Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; brak water demersaal; oceanodroom (Ref. 51243); diepte 0 - 200 m (Ref. 30573). Tropical; 35°N - 36°S
Indo-West Pacific: Persian Gulf and east coast of Africa (south to Algoa Bay and perhaps to Knysna, South Africa) to Fiji, north to southern Japan, south to the northern coast of Australia.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 16.5, range 16 - 17 cm
Max length : 45.0 cm TL mannelijk / geslacht onbekend; (Ref. 6804); common length : 30.0 cm SL mannelijk / geslacht onbekend; (Ref. 9774)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 71 - 84; Anale stekels: 0; Anale zachte stralen: 53 - 62; Wervels: 36. Some pairs of moderately large canines in anterior part of both jaws, 6 to 13 lateral teeth in lower jaw, stronger and more widely spaced than those of upper jaw. Gill rakers pointed, longer than broad. Soft ray count of pectoral fin refers to that on ocular side (Ref 9774).
Found in shallow waters and estuaries, on mud and sand bottoms, to depths of 200 m (Ref. 30573). Juveniles common in brackish water (Ref. 9774). Feeds on benthic animals (Ref. 5213). Mainly sold fresh (Ref. 9774).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Distinct pairing (Ref. 205).
Desoutter, M., 1986. Bothidae. p. 428-429. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 6804)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; sportvis: ja
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 21.4 - 28.5, mean 27 °C (based on 1365 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00476 - 0.00728), b=3.16 (3.11 - 3.21), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.2 ±0.7 se; based on diet studies.
Generation time: 6.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.16; tmax=7).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
Nutrients (Ref.
124155): Calcium = 105 [47, 197] mg/100g; Iron = 0.9 [0.5, 1.7] mg/100g; Protein = 16.9 [14.8, 18.9] %; Omega3 = 0.154 [0.076, 0.302] g/100g; Selenium = 62.3 [26.9, 142.5] μg/100g; VitaminA = 25.3 [6.7, 101.3] μg/100g; Zinc = 0.9 [0.6, 1.4] mg/100g (wet weight);