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Teleostei >
Gadiformes (Cods)
鱈形目 (Cods) >
Merlucciidae (Merluccid hakes)
無鬚鱈科 (Merluccid hakes)
Etymology: Merluccius: Latin, mar, maris = the sea + Latin, lucius = pike (Ref. 45335); tasmanicus: Named after its type locality, Tasman Bay (Ref. 57718).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 ? - 91 m (Ref. 57718). 深水域
Western Pacific: Japan and New Zealand. Southeast Pacific and Southwest Atlantic: Patagonian, Chilean and Argentine waters. Based on the geographical distance between the populations and some morphometric and meristic differences observed, assigning a subspecific name to each of these populations seems appropriate.
西太平洋: 日本與紐西蘭。 東南太平洋與西南大西洋: 巴塔哥尼亞, 智利的與阿根廷的水域。 以地理者為依據族群之間的距離與一些型態特徵而體節的不同觀察,分配一個亞種名稱給每一個這些族群似乎很適當。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 37.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 57718)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
臀鰭軟條: 42 - 44. Body stout; body depth 5.4-6.5 times in TL and 4.9-5.9 times in SL; dorsal profile of the head slowly concave, rising to the occiput; orbital diameter 6.1-7.1 times in head length, 2.1-2.2 in snout length and 1.6-1.9 times in interorbital width; lateral line gently bowed over the pectoral fin; in the caudal region it is slowly concave; first dorsal fin rays, 10-12; second dorsal fin rays, 42-43; anal fin rays, 42-44; pectoral fin rays, 13-15; about 164 lateral line scales in the holotype; first gill arch with 2-3+9-11 gill rakers.
身體矮胖的; 體高 5.4-6.5% TL 與 4.9-5.9 標準體長比率; 頭部的背面輪廓慢慢地凹曲, 上升到後腦部; 眼窩的直徑 6.1-7.1 倍頭長, 2.1-2.2 分之一吻長與 1.6-1.9 倍眼間骨寬度; 側線逐漸地在胸鰭之上彎腰; 在尾鰭區域中,它慢慢凹; 第一背鰭鰭條, 10-12; 第二背鰭鰭條, 42-43; 臀鰭棘條, 42-44; 胸鰭鰭條, 13-15; 在 holotype 中的大約 164個側線鱗片; 第一個鰓弓有 2-3+9-11個鰓耙。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西太平洋: 日本與紐西蘭。 東南太平洋與西南大西洋: 巴塔哥尼亞, 智利的與阿根廷的水域。 以地理者為依據族群之間的距離與一些型態特徵而體節的不同觀察,分配一個亞種名稱給每一個這些族群似乎很適當。
Matallanas, J. and D. Lloris, 2006. Description of Merluccius tasmanicus sp nov. and redescription of Merluccius australis (Pisces: Merluciidae). J. Mar. Biol. Ass. U.K. 86:193-199. (Ref. 57718)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (35 of 100).