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Teleostei >
Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Myleinae
Etymology: Myloplus: Greek, mylos, -ou = grey mullet + Greek, plus, ploos = movement of a serpent.
Eponymy: Dr Carl Ternetz (1870–1928) was a Swiss-born ichthyologist and naturalist who first collected near Basel (1892) and subsequently collected in South America over a period of more than thirty years (from c. [...] (Ref. 128868), visit book page.
More on author: Norman.
Issue
See Le Bail, P.-Y., A. Margeridon, C. Cauty, P. Planquette, E. Prevost and M. Loir (1989) for reproductive biology.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 6.0 - 7.2; dH range: ? - 15; 河川洄游 (Ref. 51243). 熱帶; 20°C - 25°C (Ref. 2060)
South America: east and northeast Guiana Shield rivers.
南美洲: 東與東北的圭亞那遮蔽河。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 23.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 39031)
Prefers lentic waters where the river banks are steep. Feeds on the leaves of river plants. During the short rainy season, a third of its diet consists of flowers and seeds which they find in the flood zones of the forest (Ref. 12225). The small larvae are zooplanktivores. Reproduction is asynchronous and lasts year round. However, spawning frequency is clearly higher during the rainy season. Is a likely candidate for fish breeding studies (Ref. 27188).
偏愛平靜的水域在哪裡河岸陡峭的。 吃河川植物的樹葉。 在短的雨季的時候，三分之一的它的食性由花與他們在森林的洪水區域中發現的種子組成。 (參考文獻 12225) 小的仔魚是吃浮游動物者。 繁殖是非同步而全年度的。 然而，清楚地產卵頻率在雨季的時候比較高。 是一個有可能的候選魚種為魚類繁殖的研究.(參考文獻 27188)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 東與東北的圭亞那遮蔽河。
Jégu, M., 2003. Serrasalminae (Pacus and piranhas). p. 182-196. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 39031)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 02 January 2021
人類使用
養殖: 將來有可能使用
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02754 (0.01279 - 0.05932), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (tm=1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
