分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Blenniiformes (Blennies)
鱸形目 (Blennies) >
Tripterygiidae (Triplefin blennies)
三鰭鳚科 (Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335); gruschkai: Named for Victor Gruschka Springer, doyen of blennioid systematics (Ref. 57774).
Eponymy: Dr Victor Gruschka Springer (d: 1928) is a marine biologist and zoologist who is Senior Scientist emeritus, Division of Fishes at the Smithsonian, NMNH. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 1 - 8 m (Ref. 57774). 熱帶
Western Indian Ocean: appears to be restricted to the islands of the western and central Indian Ocean.
西印度洋: 狀似侷限於島嶼那西方的與印度洋中部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 2.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 57774)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 15 - 16; 背的軟條 (總數) : 8 - 11; 臀棘: 1; 臀鰭軟條: 17 - 19. Dorsal fin III+XII-XIII+8-11 (usually III+XIII+9-10); anal fin I,17-19 (usually 18-19 rays); pectoral fins 15: 2+7+6 (occasionally 3+6+6); lateral line with 14-16 (usually 15) pored scales and 19-23 (usually 20-21) notched scales, notched segment starting next scale row below end of pored segment, below mid-second dorsal fin. Total lateral scales 33; transverse scales 3/5. Vertebrae 10+25. Mandibular pores 3+2+3. Head length 3.1-3.6, body depth 5.4-5.9 in SL;
eye 2.7-3.2 in head length. A medium-sized species of Enneapterygius (less than 30 mm SL). Nape scaled, body scales continuing to bases of dorsal and anal fins; belly naked. Pelvic-fin rays not united by membrane. First dorsal fin equal in height to second, second about 70% of body depth. Simple, lobate orbital and anterior nasal cirri present. Supratemporal sensory canal slightly curved. Tongue triangular and sharply pointed; maxilla reaches vertical through
anterior margin of pupil; broad band of teeth in upper and front of lower jaw; palatines without teeth. Spines of first dorsal fin with small, laterally projecting spinelets (Ref. 57774).
背鰭 3+12 XIII+8-11 的;(通常 3+ XIII+9-10) 臀鰭 I,17-19;(通常 18-19個鰭條) 胸鰭 15: 2+7+6;(偶然地 3+6+6) 側線有 14-16(通常 15)個有細孔的鱗片與 19-23(通常 20-21)個有凹槽的鱗片，有凹槽的分段在有細孔片段的末端之下開始下個鱗片列, 在之中之下-第二背鰭鰭。 總計的側面鱗片 33; 橫跨的鱗片 3/5. Vertebrae 10+25. 顎骨孔 3+2+3. 頭長 3.1-3.6, 體高 5.4-5.9 分之一標準體長;
眼 2.7-3.2 分之一頭長。 一個 Enneapterygius 的中等大小種.(少於 30 mm SL) 後頸覆有鱗片的, 身體鱗片對背鰭基底與臀鰭繼續; 腹面裸露的。 腹鰭鰭條不藉著薄膜聯合了。 第一背鰭在高度方面對第二個等於, 第二的大約 70% 的體高。 單一的, lobate 眼窩而前面的鼻觸鬚呈現。 上顳骨知覺管些微地彎曲。 舌三角形而非常尖的; 顎骨達到垂直的穿越
瞳孔的前緣; 齒的寬的地帶在上面的與下頜的前面; 沒有齒的顎骨。 棘第一背鰭有小又側面突出的 spinelets.(參考文獻 57774)
Female members of the Tripterygiidae have eggs that are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites (Ref. 240). Larvae are planktonic which occur primarily in shallow, nearshore waters (Ref. 94114).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西印度洋: 狀似侷限於島嶼那西方的與印度洋中部。
Holleman, W., 2005. A review of the triplefin fish genus Enneapterygius (Blennioidei: Tripterygidae) in the western Indian Ocean, with descriptions of four new species. Smithiana, Bull. 5:1-25. (Ref. 57774)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 03 May 2010
人類使用
漁業: 沒有興趣
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Estimates based on models
Preferred temperature (Ref.
123201): 25.5 - 29, mean 27.5 °C (based on 120 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).
營養階層 (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
