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); belensis: Named for its type locality, Departamento Belén..
More on authors: Fernández & Vari.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Laguna Blanca basin in Argentina.
南美洲: 阿根廷。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 6.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 43677)
简单描述
型态特徵 | 形态测量图
背的软条 (总数): 11-13; 臀鳍软条: 9 - 10; 脊椎骨: 36 - 39. Oval premaxilla smaller than the maxilla. Pelvic fins with associated pelvic girdle. Branched dorsal fin rays 7-8. Ribs 15-17. Caudal peduncle compressed. The region anteroventral to the dorsal fin origin unpigmented. Head and body lack the very thick, rugose layer of fatty tissue. Lacks extensive perforation on the skin's surface by ampullary organs (Ref. 43677).
比颚骨小的椭圆形前颌骨。 腹鳍有联合了腰带。 分枝的背鳍鳍条 7-8. 肋骨 15-17. 尾柄扁长形的。 区域前腹的对背鳍起源没有颜色。 头部与身体缺乏脂肪组织的非常厚又多皱纹层。 在壶腹器官的皮肤的表面上缺乏广泛的穿孔。 (参考文献 43677)
Collected from a small, clear water stream, at approximately 3,500 m elevation and 0.5 m deep, running over a sandy bottom and with marginal vegetation limited to grasses. Stomach contents include dipteran larvae (Chironomidae and Simuliidae), coleopterans (Elmidae), trichopterans, and plecopterans (Perlidae) (Ref. 43677).
在大约 3,500 公尺海拔与 0.5 公尺深，采集自一个小且清澈的水水流了, 跑在一个沙质底部与，有杂草丛的地方被仅限于的草之上。 胃内含物包括双翅类昆虫的幼生 (摇蚊与 Simuliidae) ，鞘翅目 (长角泥虫科) ，毛翅目昆虫与 plecopterans(Perlidae) 。 (参考文献 43677)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 阿根廷。
Fernández, L. and R.P. Vari, 2002. New species of Trichomycterus from the Andes of Argentina with a redescription of Trichomycterus alterus (Siluriformes: Trichomycteridae). Copeia 2002(3):739-747. (Ref. 43677)
世界自然保护联盟红皮书 (Ref. 130435)
极度濒危 (CR) (B2ab(iii)); Date assessed: 25 October 2020
人类利用
更多信息
俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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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 (0.00319 - 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).
