Environment: milieu / climate zone / Tiefenbereich / distribution range
Ökologie
seewasser; brackwasser demersal; ozeanodrom (Ref. 51243); tiefenbereich 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.
Length at first maturity / Size / Gewicht / Alter
Geschlechtsreife: Lm 16.5, range 16 - 17 cm
Max length : 45.0 cm TL Männchen/unbestimmt; (Ref. 6804); common length : 30.0 cm SL Männchen/unbestimmt; (Ref. 9774)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 71 - 84; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 53 - 62; Wirbelzahl: 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).
Body shape (shape guide): short and / or deep.
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).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | 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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell; Sportfisch: ja
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 21.4 - 28.5, mean 27 °C (based on 1365 cells).
Phylogenetic diversity index (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).
Trophic level (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.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.16; tmax=7).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).
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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);
