Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino; acqua dolce; salmastro demersale; amfidromo (Ref. 138280). Tropical; 29°N - 20°S
Asia and Oceania: Ryukyu Islands in Japan, Taiwan, Philippines, Indonesia, Solomon Islands, New Guinea and northern Australia. Reported from Palau (Ref. 6371), Fiji (Ref. 12743) New Caledonia (Ref. 13235) and Vanuatu (Ref. 97791).
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 14.0 cm SL maschio/sesso non determinato; (Ref. 7050)
Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 9; Spine anali: 1; Raggi anali molli: 8. Distinguished by the following characters: mouth moderate; reaching to a point below anterior margin to middle of eye; operculum with a small patch of 10-20 scales dorsally in 2-3 longitudinal rows; second dorsal rays I,8; pectoral rays 18-21 (usually 19 or 20); predorsal scale count 15-19; one or usually two small lateral canal head pores above anterior operculum just before terminal lateral canal pore; papilla line 6 well developed; papilla lines composed of a single row of papillae; snout length 11.6-13.6% SL ; body with 5 oval, horizontally elongate brown to black spots on midside from second dorsal origin to posterior end of caudal peduncle; spots usually bordered by faint brown lines above and below.
Body shape (shape guide): fusiform / normal.
Adults live in clear streams, usually close to the sea (Ref. 5259). They occur mainly in fresh water, but larvae in marine environment (Ref. 5259).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: scarso interesse commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 27.1 - 29.3, mean 28.7 °C (based on 1441 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.3 ±0.42 se; based on food items.
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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