分類 / 名前
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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; ancora: Name from the Latin 'ancora' meaning hooked; referring to the distinctive orange hook-shaped marking on the side of the head; an adjective.
More on authors: Greenfield & Suzuki.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 pelagic-neritic; 深さの範囲 6 - 14 m (Ref. 86696). Subtropical
Western Pacific: Japan (Ryukyu Islands); Indonesia and underwater photographs from the Philippines.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 1.4 cm SL オス/雌雄の選別がない; (Ref. 86696)
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) : 8; 肛門の骨: 1; 臀鰭: 7. This species is distinguished from its congeners by following set of characters: cephalic sensory-pore system pattern group 2 (lacking only IT pore); dorsal/anal fin-ray formula 8/7; pectoral-fin rays simple; 5th pelvic-fin ray 10% of 4th; no distinct dark marks on body; scales not strongly pigmented; caudal fin with 5 irregular bands of circles of dark chromatophores crossing the fin; live or fresh specimens with a hook-shaped orange mark on side of the head (Ref. 86696).
Body shape (shape guide): fusiform / normal; Cross section: oval.
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 T. Suzuki, 2011. Two new goby species of the genus Eviota from the Ryukyu Islands, Japan (Teleostei: Gobiidae). Zootaxa 2812:63-68. (Ref. 86696)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01023 (0.00482 - 0.02174), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.0 ±0.3 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |