Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 1 - 15 m (Ref. 95687). Subtropical; 42°N - 34°S, 98°W - 23°E
Western Atlantic: Cape Cod, Massachusetts (USA) to Brazil. Also found in Argentina (Ref. 86336). Eastern Atlantic: Madeira Island (Ref. 74541), São Tiago Island (Cape Verde) and Angola (Ref. 7373); Sao Tome Island (Ref. 30488).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 90.0 cm SL mannelijk / geslacht onbekend; (Ref. 6547); common length : 45.0 cm TL mannelijk / geslacht onbekend; (Ref. 3725); max. gepubliceerd gewicht: 3.9 kg (Ref. 40637)
Dorsale stekels (totaal): 11; Dorsale zachte stralen (totaal): 13-15; Anale stekels 3; Anale zachte stralen: 12 - 13. grey with longitudinal brassy stripes on body and 2 brassy horizontal bands on head. Opercular membrane slightly pigmented. Each jaw with a regular row of close-set, strong, incisor-like, round-tipped teeth of a peculiar hockey-stick shape, their bases set horizontally, resembling a radially striated bony plate inside mouth (Ref 52729).
Inhabits shallow waters, especially over rocky bottoms in coral reef areas; also among floating Sargassum weeds (Ref. 3725). Feeds on algae including much Sargassum (Ref. 5521). Marketed fresh (Ref. 3725).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang; sportvis: ja
Meer informatie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingNutrientsMassaconversie
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Estimates based on models
Preferred temperature (Ref.
123201): 23.1 - 28.1, mean 27.2 °C (based on 980 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01585 (0.00753 - 0.03337), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.0 ±0.0 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming tm>4).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (66 of 100).
Nutrients (Ref.
124155): Calcium = 22.2 [7.9, 36.8] mg/100g; Iron = 0.517 [0.274, 0.887] mg/100g; Protein = 19.3 [18.1, 20.6] %; Omega3 = 0.129 [0.067, 0.243] g/100g; Selenium = 16.3 [6.9, 38.1] μg/100g; VitaminA = 29.4 [7.0, 115.5] μg/100g; Zinc = 0.995 [0.647, 1.519] mg/100g (wet weight);
