. Pectoral fins long, reaching past the vent, and pelvic fins very long and thread-like. On the head there are several large and small melanophores per side, over both the fore- and midbrain lobes. Along the anal fin there is a melanophore at the base of each anal-fin soft ray. Juveniles: M. boehlkei recruits develop a distinctive yellow-ringed ocellus on the first three dorsal-fin-spine membranes, not contacting the body. Their two longest pelvic-fin rays are greatly extended, reaching to the mid-anal fin. Analogues: Once they develop the characteristic ocellated spot at the front of the spinous dorsal fin, recruits can be separated from all other labrisomid species. M. triangulatus and M. gilli both have a dark non-ocellated spot on the first dorsal-fin spines, located lower on the fin and extending onto the body.

Upper side has series of dark blotches; lower side has series of diamond-shaped markings (Ref. 26938). Males light brown, finely spotted with white, with an upper row of seven irregular dark-edged brown blotches and a lower row of ten smaller brown blotches of irregular diamond shape with pale centers; females have brownish orange blotches instead of dark brown (Ref. 13442).

Dorsal spines (total): 21 - 22; Dorsal soft rays (total): 11 - 13; Analspines: 2; Analsoft rays: 20 - 23

Inhabit patch reefs or other deeper water coral formations. Usually associated with Condylactis gigantea (Ref. 9710).

Malacoctenus boehlkei, the Diamond blenny, is a species of labrisomid blenny native to the central western Atlantic Ocean and the Caribbean Sea where it is an inhabitant of coral reefs at depths of from 5 to 70 metres (16 to 230 ft). This species can reach a length of 6.4 centimetres (2.5 in) TL. The specific name honour the ichthyologist James E. Böhlke (1930-1982), of the Academy of Natural Sciences of Philadelphia.

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Malacoctenus boehlkei Malacoctenus generoko animalia da. Arrainen barruko Labrisomidae familian sailkatzen da.