分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Pimelodidae (Long-whiskered catfishes)
油鯰科 (Long-whiskered catfishes)
Etymology: Pseudoplatystoma: Greek, pseudes = false + Greek, platys = flat + Greek, stoma = mouth (Ref. 45335); magdaleniatum: Named for the Magdalena River, Colombia to which this species is endemic..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
South America: Magdalena River drainage, including Cauca River in Colombia.
南美洲: Magdalena 河流域, 包括在哥倫比亞的 Cauca 河。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 100.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 59362)
簡短描述
型態特徵 | 形態測量圖
脊椎骨: 43. Can be diagnosed by a combination of the following characters: rays on dorsal and ventral lobes of caudal fin with fused branches or not separated as in other species of Pseudoplatystoma; wide straight, dark vertical bars on sides; absence of loops on nape and associated areas; dorsal and ventral regions of pectoral fin pale with no spots; dorsal fin with few or no spots (sometimes 5 spots); 43 vertebrae; adipose fin with 6-7 large spots; areas surrounding the procurrent rays of dorsal fin without spots; posterior region of the metapterygoid wider than in other species, forming a depression or notch in the dorsal margin of the suspensorium (Ref. 59362).
能被下列特徵的一個組合鑑定: 在背部與腹葉上的鰭條尾鰭有融合的分支在其他種的 Pseudoplatystoma 區分為; 在側邊上的寬的直又深色的縱帶; 在後頸與相連的區域上缺乏環; 胸鰭的背部與腹區域灰白的沒有斑點; 背鰭有很少或沒有斑點;(有時 5個斑點) 43個脊椎骨; 脂鰭有 6-7 大的斑點; 區域圍住沒有斑點的背鰭的前流鰭條; metapterygoid 的在後部區域在其他的種方面寬, 在 suspensorium 的背部邊緣中形成一個凹窪或凹槽。 (參考文獻 59362)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: Magdalena 河流域, 包括在哥倫比亞的 Cauca 河。
Buitrago-Suárez, U.A. and B.M. Burr, 2007. Taxonomy of the catfish genus Pseudoplatystoma Bleeker (Siluriformes: Pimelodidae) with recognition of eight species. Zootaxa 1512:1-38. (Ref. 59362)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (A2d); Date assessed: 10 October 2014
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00254 - 0.00623), b=3.14 (3.01 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 4.3 ±0.8 se; based on size and trophs of closest relatives
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
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): High vulnerability (60 of 100).
