分类 / Names
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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.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Mana, Maroni and Essequibo Basins on the Guiana Shield.
南美洲。 在圭亞那盾甲上的 Mana , Maroni 與 Essequibo 流域。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 58.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 51090)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 20 - 23; 臀鳍软条: 32 - 34; 脊椎骨: 40 - 41. Presence of a black distal margin well defined on the caudal fin. Dorsal with 20 to 23 branched rays. Anal with 32 to 34 rays. 23 to 29 prepelvic serrae, 5 to 6 supraneurals in front of the dorsal and 39 to 41 + CP1 vertebrae of which 15 to 16 + CP1 behind the last pterygiophore of the dorsal. Elongated body shape (55 to 70% of LS) and the eye diameter is reduced (6.3 to 12.9% of LS). The dorsal base is short (28.8 to 33% of LS). The adipose fin is rectangular and its base is long (4.3 to 6.2% of LS).
出现黑色的末梢部的边缘在尾鳍上很清晰。 背部有 20 到 23个分支条。 臀鳍有 32 到 34个鳍条。 23 到 29个腹鳍前的锯齿,5 到 6 supraneurals 在背部之前与 39 到 41+ CP1 脊椎骨那一个 15 到 16+ 在背部的最后支鳍骨后面的 CP1。 延长的体型 (55 到 70% LS) ,而且眼直径被缩小的。 (6.3 到 12.9% LS) 背鳍基底是短。 (28.8 到 33% LS) 脂鳍是矩形的,而且它的基底是长的。 (4.3 到 6.2% LS)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲。 在圭亞那盾甲上的 Mana , Maroni 與 Essequibo 流域。
Jégu, M., P. Keith and P.-Y. Le Bail, 2003. Myloplus planquettei sp. n. (Teleostei, Characidae), une nouvelle espèce de grand Serrasalminae phytophage du bouclier guyanais. Rev. Suisse Zool. 110 (4):833-853. (Ref. 51090)
人类利用
渔业: 自给性渔业
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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=0.02570 (0.01204 - 0.05486), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (48 of 100).