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Gobiiformes (Gobies) >
Gobiidae (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: Greenfield & Randall.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 関連する礁; 深さの範囲 2 - 31 m (Ref. 90102). Tropical
Western Pacific: restricted Fiji; distribution in question until further studies within the E. nigriventris complex (which this species is part of) are completed.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 1.3 cm SL オス/雌雄の選別がない; (Ref. 87726)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 7; 背鰭 (合計) : 9 - 10; 肛門の骨: 1; 臀鰭: 8 - 9. This species is distinguished from its congeners by the following characters: dark band on entire lower body from the head back to the caudal-fin base where it intensifies and ends in a semi-circle; pectoral-fin base with small black dots, more intense dorsally; cephalic sensory pore system lacking the PITO and IT pores and the AITO pore enlarged; dorsal/anal fin-ray formula usually 9/8; pectoral-fin rays simple; spinous dorsal elongate or filamentous in both sexes; genital papilla nonfimbriate; in life dorsal half of body yellowish cream in color, ventral half dark gray to black in type material, varying to dark reddish in others (Ref. 87726); characterized further by longitudinal scale series 23-24; ctenoid scales except cycloid on breast, none on head, nape and pectoral fin base; separated pelvic fins, bases joins by thin membrane; well developed fifth pelvic ray; depth of body 3.5-5.1 in SL (Ref. 90102).
Body shape (shape guide): elongated; Cross section: compressed.
Forms groups among branches of Acropora coral, inhabits in sheltered reefs in 2-31 m (Ref 90102).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Greenfield, D.W. and J.E. Randall, 2011. Two new Indo-Pacific species in the Eviota nigriventris complex (Teleostei: Gobiidae). Zootaxa 2997:54-66. (Ref. 87726)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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モデルに基づく推定値
好ましい温度 (参照
123201): 26.1 - 29.5, mean 28.2 °C (based on 635 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00281 - 0.01706), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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