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Helcogramma billi Hansen, 1986

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drawing shows typical species in Tripterygiidae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | 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).
Eponymy: Dr William Farr ‘Bill’ Smith-Vaniz (d: 1941) collected all the specimens examined by the author. (See Smith-Vaniz) (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 0 - 10 m (Ref. 6211). 熱帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Western Indian Ocean: Sri Lanka; possibly also in nearby areas.
西印度洋: 斯里蘭卡; 可能地也在附近的區域中。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 3.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 6211)

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) : 9 - 11; 臀棘: 1; 臀鰭軟條: 17 - 20; 脊椎骨: 35 - 36. Diagnosis: Dorsal fin III + XIII+ 10-11, second fin twice height of first in males (Comoro Is.); anal fin I + 19-20; pectoral rays 16 (2+7+7); pelvic fin I, 2, spine short and hidden, segmented rays simple, partially united by membrane. Vertebrae 10 + 25-26. LL total lateral scales 38-39, pored series 19-25 (121) scales, terminates at caudal fin base; nape with scales, bases of caudal and anterior of anal fin scaleless. Mandibular pores 2-3+1+2-3. Head length 3.4 in SL; eye 2.8; maxilla 2.2 in HL. Body with 5 H-shaped bars; dorsal, anal and caudal fins pigmented with spots or stripes. Live color not known but in alcohol females and juveniles are paler than males (Ref. 75031).

生物學特性     字彙 (例如 epibenthic)

Adults live on rock surfaces and under ledges; common at depths less than 10 m (Ref. 6211). 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).

生活在岩石表面與岩架下; 普遍於深度小於 10 公尺。

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

西印度洋: 斯里蘭卡; 可能地也在附近的區域中。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Fricke, Ronald | 合作者

Hansen, P.E.H., 1986. Revision of the tripterygiid fish genus Helcogramma, including descriptions of four new species. Bull. Mar. Sci. 38(2):313-354. (Ref. 6211)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)

  無危 (LC) ; Date assessed: 07 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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):  3.0   ±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).