Paedocypris micromegethes

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Paedocypris micromegethes Kottelat, Britz, Tan & Witte, 2006

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Paedocypris micromegethes
Picture by Petersen, P.

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

Teleostei > Cypriniformes (Carps) > Paedocyprididae (Tiny carps)
Etymology: Paedocypris: Name from the Greek words 'Paideios' meaning children and 'Cypris' for Venus, common suffix for cyprinid genera; gender feminine.;  micromegethes: Micromegethes (Greek), small in size; a noun in apposition..
More on authors: Kottelat, Britz, Tan & Witte.

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

; 淡水 底中水层性. 热带

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

Southeast Asia: Malaysia.
东南亚: 马来西亚。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 1.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 56152); 1.1 cm SL (female)

简单描述 型态特徵 | 形态测量图

Paedocypris progenetica is distinguished from Paedocypris micromegethes by: a smaller maximum size (male 9.8mm, versus 11.6; female 10.3mm, versus 11.4), keratinized pad in front of male pelvic fins as a projecting knob (versus flat to slightly swollen), breeding tubercles on the dentary arranged in a straight row, without forming a cluster (versus forming a cluster of up to five closely set individual tubercles, subdistally on the lateral side of the dentary, supported by a conspicuous lateral bony extension), pelvic fins of female vestigial, or often missing (versus smaller than in male but similarly shaped), presence of pre-anal-fin-fold in female (a character unique among teleosts; versus absent in both sexes), dense small chromatophores in deep layer on abdomen appearing as a continuous patch, tiny black vermiculations on belly from throat to anus, including on male's pre-pelvic keratinized knob (versus large superficial, isolated chromatophores on belly from throat to anus, absent on male's keratinized pad), numerous small, contiguous chromatophores on middorsal line, organized in 3-5 rows, forming a broad stripe (versus few large isolated chromatophores, forming 1-3 irregular rows), pelvic-fin rays plain brown (versus with rows of spots).
Paedocypris progenetica 被与 Paedocypris micromegethes 区分被: 一个较小的最大体长 (雄鱼 9.8 mm, 对 11.6; 雌性的 10.3 mm, 对 11.4), keratinized 衬垫在雄鱼腹鳍之前作为一个被在齿骨上繁殖小瘤的突出的疖瘤 (对平坦的到些微肿大) 没有形成一个群 (对形成一个向上到五的群紧密地在一起个别的小瘤, 子末梢部地在齿骨的侧面侧边上, 由显著的侧部支撑多骨的延长) 排列成直的列腹鳍了雌性的退化, 或時常不見的 (對小的超過在雄魚中但是同樣形狀), 有前臀鰭-摺層母魚 (一個特徵獨特的在硬骨魚之中; 對不存在於兩性), 密集的小色素胞在深地分層堆積腹部之上呈現一連續的小區塊, 極小的黑色蠕蟲爬跡形的裝飾腹面之上從咽喉到肛門, 包括雄魚之上前腹鰭 keratinized 癤瘤 (對大的表面, 孤立的色素胞在從咽喉到肛門的腹面上, 在雄魚的 keratinized 襯墊上不存在), 很多的小, 鄰近的色素胞背面中央的之上線, 組織在 3-5 列, 形成一個寬的斑紋 (對少數大的孤立色素胞, 形成 1-3 不規則的列), 腹鰭鰭條全褐色的 (對有數列斑點).

生物学特性     字汇 (例如 epibenthic)

Recorded from peat swamps (Ref. 84801).

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

东南亚: 马来西亚。

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

Kottelat, M., R. Britz, H.H. Tan and K.-E. Witte, 2005. Paedocypris, a new genus of Southeast Asian cyprinid fish with a remarkable sexual dimorphism, comprises the world's smallest vertebrate. Proc. Royal Soc. Biol. Sci. 273:895-899. (Ref. 56152)

世界自然保护联盟红皮书 (Ref. 130435)

  次级保育类动物, 见 IUCN 红皮书 (VU) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 29 January 2019

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. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.0   ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).