Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser; süßwasser; brackwasser demersal; amphidrom (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).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 14.0 cm SL Männchen/unbestimmt; (Ref. 7050)
Rückenflossenstacheln (insgesamt) : 7; Rückenflossenweichstrahlen (insgesamt) : 9; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 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).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 27.1 - 29.3, mean 28.7 °C (based on 1441 cells).
Phylogenetischer Diversitätsindex (Ref.
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).
Trophische Ebene (Ref.
69278): 3.3 ±0.42 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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