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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Ovalentaria/misc (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653); brochus: Name from the Latin word 'brochus' meaning projecting, referring to its protruding teeth.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 底生の; 深さの範囲 20 - 82 m (Ref. 75633). Tropical
Eastern Pacific: upper Gulf of California and Pacific coast of Costa Rica.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 5.4 cm SL オス/雌雄の選別がない; (Ref. 75633); 4.3 cm SL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 11; 背鰭 (合計) : 13; 肛門の骨: 3; 臀鰭: 12; 脊つい: 26. This small (3.9-5.4 cm SL), slender species possess the following combination of characters: dark speckling on head and body; dusky dorsal and anal fins, several black blotches on dorsal fin; short maxilla (0.5-0.9 eye diameters beyond orbit), truncate; long and slender teeth; D 13, A III; 49-57 oblique scale rows in longitudinal series; 28(29)-31 pores in lateral line series; gill rakers on lower limb of first arch 15 (17)-18; anterior nostril with a short tube without cirrus; 16 caudal vertebrae 16 (Ref. 75633).
Body shape (shape guide): elongated.
Collected by otter trawls and dredge. Female specimens at 3.85 and 4.32 cm SL are gravid (Ref. 75633).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Bussing, W.A. and R.J. Lavenberg, 2003. Four new species of eastern tropical Pacific jawfishes (Opistognathus: Opistognathidae). Rev. Biol. Trop. 51(2):529-550. (Ref. 75633)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: bycatch
用具
特記事項
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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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |