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; emarginata: Name 'emarginata' from the Latin word meaning 'notched', in reference to the notched caudal 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 18 - 24 m (Ref. 138626). Tropical
Western Central Pacific: Papua New Guinea.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 1.1 cm SL オス/雌雄の選別がない; (Ref. 138626); 1.2 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) : 9 - 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,9-10; absence of elongate spinesp; posteriormost rays of second dorsal fin not reaching caudal fin base when adpressed; anal rays I,9-10, longest rays in middle of fin; pectoral rays 15; absence of pelvic frenum; absence of cephalic sensory canals and associated pores; total longitudinal scales 18-21, median row interrupted below first dorsal fin by scaleless gap; main mass of body scales extending forward from caudal-fin base to below middle of second dorsal fin; colour in alcohol pale yellowish or tan with very few, widely-scattered dark melanophores on head and side of body, largest and most conspicuous on opercle and frontal region; and fins mainly translucent except male holotype with black submarginal stripe on anal fin, and inconspicuous black spotting on pelvic fins and outer portion of dorsal and anal fins of female (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) |
2.9 ±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). 🛈 |