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Teleostei >
Cypriniformes (Carps) >
Acheilognathidae (Bitterlings)
Etymology: Acheilognathus: Greek, a = without + Greek, cheilos = lip + Greek, gnathos = jaw (Ref. 45335).
More on authors: Jordan & Thompson.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水; 半咸淡水 底中水层性; 深度上下限 ? - 40 m (Ref. 78070). 温带; 10°C - 25°C (Ref. 13614)
Asia: Japan. Five subspecies were recognized: Acheilognathus tabira erythropterus Pacific Ocean side of eastern Honshu (Miyagi, Tochigi, Ibaraki, Chiba Prefectures and Tokyo Metropolis); Acheilognathus tabira jordani in Japan Sea side of western Honshu (Toyama, Ishikawa, Fukui, Tottori and Shimane Prefectures); Acheilognathus tabira nakamurae in Kyushu area; Acheilognathus tabira tabira in Western Honshu; and Acheilognathus tabira tohokuensis in Japan Sea side of eastern Honshu (Akita, Yamagata, Fukushima in western area and Niigata Prefectures).
亚洲: 长江流域 (参考文献 33793) 与日本.(参考文献 559)
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 7.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 78070)
背的软条 (总数) : 11 - 14; 臀鳍软条: 11 - 13; 脊椎骨: 35 - 38. Can be diagnosed by having the following characters: dorsal fin with iii, 9-11 rays; anal fin with iii, 9-10 rays; dorsal fin in males grayish; anal fin in nuptial males white; absence of black blotch on dorsal fin in juveniles; eggs short ellipsoid, ratio of major axis to minor axis, 1.4-1.7 (Ref. 78070).
Body shape (shape guide): fusiform / normal.
Inhabits rivers, creeks, lakes and ponds in plains. Also occurs in mouths of rivers draining into lagoons, in rocky shores of rivers and irrigation creeks, and in floodplain pools. Deposits its eggs into host mussels (Ref. 78070).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until they can swim (Ref. 43281).亚洲: 长江流域 (参考文献 33793) 与日本.(参考文献 559)
Doi, A., R. Arai and H.-Z. Liu, 1999. Acheilognathus macromandibularis, a new bitterling (Cyprinidae) from the lower Changjiang basin, China. Ichthyol. Explor. Freshwat. 10(4):303-308. (Ref. 39330)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
临近濒危 (NT) (B2ab(i,ii,iii,iv,v)); Date assessed: 08 December 2017
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00505 - 0.02383), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Assuming Fec < 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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