Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; brak water demersaal; diepte 18 - 22 m (Ref. 26165). Tropical
Indo-Pacific: South Africa (Knysna) eastward to Samoa (Ref. 4919); north to Japan (Ref. 559).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 13.0 cm TL mannelijk / geslacht onbekend; (Ref. 116289); max. gepubliceerd gewicht: 46.00 g (Ref. 116289)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 8 - 10; Anale stekels: 0; Anale zachte stralen: 7 - 8. Body covered with prickles (Ref. 559). Dark brown with pale greenish spots above, an intermediate pale yellow zone, white below (Ref. 4919).
Inhabits small loose groups on shallow coastal sand flats and in estuaries. Often sleeps during the day by burrying itself under the sand with just eyes exposed (Ref. 48637).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Smith, M.M., 1986. Triodontidae. p. 894. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4419)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 22.9 - 29, mean 27.6 °C (based on 144 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00682 - 0.02667), b=2.89 (2.72 - 3.06), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.2 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
