Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser; süßwasser; brackwasser; potamodrom (Ref. 51243); tiefenbereich 0 - ? m. Tropical
Indo-West Pacific: Persian Gulf to China along the mainland coast of Asia. Replaced in the East Indies, Borneo, and the Philippines by Hyporhamphus neglectus and around northern Australia and southern New Guinea by Hyporhamphus neglectissimus.
Length at first maturity / Size / Gewicht / Alter
Maturity: Lm ?, range 9 - ? cm
Max length : 35.0 cm TL Männchen/unbestimmt; (Ref. 85009); common length : 13.0 cm SL Männchen/unbestimmt; (Ref. 9843)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 13 - 16; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 13 - 16. Greatly prolonged, beak-like lower jaw, equal to, or longer than head length; upper jaw short, triangular and scaly, its width 0.6-0.8 times in its length. Preorbital distance 1.3-2.1 times in diameter of orbit and 0.75-1.2 times in length of upper jaw. Total number of gill rakers on first gill arch 23-37. Anal fin rays 13-16; caudal fin emarginate, not strongly forked.
Coastal species. Found at surface levels of tidal freshwaters and brackish estuaries (Ref. 12693). Encountered in the Mekong as far upstream as Stung Treng and also found in the Great Lake, Cambodia (Ref. 12693). Feed mainly on insects (Ref. 12693, 33813). Marketed fresh and dried salted.
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
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 Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 24.8 - 29.2, mean 28.3 °C (based on 1334 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00260 - 0.00734), b=3.05 (2.91 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.1 se; based on diet studies.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).
Nutrients (Ref.
124155): Calcium = 626 [155, 1,421] mg/100g; Iron = 1.71 [0.67, 4.68] mg/100g; Protein = 17.9 [15.1, 20.0] %; Omega3 = 0.204 [0.090, 0.592] g/100g; Selenium = 29 [12, 63] μg/100g; VitaminA = 68.8 [19.4, 231.8] μg/100g; Zinc = 1.68 [0.71, 4.35] mg/100g (wet weight); based on
nutrient studies.
