Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά); Γλυκού νερού; Υφάλμυρο pelagic-neritic; ποταμόδρομος (Ref. 51243); εύρος βάθους 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 / Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ?, range 9 - ? cm
Max length : 35.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 85009); common length : 13.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 9843)
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 13 - 16; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 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.
Body shape (shape guide): elongated.
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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: περιορισμένης εμπορικότητας
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 24.8 - 29.2, mean 28.3 °C (based on 1334 cells).
Phylogenetic diversity index (Αναφ.
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).
Τροφικό Επίπεδο (Αναφ.
69278): 3.1 ±0.1 se; based on diet studies.
Ελαστικότητα (Αναφ.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).
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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.
