Erethistoides cavatura

Erethistoides cavatura Ng & Edds, 2005

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drawing shows typical species in Sisoridae.

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

Actinopteri > Siluriformes (Catfishes) > Sisoridae (Sisorid catfishes) > Sisorinae
Etymology: Erethistoides: Greek, erethizo = that irritates + Greek, suffix oides = similar (Ref. 45335);  cavatura: From the Latin noun cavatura, meaning cavity, in reference to the large eye and nostrils of this species..

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

; 淡水 居于水底的; pH range: 8.0 - 8.0. 热带; 18°C - 26°C (Ref. 55978)

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Asia: Nepal.
亚洲: 尼泊尔。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 3.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 55978)

简单描述 型态特徵 | 形态测量图

背的软条 (总数): 5; 脊椎骨: 29 - 30. Distinguished from congeners in having larger nostrils (the length of the narial complex 77-90% of interorbital width vs. 42-75). Both E. ascita and E. cavatura differ from E. montana and E. pipri in having a longer caudal peduncle (19.3-22.5% SL vs. 14.4-17.3%). Both species differ further from E. montana in having a more slender body (8.6-10.5% SL vs. 10.6-11.4) and E. sicula by the absence (vs. presence) of a slight median depression on the lower lip margin. E. cavatura can be further distinguished from E. ascita in having a larger eye (17.7-20.9% HL vs. 13.2-17.6), the presence of rounded (vs. elongate and flattened plaque-like) tubercles on the head and body, and the serrations on the anterior edge of the pectoral spine more anteriorly (vs. sideways) directed and diverging at the middle (vs. distal quarter, 6-11 proximalmost serrations proximally directed vs. 12-17 (Ref. 55978).
与同类有较大的鼻孔区分了.(鼻孔复合体的长度 77-90% 的眼间骨宽度 vs.42-75) E. ascita E. cavatura 不同从 E. montanaE. pipri 在有一个方面较长的尾柄 (19.3-22.5% SL 和 14.4-17.3% 比较). 两个种都在下面的唇边缘上在有一个方面进一步不同于 E. montana 更细长的身体 (8.6-10.5% SL vs.10.6-11.4) 与 E. sicula 藉由輕微中央的凹窪缺乏 (vs. 出現) 。 E. cavatura 在有一個方面可能是與進一步區分的 E. ascita 較大的眼 (17.7-20.9% HL vs.13.2-17.6), 那有在頭部與身體上圓的 (vs. 延長與平的像斑一樣的) 小瘤, 與鋸齒在更前面地 (vs. 傍邊的) 被直接的而且分開的胸棘的前緣上在那中央 (vs. 末梢部的四分之一, 近端地 vs.12-17 直接的 6-11個最近側的鋸齒.(參考文獻 55978)

生物学特性     字汇 (例如 epibenthic)

Occurs in shallow (approximately 10-20 cm) gravel and pebble riffles of streams and rivers with predominantly sandy bottoms, in moderate to fast current (Ref. 55978). Found in clear to turbid waters (Ref. 55978).

在和缓到快速的水流中, 用主要砂质底部出现于浅滩 (大约 10-20 公分) 砾石与溪流与河川的小圆石急流。 (参考文献 55978) 发现于清澈至混浊的水域了。 (参考文献 55978)

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

亚洲: 尼泊尔。

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

Ng, H.H. and D.R. Edds, 2005. Two new species of Erethistoides (Teleostei: Erethistidae) from Nepal. Ichthyol. Explor. Freshwat. 16(3):239-248. (Ref. 55978)

世界自然保护联盟红皮书 (Ref. 125652)

  数据缺失 (DD) ; Date assessed: 21 December 2009

CITES

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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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 | Zoobank | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this BS (Ref. 93245).
营养阶层 (Ref. 69278):  3.1   ±0.5 se; based on size and trophs of closest relatives
回复力
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .