Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino; acqua dolce; salmastro demersale; amfidromo (Ref. 51243); distribuzione batimetrica 0 - 5 m (Ref. 86942). Tropical
Asia: India to the Philippines and north to Japan. Oceania: Fiji (Ref. 12743); French Polynesia (Ref. 12792); and, New Caledonia and Vanuatu (Ref. 38002).
Size / Peso / Age
Maturità: Lm ?  range ? - ? cm
Max length : 15.5 cm TL maschio/sesso non determinato; (Ref. 11344)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 10; Spine anali: 1; Raggi anali molli: 10; Vertebre: 26. A black ocellus on the posterior part of the first dorsal fin. Upper jaw thick and slightly extended. The cheek and upper portion of operculum scaled.
Body shape (shape guide): fusiform / normal; Cross section: circular.
Found on fine gravel bottoms from estuaries to fresh water of rivers.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 24.6 - 29.3, mean 28.4 °C (based on 1666 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00444 - 0.02153), b=3.04 (2.85 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 2.3 ±0.1 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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