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); randalli: The species is named in honour of John E. Randall, who collected all the known specimens and provided underwater and fresh photographs of specimens of this and other species..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 深度上下限 2 - 12 m (Ref. 90102). 熱帶
Western Pacific: Indonesia.
西太平洋: 印尼。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.7 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
A species of Helcogramma (sensu Hansen, 1986) with 14 symphisial mandibular sensory pore, second dorsal fin spines XIV-XV (one of 11 specimens with XIII), third dorsal fin segmented rays 11-12, last ribs on vertebral centrum 12, vertebrae modally 10+28=38 (value range: 10+27 to 29=37 to 39), pored lateral line scales modally 22 or 23 (value range: 22-25), nape scales present, male with thirs dorsal, caudal and anal fins dark and posterior half of body dark.
具有 14個 symphisial 顎骨感覺小孔的一個 Helcogramma( sensu 漢森,1986) 的種, 第二背鰭鰭棘 XIV-XV(11件標本之一用 XIII), 片段鰭條 11-12 的第三個背鰭,在椎骨的椎體 12 上持續肋骨, 脊椎骨典型地 10+28=38(價值範圍: 10+27 到 29=37 到 39), 有細孔的側線鱗片典型地 22 或 23(價值範圍: 22-25), 後頸鱗片呈現, 雄魚有 thirs 背鰭、尾鰭與臀鰭深色的與身體的後半段深色的。
Adults are found in rocky boulders of exposed 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).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西太平洋: 印尼。
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
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): 3.1 ±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).
![Image of Helcogramma randalli (Randall\](/images/thumbnails/jpg/tn_Heran_m0.jpg "Image of Helcogramma randalli (Randall\")
![Image of Helcogramma randalli (Randall\](/images/thumbnails/jpg/tn_Heran_f0.jpg "Image of Helcogramma randalli (Randall\")
