分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); pradensis: Named for its type locality, rio do Prado, the name of the upstream stretch of rio Jucuruçu.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 热带
South America: Brazil.
南美洲: 巴西。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 11.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 56791)
简单描述
检索表 | 型态特徵 | 形态测量图
脊椎骨: 36 - 37. Differs from its congeners by possessing the supraorbital sensory pores s6 placed close together, a narrow opercular patch of developed odontodes, with 8-10 odontodes, and 8 branched pectoral rays (Ref. 56791).
有别于它的同类藉由持有被放置的眶上的感觉小孔 s 6 靠拢在一起, 一个发展的齿狭窄鳃盖小区块, 有 8-10 个齿 , 与 8个分枝的胸鳍鳍条.(参考文献 56791)
Found mainly in fast moving clear water (Ref. 56791).
主要发现于快速地移动清澈的水域了。 (参考文献 56791)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 巴西。
Sarmento-Soares, L.M., R.F. Martins-Pinheiro, A.T. Aranda and C.C. Chamon, 2005. Trichomycterus pradensis, a new catfish from southern Bahia coastal rivers, northeastern Brazil (Siluriformes: Trichomycteridae). Ichthyol. Explor. Freshwat. 16(4):289-302. (Ref. 56791)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00400 - 0.02388), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Assuming Fec < 100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
