分類 / 名前
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Grallenia: Named for Gerald R. Allen, (G+R+Allen+suffix '-ia'), in honor of his great contribution to our knowledge of the diversity of coral-reef fishes; nigrimarginata: Name 'nigrimarginata' from the Latin word meaning 'black-margined', in reference to the black margin on the male anal fin of the new species.
Eponymy: Dr Gerald Ray Allen (d: 1942) The genus was named to honour “…his great contribution to our knowledge of the diversity of coral-reef fishes.” (See Allen, GR) (Ref. 128868), visit book page.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 関連する礁; 深さの範囲 15 - 25 m (Ref. 138626). Tropical
Western Central Pacific: Indonesia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 1.2 cm SL オス/雌雄の選別がない; (Ref. 138626); 1.4 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) : 7; 背鰭 (合計) : 8 - 10; 肛門の骨: 1; 臀鰭: 9 - 10. This species is distinguished from its congeners by the following set of characters: dorsal rays VI + I,8-10 (usually 9); anal rays I,9-10 (usually 9); pectoral rays 15-17 (usually 15, rarely 17); absence of elongate dorsal spines; absence of pelvic frenum; absence of cephalic sensory canals and associated pores; total longitudinal scales 19-26 (mean 22.6), including 3-6 (mean 4.6) scales immediately behind pectoral fin and 15-21 (mean 18) on posterior portion of body; main mass of body scales extending forward from caudal-fin base to about junction between dorsal fins; colour in alcohol pale yellowish and mainly unmarked except four widely spaced; tiny brown spots or horizontally elongate streaks in mid-lateral row on side of body and clusters of melanophores on side and frontal region of head; male clearly distinguished by black margin on anal fin (on both live and preserved fish); and red or orange stripes on dorsal fins of live individuals (Ref. 138626).
Body shape (shape guide): elongated; Cross section: oval.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Allen, G.R. and M.V. Erdmann, 2024. Appendix: Descriptions of twenty-four new species of reef fishes from the East Indian region. pp. 1270-1367. In Reef Fishes of the East Indies (2nd ed., Vol. 3). Tropical Reef Research. (Ref. 138626)
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=0.00741 (0.00346 - 0.01589), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.0 ±0.3 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 (10 of 100). 🛈 |