Environment: milieu / climate zone / depth range / distribution range
Écologie
marin; eau douce; saumâtre; profondeur 0 - ? m. Tropical
Indo-West Pacific: the most widespread of the four species of Rhynchorhamphus, found from Persian Gulf through Arabian Sea and Bay of Bengal through the Western Central Pacific north to Taiwan and Hong Kong and east to New Guinea and northern Australia.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 15.8, range 15 - 16.5 cm
Max length : 31.0 cm mâle / non sexé; (Ref. 10943)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 13 - 17; Épines anales: 0; Rayons mous anaux: 13 - 16; Vertèbres: 54 - 59. Very strongly pronounced domed upper jaw which is the longest and most arched of the four species of Rhynchorhamphus.
Found in inshore waters (Ref. 75154). Enters freshwaters (Ref 13446).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Collette, B.B. and J. Su, 1986. The halfbeaks (Pisces, Beloniformes, Hemiramphidae) of the Far East. Proc. Acad. Nat. Sci. Philadelphia 138(1):250-301. (Ref. 10943)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 24.9 - 29.2, mean 28.3 °C (based on 1440 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00245 (0.00129 - 0.00466), b=2.94 (2.78 - 3.10), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.2 se; based on size and trophs of closest relatives
Generation time: 0.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (K>1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).