Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; saumâtre démersal; profondeur 18 - 22 m (Ref. 26165). Tropical
Indo-Pacific: South Africa (Knysna) eastward to Samoa (Ref. 4919); north to Japan (Ref. 559).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 13.0 cm TL mâle / non sexé; (Ref. 116289); poids max. publié: 46.00 g (Ref. 116289)
Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 8-10; Épines anales 0; Rayons mous anaux: 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).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Smith, M.M., 1986. Triodontidae. p. 894. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4419)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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Estimates based on models
Preferred temperature (Ref.
123201): 22.9 - 29, mean 27.6 °C (based on 144 cells).
Phylogenetic diversity index (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).
Niveau trophique (Ref.
69278): 3.3 ±0.2 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).