分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Beloniformes (Needle fishes) >
Hemiramphidae (Halfbeaks)
Etymology: Hyporhamphus: Greek, hypo = under + Greek, rhamphos = beak, bill (Ref. 45335); naos: Named for the Naos Island, Bay of Panama, where the species is common and the site ot the Smithsonian Tropical Research Institute (STRI) Marine Laboratory.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海; 汽水性の pelagic-neritic; 深さの範囲 0 - ? m. Tropical
Eastern Pacific: from Baja California, with strays north to San Diego, CA, south to Paita, Peru and in the Galapagos Islands.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 29.0 cm SL オス/雌雄の選別がない; (Ref. 96012); 最大公表体重: 74.50 g (Ref. 96012)
背鰭 (合計) : 12 - 16. This species is distinguished by the following characters: dorsal and anal fin bases of adults are covered with scales; first gill arch rakers total 29-39, second gill arch rakers total 21-28; pelvic to caudal extension falls anterior to opercle and posterior to upper jaw; for continental population, pelvic to caudal distance usually 0.44-0.47 to SL; preorbital length to orbital diameter usually greater than 0.70 (in 81% of 119 specimens examined) (Ref. 42105).
Body shape (shape guide): elongated.
Inhabits inshore, coastal and estuarine; found along sand beaches, in lower tidal streams and mangroves. Usually encountered in schools at the surface of the water (ref. 42105).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Banford, H.M. and B.B. Collette, 2001. A new species of halfbeak, Hyporhamphus naos (Beloniformes: Hemiramphidae), from the tropical eastern Pacific. Rev. Biol. Trop. 49(1):39-49. (Ref. 42105)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00240 (0.00132 - 0.00435), b=3.11 (2.95 - 3.27), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.0 ±0.4 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (22 of 100). 🛈 |