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Eviota melasma Lachner & Karnella, 1980

Headspot dwarfgoby
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Eviota melasma   AquaMaps   Data sources: GBIF OBIS
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Image of Eviota melasma (Headspot dwarfgoby)
Eviota melasma
Picture by González-Cabello, A.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) 鱸形目 (Perch-likes) > Gobiidae (Gobies) 鰕虎魚科 (Gobies) > Gobiinae
Etymology: Eviota: No etymology given, suggested by Christopher Scharpt: from Latin 'eu' for 'true' and 'iota' for anything very small, in combination 'truly very small' referring to it as being the smallest vertebrate at the time it has benn described by Jenkins (thus, making the suggestion by Scharpt plausible..  More on authors: Lachner & Karnella.

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

; 海洋 礁區魚類; 深度上下限 ? - 44 m (Ref. 86942).   熱帶; 25°N - 24°S

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

Western Pacific: Australia. Records from other areas may represent different species, from Cocos-Keeling Islands throughout the East Indies; in the south from Bali eastwards to Samoa and New Caledonia and southward to Australia (Scott Reef and the southern Great Barrier Reef); in the north extending to the Yaeyama Islands of Japan and eastward to Micronesia (Palau, FSM - Truk and Enewetak, and the Marshall Islands). Records from Fiji refers to Eviota karaspila.
西太平洋: 可可群島-基靈群島到薩摩亞, 北至八重山群島, 南至史考特礁 (?) 而且大堡礁的南方; 在密克羅尼西亞的帛琉,特拉克島與愛尼威塔克環礁。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 3.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 48637)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 5 - 7; 背的軟條 (總數): 8-10; 臀棘 1; 臀鰭軟條: 8 - 9. Characterized by semi-transparent body with red-brown internal bars; irregular reddish blotches on nape; presence of intense black spot above gill opening; three red blotches separated by white or yellow bars on side of belly; base of pectoral fin with narrow white band; longitudinal scale series 23-25; ctenoid scales, absent on head and breast; separated pelvic fins, thin membrane joining bases; depth of body 6.5-7.7 in SL (Ref. 90102). Dorsal to anal fin-ray formula 9/8 (Ref. 116739).

生物學特性     字彙 (例如 epibenthic)

Found on rocks of corals reefs in the infralittoral zone (Ref. 559, 48637). Solitary or in groups, resting at bottom (Ref 90102). Spawning appears to be repeated on a regular cycle, semilunar or every 14 days (Ref. 116739).

在潮間帶以下的區域中棲息於珊瑚礁的岩石了。 (參考文獻 559)

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

西太平洋: 可可群島-基靈群島到薩摩亞, 北至八重山群島, 南至史考特礁 (?) 而且大堡礁的南方; 在密克羅尼西亞的帛琉,特拉克島與愛尼威塔克環礁。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)

IUCN 瀕危狀態 (Ref. 120744)

  無危 (LC) ; Date assessed: 09 March 2015

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Preferred temperature (Ref. 115969): 25.4 - 28.9, mean 27.9 (based on 524 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00267 - 0.01297), b=3.10 (2.91 - 3.29), 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
Generation time: 0.1 ( na - na) years. Estimated as median LN(3)/K based on 1 growth studies.
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) .