Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; sötvatten; brackvatten pelagic-neritic; amfidrom; djupintervall 30 - ? m (Ref. 10943). Temperate; 34°N - 17°S
Northwest Pacific: Yellow Sea, Pohai Sea, Japan Sea, and the Pacific coast of Japan, extending north to Sakhalin and to Preobrazheniye Bight and Vladivostok in the Gulf of Peter the Great. Recorded from the lower part of the Yangtze River in China. Occurrence of this species south to the Ryukyu Islands and Taiwan needs verification.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?, range 17 - ? cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 637)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 14 - 18; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 15 - 18; Ryggkotor: 59 - 63. Anterior branch of its preorbital canal curved forward at an angle of about 90°. Predorsal scales 66-81; vertebrae 59-63; pectoral fin rays 12-14, usually 13. Lower jaw shorter than head length.
Body shape (shape guide): elongated.
Common in inshore waters. Occurs in the lower part of the Yangtze River in China (Ref. 10943). Forms small schools and feed mainly on zooplankton. Meat delicious. Also caught with dip nets. Used in Chinese medicine (Ref. 12166).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 6.9 - 21.7, mean 18.4 °C (based on 8 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00209 (0.00118 - 0.00371), b=3.07 (2.91 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.45 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming tm=2).
Sårbarhet i fisket (Ref.
59153): Low to moderate vulnerability (30 of 100).
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Sårbarhet för klimatet (Ref.
125649): Very high vulnerability (76 of 100).
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Näringsämnen (Ref.
124155): Calcium = 184 [45, 406] mg/100g; Iron = 0.57 [0.20, 1.52] mg/100g; Protein = 18.2 [15.5, 20.4] %; Omega3 = 0.542 [0.235, 1.493] g/100g; Selenium = 6.23 [2.17, 16.26] μg/100g; VitaminA = 47.2 [10.8, 216.9] μg/100g; Zinc = 0.747 [0.304, 1.983] mg/100g (wet weight);