Helcogramma albimacula, Whitespot triplefin

Helcogramma albimacula Williams & Howe 2003

Whitespot triplefin
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This map was computer-generated and has not yet been reviewed.
Helcogramma albimacula   AquaMaps   Data sources: GBIF OBIS
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Actinopteri > 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);  albimacula: The species epithet is a combination of the Latin "albus", meaning white, and "macula", meaning spot. The name refers to the pale spot on the ventral part of the pectoral fin base of preserved specimens and is treated as Noun in apposition.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 海洋 底中水層性; 深度上下限 0 - 5 m (Ref. 52308).   熱帶

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Western Pacific.
西太平洋: 已知來自菲律賓了。 (參考文獻 52308)

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 4.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 90102)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 16 - 18; 背的軟條 (總數): 112; 臀棘 1; 臀鰭軟條: 20 - 22; 脊椎骨: 37. A species of Helcogramma (sensu Hansen, 1986) with 2 symphysial mandibular sensory pores, second dorsal fin spines usually XIV (two of 80 specimens with XIII and 11 with XV), third dorsal fin segmented rays 10-11, last ribs on vertebral centrum 10, vertebrae modally 10+27=37, pored lateral line scales modally 19 or 20, nape scales present, males with dusky anal fin, both sexes with distinctive pale (red in life), oblong streak over lowest pectoral fin ray bases, adult males first dorsal elongate, reaching base of fourth to sixth spine of second dorsal fin when depressed (Ref. 52308).
一個 Helcogramma( sensu 漢森,1986) 的種有兩個 symphysial 顎骨感覺小孔, 第二背鰭鰭棘通常 XIV(80 中的二標本用 XIII 與 11 具有 XV), 第三個背鰭片段了鰭條 10-11,在椎骨的椎體 10 上持續肋骨, 脊椎骨典型地 10+27=37, 有細孔的側線鱗片典型地 19 或者 20, 後頸鱗片存在的, 雄性有暗色的臀鰭, 兩性有特殊的在最低的胸鰭鰭條基底上的灰白 (紅色的活著時) 又長方形條紋 , 雄性成魚第一背鰭延長, 達到第二背鰭鰭的第四的到第六的根棘的基底當扁平的.(參考文獻 52308)

生物學特性     字彙 (例如 epibenthic)

Adults are found at depths of 5 m and shallower, in surge channels and exposed boulders (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 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

西太平洋: 已知來自菲律賓了。 (參考文獻 52308)

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

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)

IUCN 瀕危狀態 (Ref. 123251)

  無危 (LC) ; Date assessed: 03 May 2010

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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  無害處的





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Estimates based on models

Preferred temperature (Ref. 115969): 28 - 29.3, mean 28.8 °C (based on 659 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00246 - 0.01227), 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.).
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .