Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; profondeur 1 - 50 m (Ref. 3790). Subtropical; 52°N - 34°S, 98°W - 34°W
Western Atlantic: Newfoundland (Canada), Bermuda, and northern Gulf of Mexico to Argentina, including the Caribbean (Ref. 3790). Eastern Atlantic.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 20.0 cm TL mâle / non sexé; (Ref. 7251); common length : 10.0 cm TL mâle / non sexé; (Ref. 3790)
Épines dorsales (Total) : 2; Rayons mous dorsaux (Total) : 29 - 37; Épines anales: 0; Rayons mous anaux: 28 - 36. Snout prominently projecting but not very elongate; first dorsal spine originating above posterior part of eye; adult males with two pairs of enlarged recurved spines on each side of caudal peduncle; spines of females only slightly larger than other scale spinules of caudal peduncle (Ref. 13442).
Body shape (shape guide): short and / or deep.
Occurs in shallow water down to 50 m depth, over sandy and rocky bottoms, but more commonly in grass beds (Ref. 3790). Often seen moving head down among seagrass blades (Ref. 9710). The young are often associated with floating Sargassum (Ref. 3720). Feeds on plants and algae, and also on small crustaceans (Ref. 3720). Rarely consumed (Ref. 3790).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Distinct pairing (Ref. 205).
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: Version 2025-2 (Global))
Menace pour l'homme
Reports of ciguatera poisoning (Ref. 30303)
Utilisations par l'homme
Pêcheries: pêcheries vivrières; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01349 (0.00875 - 0.02080), b=2.87 (2.74 - 3.00), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Niveau trophique (Réf. 69278) |
2.7 ±0.2 se; based on diet studies. |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (25 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
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Nutriments (Ref. 124155) |
Calcium = 35.8 [14.4, 118.8] mg/100g; Iron = 0.713 [0.328, 1.784] mg/100g; Protein = 18.6 [16.3, 20.8] %; Omega3 = 0.162 [0.073, 0.328] g/100g; Selenium = 15.5 [6.4, 37.2] μg/100g; VitaminA = 38.6 [9.1, 169.8] μg/100g; Zinc = 0.952 [0.572, 1.628] mg/100g (wet weight); |