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) >
Loricariidae (Armored catfishes)
甲鯰科 (Armored catfishes) > Delturinae
Etymology: Delturus: Greek, deltos, -ou = small board + Greek, oura = tail (Ref. 45335).
More on authors: Eigenmann & Eigenmann.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
South America: Paraíba do Sul River basin.
南美洲: Paraiba do Sul 河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 21.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 36817)
There is very little that is known on the ecology and habitat of this species, for only six specimens exist in collections. Specimens from Rio Pomba (MCP 27296 and MCP 31467) were collected during the night in the main river channel, on a rocky bottom and in a very strong current (Ref. 57859).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: Paraiba do Sul 河流域。
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
極危 (CR) (B2ab(iii)); Date assessed: 07 November 2018
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this 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): Low vulnerability (16 of 100).
