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: Helcogramma: Greek, helkos, -eos, -ous = ulcer, sore + Greek, gramma = letter, mark (Ref. 45335); nigra: The specific epithet is from the Latin nigra meaning black. The name refers to the black fins of the males..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 深度上下限 1 - 14 m (Ref. 52308). 熱帶
Western Central Pacific: Papua New Guinea, Vanuatu, and Fiji.
中西太平洋: 巴布亞新幾內亞，萬那度與斐濟。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 90102)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 16 - 17; 背的軟條 (總數) : 11 - 13; 臀棘: 1; 臀鰭軟條: 19 - 21; 脊椎骨: 36 - 38. A species of Helcogramma (sensu Hansen, 1986) with 1-2 symphysial mandibular sensory pores, second dorsal fin spines XIII (two of 26 specimens with XIV), third dorsal fin segmented rays 10-12, last ribs on vertebral centrum 11, vertebrae modally 11+26=37 (value range: 11+25 to 27=36 to 38), pored lateral line scales modally 25 (value range: 23-29), nape scales absent, males with dorsal, caudal and anal fins dark.
一個 Helcogramma( sensu 漢森,1986) 的種有 1-2 個 symphysial 顎骨感覺小孔，第二背鰭鰭棘 XIII(26 中的二標本用 XIV),第三個背鰭分段的鰭條 10-12,在椎骨的椎體 11 上持續肋骨, 脊椎骨典型地 11+26=37(價值範圍: 11+25 到 27=36 到 38), 有細孔的側線鱗片典型地 25(價值範圍: 23-29), 後頸鱗片不存在, 雄性有背鰭、尾鰭與臀鰭深色的。
Adults inhabit exposed rocky and coralline boulders of coasts (Ref. 90102). Eggs 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). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
中西太平洋: 巴布亞新幾內亞，萬那度與斐濟。
Williams, J.T. and J.C. Howe, 2003. Seven new species of the triplefin fish genus Helcogramma (Tripterygiidae) from the Indo-Pacific. aqua, J. Ichthyol. Aquat. Biol. 7(4):151-176. (Ref. 52308)
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Estimates based on models
Preferred temperature (Ref.
123201): 25.5 - 29.4, mean 28.4 °C (based on 964 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00258 - 0.01228), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±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).
