分類 / 名前
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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); helvolus: Name 'helvolus' from the Latin word meaning 'pale yellow', in reference to the predominant coloration of the new species.
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 ? - 300 m (Ref. 128653). Tropical
Western Central Pacific: New Caledonia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 4.0 cm SL オス/雌雄の選別がない; (Ref. 128653)
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) : 10; 肛門の骨: 2; 臀鰭: 10; 脊つい: 26. This species is distinguished from its congeners by the following set of characters: rigid upper jaw lacking flexible lamina posteriorly, extending about 0.4 eye diameters behind posterior margin of orbit; infraorbitals moderately slender and tubular, 3rd infraorbital much larger with short posterolateral projecting arm ending with sensory canal opening, suborbital shelf absent; nape and cheek scaly; D XI, 10; A II, 10; vertebrae 10+16; spinous dorsal fin with a prominent ocellus between spines 3-6; anal fins mostly yellow; body scales brown. (Ref. 128653).
Body shape (shape guide): elongated; Cross section: compressed.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Smith-Vaniz, W.F., 2023. Review of Indo-West Pacific jawfishes (Opistognathus: Opistognathidae), with descriptions of 18 new species. Zootaxa 5252(1):1-180. (Ref. 128653)
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: 興味がない
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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): 3.2 ±0.5 se; based on size and trophs of closest relatives
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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