分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Clupeiformes (Herrings) >
Ehiravidae (River sprats)
Etymology: Dayella: Because of Day, Francis; (1878-1888), author of four books related to Indian fishes.
Eponymy: Dr Francis Day CIE (1829–1889) was Inspector-General of Fisheries in India (1871–1877) and Burma and an ichthyologist. [...] (Ref. 128868), visit book page.
More on author: Day.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水; 非产卵性溯降河的 (Ref. 51243). 熱帶; 13°N - 6°N, 73°E - 80°E (Ref. 188)
Asia: Southwestern India.
亞洲: 印度西南部。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 188)
背棘 (总数) : 0; 背的软条 (总数) : 12 - 18; 臀棘: 0; 臀鳍软条: 16 - 27. With 1 to 4 unkeeled and irregular scutes without vertical arms; pelvic scute with vertical arms (not W-shaped, cf. Spratelloides, Dussumieria); no post-pelvic scutes. Snout pointed, lower jaw a little prominent, small but distinct teeth in each jaw; second supra-maxilla long; gill rakers on hind face of third epibranchial (cf. absent in Ehirava fluviatilis).
1 到 4个不隆起的与没有垂直的手臂的不规则的鳞甲; 腹鳍鳞甲有垂直的手臂;(不是 W 形, 比较 Spratelloides, Dussumieria) 没有在腹鳍之后的鳞甲。 吻端尖的, 下颌稍微突出, 小的但是在每个颌中明显的齿; 第二个上颚骨长的; 在第三个上鳃骨的后部面貌上的鳃耙.(比较不存在于 南亚多棱圆鲱［Ehirava fluviatilis］ )
Found in rivers, estuaries (Ref. 188) and coastal waters (Ref. 45255).
发现于河，河口 (参考文献 188) 与沿岸水域了。 (参考文献 45255)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 印度西南部。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
人类利用
渔业: 自给性渔业
工具
特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [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).
营养阶层 (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Dayella malabarica (Day\](/images/thumbnails/gif/tn_Damal_u0.gif "Image of Dayella malabarica (Day\")