Psilorhynchus nudithoracicus, Rainbow minnow

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Psilorhynchus nudithoracicus Tilak & Husain, 1980

Rainbow minnow
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Image of Psilorhynchus nudithoracicus (Rainbow minnow)
Psilorhynchus nudithoracicus
Picture by Bakalial, B.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cypriniformes (Carps) > Psilorhynchidae (Mountain carps)
Etymology: Psilorhynchus: Greek, psilos = hairless + Greek, rhyngchos = snout (Ref. 45335).

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

; 淡水 居于水底的. 熱帶

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

Asia: Ganges River drainage in Bangladesh, India and Nepal; Brahmaputra River drainage in Bangladesh and India; and Meghna and Sungu River drainages in Bangladesh and India.
亞洲: 孟加拉。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 8.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 102605)

简单描述 型态特徵 | 形态测量图

背的软条 (总数): 12-13; 臀鳍软条: 8; 脊椎骨: 34. Differs from other species of Psilorhynchus by the presence of large and flap-like skin folds at the lateral corner of the mouth, which reach further posteriorly than the lower jaw cushion and are covered in large 'head of cauliflower' papillae (vs. skin folds not reaching past posteriormost part of lower jaw cushion, non-papilliated or with small dome-like papillae). Can be further diagnosed from other members of P. nudithoracicus species group by the possession of the following characters: two dorsal saddles positioned at dorsal-fin origin; L+2 row present, composed of 5-10 obvious dark brown blotches; mostly 17+17 vertebrae. Can be further separated from P. melissa by its dorsal fin with irregular dark brown or black margins (vs. dorsal fin marked with a dark brown or black band along distal edge); from P. robustus by having dorsal saddles posterior to the dorsal fin poorly developed (vs. dorsal saddles posterior to the dorsal fin well-developed), and by having the anteriormost lateral blotch equal in size or smaller than more posterior blotches (vs. anteriormost lateral blotch larger than more posterior blotches), and from P. tenure by having 9-10+9 principal caudal-fin rays (vs. 9+8); caudal peduncle length 9-13% SL (vs. 14-16% SL); presence (vs. absence) of a short mandibular canal along the anguloarticular; and presence (vs. absence) of a series of indistinct horizontal rows formed by small dark brown spots on the scales above and below the lateral line scale row (Ref. 93866).

生物学特性     字汇 (例如 epibenthic)

Occurs over small pebbles in shallow running waters where the bottom is mainly sand (Ref. 4832). Also found in a slow moving stream with a sandy bed (Ref. 93866).

在底部主要地是沙子的水浅的流动水域中生活在小的小圆石之上。 (参考文献 4832)

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

亞洲: 孟加拉。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Conway, K.W., D.E. Dittmer, L.E. Jezisek and H.H. Ng, 2013. On Psilorhynchus sucatio and P. nudithoracicus, with the description of a new species of Psilorhynchus from northeastern India (Ostariophysi: Psilorhynchidae). Zootaxa 3686(2):201-243. (Ref. 93866)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 16 March 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
FAO - Publication: search | FishSource |

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特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

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=0.00417 (0.00179 - 0.00969), b=3.17 (2.96 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.9   ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).