Trichomycterus macrophthalmus

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相关物种
- 物种在
  Trichomycterus
- 物种在
  Trichomycteridae
- - 分类 -
- Trichomycterinae
- Trichomycteridae
- Siluriformes
- Teleostei
- Chordata
- Animalia

Trichomycterus macrophthalmus Barbosa & Costa, 2012

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drawing shows typical species in Trichomycteridae.

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); macrophthalmus: Specific name is derived from the Greek makrós (large) and ophthalmós (eye), an uncommon condition among species of Trichomycterus.
More on authors: Barbosa & Costa.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水居于水底的.

分布国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

South America: Known only from the type locality, a small stream tributary to upper Piraí river, Araras hill, upper Paraíba do Sul river basin, Brazil.

大小 / 重量 / 年龄

Maturity: L_m ? range ? - ? cm
Max length : 6.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 89884)

简单描述检索表 | 型态特徵 | 形态测量图

背的软条 (总数) : 11; 臀鳍软条: 9; 脊椎骨: 35 - 36. Distinguished from all congeners from southeastern Brazil by having nine pleural ribs (vs. 10- 17). This is similar to Trichomycterus travassosi and distinguished from all other species of southeastern Brazil by having shorter nasal barbel, its tip reaching eye (vs. between middle of the distance eyeopercular patch of odontodes and pectoral-fin base). Can be separated from T. travassosi by having larger eye (13.2 - 14.6% of head length, vs. 8.5- 10.7 %) and dorsal and lateral midline spots coalesced to form transverse bars (vs. lateral midline spots not confluent to dorsal spots) (Ref. 89884).

Found actively swimming during day time in shallow places (20-40 cm deep) with fast flowing water, usually on gravel substratum, sometimes partially burrowed in the sand (Ref. 89884). Sympatric with Trichomycterus claudiae (Ref. 89884).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼

主要参考文献 Upload your references | 参考文献 | 合作者 : Pinna, Mário de | 合作者

Barbosa, M.A. and W.J.E.M Costa, 2012. Trichomycterus macrophthalmus (Teleostei: Siluriformes: Trichomycteridae), a new species of catfish from the Paraíba do Sul river basin, southeastern Brazil. Verteb. Zool. 62(1):79-82. (Ref. 89884)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)

最不相关 (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

人类利用

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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