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> Blenniiformes (Blennies) > Labrisomidae (Labrisomids)
Etymology: Labrisomus: Greek, labrax, -akos = a fish, Dicentrarchus labrax+ Greek, soma = body (Ref. 45335).
More on authors: Quoy & Gaimard.

Environment: milieu / climate zone / depth range / distribution range Écologie

marin récifal; non migrateur (Ref. 55747); profondeur 0 - 10 m (Ref. 27000), usually 0 - 5 m (Ref. 40849). Tropical; 34°N - 34°S, 100°W - 11°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Atlantic: Bermuda, Florida (USA), Bahamas, and northern Gulf of Mexico to Rio de Janeiro, Brazil (Ref. 13628). Eastern Atlantic: Madeira (Ref. 13612), Canary Islands, and the coast of West Africa south to equatorial Guinea (Ref. 7404).

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 23.0 cm TL mâle / non sexé; (Ref. 7251)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 18 - 19; Rayons mous dorsaux (Total): 11-13; Épines anales 2; Rayons mous anaux: 18 - 19; Vertèbres: 11 - 13. Diagonal transverse row of cirri on a fleshy base on upper posterior part of each side of head; with 4 irregular dark brown bars; pale edged black spot on opercle; often a dark spot at front of dorsal fin; adult males with red on lower part of head, chest and abdomen (Ref. 13442). Robust, with a sharply pointed or sub obtuse head. Anterior nare is tubular and with an apical lid that prevents the penetration of sand particles (Ref. 94108).

Diurnal, bottom-dwelling species which occur in rocky and rubble shores with algal mats, reefs and seagrass beds. Generally at depths of a few cm (Ref. 13628). Usually seen resting in holes or crevices, and when disturbed quickly move to another crevice. This species is the largest of the labrisomids in the Caribbean region (Ref. 26938). Feed mainly on crustaceans and gastropods (Ref. 13628), brittle stars, sea urchins, fishes and polychaete worms (Ref. 13442). Oviparous, spawn in territories and exhibit paternal care of eggs (Ref. 55747). Larvae are pelagic which eventually settle down at the bottom as juveniles (Ref. 42064).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Exhibits paternal care. Mating begins with three stages of courtship: 1) attraction and identification of prospective mate; 2) arousal and appeasement by nudging (the female initiates this move); 3) synchrony occurs when the female starts to rub the rocky wall in the spawning territory, quivering her body against the rock, shaking her anal fin and keeping her dorsal fin erect, the male meanwhile remained perpendicular, biting the sides of the female's body, dorsal fin and upper side of head, and sometimes rubbing her body laterally with his tail. Release of eggs and sperm follows as the male and female bodies quiver. Nest fanning by the male parent comes after this range of display. Driven out by the male, the female moves away from the spawning area while the male continues to patrol the nest, swimming in circular direction and defending the area against other fish. Each cycle lasts for 65.3 seconds, becoming shorter in duration when there are two females involved in the mating event. One cycle is followed by another after the male has returned from patrolling the nest (Ref. 55747).

Référence principale Upload your references | Références | Coordinateur : Williams, Jeffrey T. | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 18 October 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Aquarium: Commercial

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 23.6 - 28.1, mean 27.4 °C (based on 940 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00955 (0.00494 - 0.01846), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Niveau trophique (Ref. 69278): 3.6 ±0.2 se; based on diet studies.

Résilience (Ref. 120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Fec = 5,000).

Fishing Vulnerability (Ref. 59153): Low vulnerability (13 of 100).

Nutrients (Ref. 124155): Calcium = 74.8 [46.2, 116.0] mg/100g; Iron = 0.701 [0.438, 1.126] mg/100g; Protein = 19.1 [18.1, 20.1] %; Omega3 = 0.128 [0.085, 0.193] g/100g; Selenium = 23.6 [13.4, 41.0] μg/100g; VitaminA = 95.9 [35.7, 258.2] μg/100g; Zinc = 1.59 [1.14, 2.15] mg/100g (wet weight);

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