Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Labrisomidae
Etymology: Malacoctenus: Greek, malakos = soft + Greek, kteis, ktenos = comb (Ref. 45335).
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. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 26.4 - 28.2, mean 27.5 (based on 573 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00369 - 0.01791), b=2.99 (2.80 - 3.18), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .