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Trichomycterus yuska Fernández & Schaefer, 2003

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drawing shows typical species in Trichomycteridae.

Argentina country information

Common names: [No common name]
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known only from the type locality: Arroyo Aguas Calientes, Departamento Tinogasta, Provincia de Catamarca, 4,050 m elevation, 27°14'S, 68°16'W (Ref. 52833). Also Ref. 84422.
National Checklist: Argentina
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Fernández, L. and S.A. Schaefer, 2003
National Database:

Common names from other countries

... more

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).

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

; 淡水 底中水层性.   亚热带的

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

South America: endemic to Argentina.
南美洲: 阿根廷的特有种。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 9.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 52833)

简单描述 检索表 | 型态特徵 | 形态测量图

背的软条 (总数) : 10 - 12; 臀鳍软条: 9 - 11; 脊椎骨: 38 - 39. Head and cheek musculature hypertrophied, head shape square in dorsal view; first pectoral fin ray prolonged as a thin, short filament; tip of pelvic fin when depressed not reaching the anus; pectoral fin rays 7-8; pelvic fin short, not extending posteriorly to reach the anus; premaxilla with outer row teeth incisiform, not spatulate (Ref. 52833).
头部与颊的肌肉组织肥大, 头部形状正方形从背面观察; 第一个延长的胸鳍鳍条作为一个细又短的丝状突起; 腹鳍的顶端当扁平的不达到肛门; 胸鳍鳍条 7-8; 腹鳍短, 不向后延伸达到肛门; 前颌骨用外部的列齿凿状牙, 不是竹片状.(参考文献 52833)

生物学特性     字汇 (例如 epibenthic)

Found in a small, clear-water stream with sandy bottom at an elevation of approximately 4,050 m (Ref. 52833). Feeds on aquatic insects (Ref. 52833).

发现于一个小且清澈-水水流了且底部为沙地的地方在海拔大约 4,050 公尺.(参考文献 52833) 吃水生昆虫。 (参考文献 52833)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

南美洲: 阿根廷的特有种。

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

Fernández, L. and S.A. Schaefer, 2003. Trichomycterus yuska, a new species from high elevations of Argentina (Siluriformes: Trichomycteridae). Ichthyol. Explor. Freshwat. 14(4):353-360. (Ref. 52833)

世界自然保护联盟红皮书 (Ref. 130435)

  不评价 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




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 (0.00319 - 0.02993), b=3.02 (2.77 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.2   ±0.40 se; based on food items.
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).