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Blenniiformes (Blennies) >
Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335); randalli: Named for J.E. Randall.
Eponymy: Dr John ‘Jack’ Ernest Randall Jr. [...] (Ref. 128868), visit book page.
More on author: Fricke.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 関連する礁; 深さの範囲 0 - 27 m (Ref. 27223). Tropical
Eastern Central Pacific: Austral Islands, French Polynesia.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 3.4 cm SL オス/雌雄の選別がない; (Ref. 54980)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 14 - 16; 背鰭 (合計) : 8 - 10; 肛門の骨: 1; 臀鰭: 15 - 17. Short supraorbital tentacle; first dorsal fin shorter by about 50% than second dorsal fin; females dark bluish gray, bearing black double bars; back with series of pink blotches found on edges of scales; abdomen, chest, cheek, and lips pale gray with black spots; red coloration on top of head; a broad, oblique black band from eye to mouth and on chin; transparent dorsal fin bearing red rays; dusky anal and caudal fins; base of caudal black; males generally black with exception of abdomen and presence of a broad oblique band, that is light gray with black dots, on the cheek; fins colored similar as females except with more black on caudal. Dorsal rays III + XI-XIII + 8-10; lateral line interrupted, 17-21 + 14-18; mandibular pores 4-5 + 1 + 4-5 (Ref. 54980).
Adults are found in shallow depths, including intertidal pools (Ref. 27223). Eggs are hemispherical to somewhat flattened (Ref. 240, 94114).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Fricke, R., 1997. Tripterygiid fishes of the western and central Pacific, with descriptions of 15 new species, including an annotated checklist of world Tripterygiidae (Teleostei). Theses Zool. 29:1-607. (Ref. 27223)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
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
Estimates based on models
Preferred temperature (Ref.
123201): 25.6 - 29, mean 27.8 °C (based on 132 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00288 - 0.01322), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).