分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Myleinae
Etymology: Myloplus: Greek, mylos, -ou = grey mullet + Greek, plus, ploos = movement of a serpent.
Eponymy: Paul Planquette (1940–1996) was a native of French Guiana and worked at the Institut National de la Recherche Agronomique, Kourou. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: Mana, Maroni and Essequibo Basins on the Guiana Shield.
南美洲: 在圭亞那盾甲上的超自然力量, Maroni 與 Essequibo 流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 58.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 51090)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 20 - 23; 臀鰭軟條: 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).
出現黑色的末梢部的邊緣在尾鰭上很清晰。 背部有 20 到 23個分支條。 臀鰭有 32 到 34個鰭條。 23 到 29個腹鰭前的鋸齒,5 到 6 supraneurals 在背部之前與 39 到 41+ CP1 脊椎骨那一個 15 到 16+ 在背部的最後支鰭骨後面的 CP1。 延長的體型 (55 到 70% LS) ,而且眼直徑被縮小的。 (6.3 到 12.9% LS) 背鰭基底是短。 (28.8 到 33% LS) 脂鰭是矩形的,而且它的基底是長的。 (4.3 到 6.2% LS)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 在圭亞那盾甲上的超自然力量, 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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
人類使用
漁業: 自給性漁業
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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).
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 to high vulnerability (48 of 100).