分類 / Names
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Teleostei >
Clupeiformes (Herrings) >
Ehiravidae (River sprats)
Etymology: Clupeonella: Latin, clupea = sardine, derived from Clupeus = shield; diminutive (Ref. 45335).
Eponymy: This is a toponym; it refers to Lake Abrau, near Novorossiysk, Russia, the only known distribution of the species. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; 非遷移的 (Ref. 72388). 溫帶; 5°C - 28°C (Ref. 72388); 43°N - 37°N
Europe: Lake Abrau (freshwater, landlocked, at 70 m above sea level, near to Novorossiisk) in Russia; not Lake Apolyont (Turkey), which is linked to Sea of Marmora.
前蘇聯: 湖 Abrau;(淡水的﹐陸封的, 在 70 公尺上方海平面, 靠近對諾沃西比爾斯克) 不是湖 Apolyont(土耳其),是連接到 Marmora 的海洋。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 4.0, range 4 - 4.5 cm
Max length : 9.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 188); 最大年齡: 2.00 年 (Ref. 72388)
背棘 (總數) : 3; 背的軟條 (總數) : 13 - 21; 臀棘: 3; 臀鰭軟條: 12 - 23. Body moderately slender, its depth about 19 to 23% of standard length; head short and narrow, interorbital width not more than 17.5% of standard length; belly sharply keeled, with 23 to 26 scutes. Pectoral fin tips pointed. Pterotic bulla absent. No notch at the center of the upper jaw. Last two anal fin rays enlarged.
身體一般細長, 它的深度大約 19 到 23% 標準長度; 頭部短與狹窄的, 眼間骨寬度不超過 17.5% 的標準長度; 腹面銳利地龍骨,藉由 23 到 26個鱗甲。 胸鰭頂端尖的。 翼的文件印章不存在。 在上頜的中心的沒有凹槽。 最後兩個臀鰭棘條增大了。
Forms schools. Feeds on crustaceans (juveniles feed on copepods, rotifer eggs and plants). Breeds from May to October. The eggs are pelagic, developing rapidly before sinking to the bottom. Matures at 1 year, at 3.5 to 4.5 cm SL.
形成魚群。 吃甲殼動物。 (稚魚吃橈腳類的動物，輪蟲卵與植物) 繁殖從五月對十月。 卵是大洋性的, 快速地在對底部沉沒之前發展。 在 3.5 到 4.5 公分 SL,在 1 年時成熟。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
前蘇聯: 湖 Abrau;(淡水的﹐陸封的, 在 70 公尺上方海平面, 靠近對諾沃西比爾斯克) 不是湖 Apolyont(土耳其),是連接到 Marmora 的海洋。
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
極危 (CR) (B1ab(ii,iii,v)+2ab(ii,iii,v)); Date assessed: 01 January 2008
人類使用
漁業: 自給性漁業
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00366 - 0.02072), b=3.03 (2.83 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±0.34 se; based on food items.
Generation time: 0.7 ( 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 (tm=1; tmax=2).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
