分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Clupeiformes (Herrings)
鯡形目 (Herrings) >
Engraulidae (Anchovies)
鯷科 (Anchovies) > Engraulinae
Etymology: Encrasicholina: Greek, egkrasicholos, -os, -on = mixed with spleen; intermedia: Name from Latin 'intermedia' referring to this species having the intermediate number of gill rakers between those of E. punctifer and E. gloria.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 pelagic-neritic. ; 12°N - 40°S, 15°E - 60°E (Ref. 116573)
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Western Indian Ocean: South Africa, Tanzania, Kenya and India.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 7.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 116573)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
This species is distinguished by the following set of characters: dorsal and anal fins possess two unbranched rays; pseudobranchial filaments 21-26 (modally 24); upper series of gill rakers 20-23 (20) on 1st gill arch, lower 26-28 (26), total 46-50 (46); upper series of gill rakers 13-14 (13) on 2nd gill arch, lower 23-25 (23), total 36-38; upper series of gill rakers 10-12 (11) on 3rd gill arch, lower 12-13 (13), total 23-25 (24); upper series of gill rakers 9-10 (10) on 4th gill arch, lower 9-11 (10), total 19-21 (20); prepelvic scutes 3-6 (5); posterior tip of the upper jaw not reaching to anterior margin of preopercle; length of first unbranched dorsal-fin ray 4.7-5.8% of SL (Ref. 116573).
Body shape (shape guide): elongated; Cross section: circular.
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Hata, H. and H. Motomura, 2016. Two new species of the genus Encrasicholina (Clupeiformes: Engraulidae): E. intermedia from the western Indian Ocean and E. gloria from the Persian Gulf, Red Sea and Mediterranean. Raffles Bull. Zool. 64:79-88. (Ref. 116573)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00525 (0.00247 - 0.01115), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.3 ±0.1 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (11 of 100). 🛈 |