分類 / Names
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Teleostei >
Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Tenualosa: Latin, tenuis = thin + Latin, alausa = a fish cited by Ausonius and Latin, halec = pickle, dealing with the Greek word hals = salt; it is also the old Saxon name for shad = "alli" ; 1591 (Ref. 45335).
More on author: Richardson.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水; 溯河洄游 (Ref. 51243); 深度上下限 0 - 50 m (Ref. 188). 熱帶; 31°N - 5°N, 95°E - 123°E (Ref. 188)
Northwest Pacific: China and possibly southward into South China Sea, but records uncertain. Eastern Indian Ocean: two specimens collected from Phuket Island, Andaman Sea. The species thus overlaps Tenualosa toli in range.
西北太平洋: 中國與可能在南方的進入南中國海之內, 但是記錄不確定的。 東印度洋: 二件標本採集自安達曼海的普吉島了。 此魚種在範圍中與. 托氏鰣〔Tenualosa toli〕 部分重疊。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 47.5, range 44 - 51 cm
Max length : 61.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 45563); common length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 27773); 最大體重: 5.0 kg (Ref. 47439); 最大年齡: 8 年 (Ref. 45563)
背棘 (總數) : 3; 背的軟條 (總數) : 14 - 15; 臀棘: 2; 臀鰭軟條: 16 - 18; 脊椎骨: 44 - 45. Belly with 29 to 34 scutes. Head large; a median notch in upper jaw, which distinguishes it from other similar clupeids, except Hilsa kelee; with a well developed sebaceous eyelids. Gill rakers fine and numerous, each raker with scattered asperities. Caudal fin deeply forked with minute scales. A dark blotch behind gill opening and a series of spots along flank. Color: Metallic blue-green back that lightens to silver along the sides (Ref. 45563).
腹面有 29 到 34個鱗甲。 頭部大的; 在上頜中的一個中央的凹槽,可用來與其他的相似鯡魚區別, 除了 Hilsa kelee 以外; 具有一個發展良好的脂肪眼瞼。 鰓耙細且多, 每個耙有分散的粗暴。 尾鰭深深地分岔有小鱗片。 一個黑色斑塊在後鰓裂與一系列的斑點沿著側面。 顏色: 點亮的鐵藍色-綠色的背面到銀色的沿著側邊.(參考文獻 45563)
Schooling in coastal waters and ascending rivers to breed. Adults are found near the surface at sea while larvae and juveniles spend the first two years of their life in river tide pools and estuaries (Ref. 57990). Feed on planktonic crustaceans like cyclopoids and other copepods, and rotifers (Ref. 45563).
群游於沿岸水域而且溯溪產卵。 成魚被發現在海上的接近水表面而仔魚與稚魚在河潮池與河口度過第一個二年的他們的生活.(參考文獻 57990) 捕食浮游性像 cyclopoids 與其他的橈腳類的動物甲殼動物 , 與輪蟲。 (參考文獻 45563)
Ascend rivers to breed (Ref. 45563). After spawning, the adults go back to the sea while the larvae stay in river mouths during their first year. At the beginning of their second year, the juveniles swim to the sea (Ref. 45563).西北太平洋: 中國與可能在南方的進入南中國海之內, 但是記錄不確定的。 東印度洋: 二件標本採集自安達曼海的普吉島了。 此魚種在範圍中與. 托氏鰣〔Tenualosa toli〕 部分重疊。
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)
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 22.8 - 26.6, mean 25.2 °C (based on 90 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00689 - 0.01827), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.29 se; based on food items.
Generation time: 3.8 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tm=3; tmax=8; K=0.25-0.29; Fec = 1,070,000).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
