分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Goodeidae (Splitfins) > Goodeinae
Etymology: Xenotoca: Greek, xenos = strange + Greek, tokos, oy = birth (Ref. 45335); lyonsi: Named for Dr. John Lyons, who has made substantial contributions to the understanding of the distribution, ecology, diversity, and conservation status of fishes in Mexico, and to goodeids in particular. An adjective.
Eponymy: Dr John D Lyons is an American fish biologist and ichthyologist who is Curator of Fishes at the University of Wisconsin Zoological Museum and was Fisheries Research Supervisor for the Wisconsin Department of Natural Resources (1986–2017). [...] (Ref. 128868), visit book page.
Etymology: Xenotoca: Greek, xenos = strange + Greek, tokos, oy = birth (Ref. 45335); lyonsi: Named for Dr. John Lyons, who has made substantial contributions to the understanding of the distribution, ecology, diversity, and conservation status of fishes in Mexico, and to goodeids in particular. An adjective.
Eponymy: Dr John D Lyons is an American fish biologist and ichthyologist who is Curator of Fishes at the University of Wisconsin Zoological Museum and was Fisheries Research Supervisor for the Wisconsin Department of Natural Resources (1986–2017). [...] (Ref. 128868), visit book page.
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
; 淡水 底中水层性.
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Central America: endemic tothe Coahuayana River drainage in Jalisco, Mexico.
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 12 - 14; 臀鳍软条: 13 - 14. Xenotoca lyonsi differs from the congeners occurring in the Pacific Coast drainages by the combination of the following characters (none unique to the species): females posses 13 dorsal rays (vs. 15 or 16 in X. melanosoma and 14 in X. doadrioi); for males and females the differences are as follows: 14 anal fin rays (vs. 15 or 16 in X. melanosoma), 12 pectoral fin rays (vs. 13 in Xenotoca eiseni), 8 caudal peduncle scales (vs. 9 in Xenotoca eiseni and X. melanosoma), 30-31 scales in a lateral series (vs. 32 in X. doadrioi), 9 transversal scales (vs. 11 or 12 in X. eiseni and X. doadrioi) and 11 suparorbital pores (vs. 10 in X. doadrioi). Both male and female have a smaller eye diameter (head lengthL/ eye diameter = 3.7 vs. 3.0 in X. doadrioi and 3.5 in X. eiseni for females, and head length/ eye diameter= 3.6 vs. 3.3 in X. eiseni in males), high dorsal fin base (standard length /dorsal fin base length = 6.5 vs. 6.9 in X. eiseni for females and and 5.5 vs. 5.9 in X. eiseni in males) (Ref. 117630).
The type locality where the this species occurs is characterized by high seasonal changes in water clarity and volume, from a turbid and deep high flow running water in the rainy season to clear and low flow water other times of the year, sometimes reduced to a few shallow pools in the dry season. Its bottom is composed mainly of mud and gravel, and water plants are only evident in the stream bed. Other fishes present in the area include Xenotoca melanosoma (now extirpated), Ilyodon whitei, Poecilia butleri, Allodontichthys tamazulae, Astyanax anaeus, Cyprinus carpio and Oreochromis sp. (Ref. 107630).
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 | 合作者
Domínguez-Domínguez, O., D.M. Bernal-Zuñiga and K.R. Piller, 2016. Two new species of the genus Xenotoca Hubbs and Turner, 1939 (Teleostei; Goodeidae) from the central-western Mexico. Zootaxa 4189(1):81-98. (Ref. 117630)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
极度濒危 (CR) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 14 March 2018
CITES
Not Evaluated
对人类的威胁
人类利用
渔业: 没有兴趣
FAO - Publication: search | FishSource |
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解剖学
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视觉色素
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疾病与寄生虫
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耗氧量
游泳类型
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视觉色素
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疾病与寄生虫
毒性（半数致死浓度）
遗传学
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遗传学
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基因组
遗传学
异质性
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基因多样性
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特别资料
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网络资源
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: 属, 种 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | Zoobank | 动物学的记录
基于模型的估算
|
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5312 [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 (参考文献 69278) |
2.0 ±0.1 se; based on size and trophs of closest relatives |
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渔业脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |