分類 / Names
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Beloniformes (Needle fishes) >
Hemiramphidae (Halfbeaks)
Etymology: Hyporhamphus: Greek, hypo = under + Greek, rhamphos = beak, bill (Ref. 45335).
Eponymy: Monsieur Picart is said to have contributed natural history specimens from Cádiz, Spain, to the ‘King’s Cabinet’, but no further elaboration is made. (Ref. 128868), visit book page.
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
生態学
海; 汽水性の 底生の漂泳性; 深さの範囲 0 - ? m. Subtropical; 37°N - 9°S, 18°W - 36°E
Eastern Atlantic: West to Gibraltar, Morocco and Dakar, Senegal to Luanda, Angola. Eastern Mediterranean: From Lebanon and Israel.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm TL オス/雌雄の選別がない; (Ref. 26999); common length : 15.0 cm TL オス/雌雄の選別がない; (Ref. 26999)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 13 - 16; 肛門の骨: 0; 臀鰭: 13 - 17. Diagnosis: body elongate; lower jaw forming long, narrow beak; upper jaw short, triangular and scaled; scales on snout; well developed preorbital crest between eye and nasal pit; pelvics fin abdominal; dorsal and anal fins placed far back on body and spineless; caudal fin slightly forked (Ref. 57227).
Occurs in coastal waters. Often enters estuaries (Ref. 2683). Live on or near the bottom where it feeds on algae and organic debris which it gathers from the surface of the sediment (Ref. 5377). Forms schools. Attracted to lights at night. Eggs are attached to aquatic vegetation by sticky threads (Ref. 6730).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Collette, B.B. and N.V. Parin, 1990. Hemiramphidae. p. 579-582. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 4497)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 商業
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 18.4 - 27.9, mean 21.9 °C (based on 146 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00115 - 0.00574), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
