Actinopteri (ray-finned fishes) > Blenniiformes
(Blennies) > Labrisomidae
Etymology: Malacoctenus: Greek, malakos = soft + Greek, kteis, ktenos = comb (Ref. 45335).
More on author: Poey.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 0 - 8 m (Ref. 26938), usually 0 - 2 m (Ref. 9710). Subtropical; 32°N -
Western Atlantic: Bermuda, southern Florida (USA), Bahamas, and Yucatan (Mexico) to northern South America.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm TL male/unsexed; (Ref. 7251)
Morphology | Morphometrics
(total): 21 - 22;
soft rays: 20 - 21. No conspicuous spots or ocelli. It is the only member of its genus that does not have a conspicuous color pattern (Ref. 26938). Female with irregular brown blotches dorsally on body, uniformly speckled with small whitish spots, the dorsal fin with many small dark reddish spots; postorbital head and body of males covered with small red spots and blotches; no dark spots in dorsal fin (Ref. 13442).
Occurs in a wide variety of shoreline habitats and patch reefs (Ref. 9710). Found in sponge beds in shallow waters and grassy areas (Ref. 26938).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 125652)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 26.4 - 28.2, mean 27.5 °C (based on 573 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00351 - 0.01641), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for species & Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .
Nutrients (Ref. 124155
): Calcium = 102 [48, 233] mg/100g ; Iron = 1.14 [0.60, 2.30] mg/100g ; Protein = 19.6 [18.5, 20.6] % ; Omega3 = 0.29 [0.15, 0.59] g/100g ; Selenium = 9.54 [4.21, 21.81] μg/100g ; VitaminA = 188 [58, 650] μg/100g ; Zinc = 1.57 [0.94, 2.58] mg/100g (wet weight);