Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino; acqua dolce; salmastro; distribuzione batimetrica 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 / Size / Peso / Age
Maturity: Lm 15.8, range 15 - 16.5 cm
Max length : 31.0 cm maschio/sesso non determinato; (Ref. 10943)
Spine dorsali (totale): 0; Raggi dorsali molli (totale): 13-17; Spine anali 0; Raggi anali molli: 13 - 16; Vertebre: 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
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale
Informazioni ulteriori
CollaboratoriImmaginiStamps, Coins Misc.SuoniCiguateraVelocitàModalità di nuotoArea branchialeOtolithsCervelliVista
Strumenti
Special reports
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Fonti 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).
Trophic level (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.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (K>1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).