分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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
生態學
海洋; 淡水; 半鹹淡水; 非產卵性溯降河的 (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 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 188)
背棘 (總數) : 0; 背的軟條 (總數) : 12 - 18; 臀棘: 0; 臀鰭軟條: 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個不隆起的與沒有垂直的手臂的不規則的鱗甲; 腹鰭鱗甲有垂直的手臂;(不是 W 形, 比較 Spratelloides, Dussumieria) 沒有在腹鰭之後的鱗甲。 吻端尖的, 下頜稍微突出, 小的但是在每個頜中明顯的齒; 第二個上顎骨長的; 在第三個上鰓骨的後部面貌上的鰓耙.(比較不存在於 南亞多棱圓鯡〔Ehirava fluviatilis〕 )
Found in rivers, estuaries (Ref. 188) and coastal waters (Ref. 45255).
發現於河，河口 (參考文獻 188) 與沿岸水域了。 (參考文獻 45255)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 28 February 2017
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 = 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).
營養階層 (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (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\")