Cyprinodon fontinalis © Manuel Salazar González
墨西哥所有淡水鱼类
关于淡水鱼类丽鱼科的互联网资讯中心。这里有丰富的资讯，包括文章，讨论，庞大的慈鲷和栖息地目录，电脑桌面壁纸，慈鲷新闻杂志内容的完整索引，还有更多....
亚马孙摩利鱼如何挑战进化的概率
一项发表在 Nature 上的新研究探讨了亚马孙摩利鱼 Poecilia formosa 如何在克隆繁殖的情况下延续了超过 100,000 年。该论文由 Edward S. Ricemeyer、Nathan K. Schaefer、Manfred Schartl 和 Wesley C. Warren... ????
Cichlasoma usumacintae
Cichlasoma usumacintae, a name proposed for an unknown cichlid species from Mexico and Guatemala by Carl Hubbs in 1935, was later described by Robert Allgayer as Vieja ufermanni. The description, however, has one major error that invalidates his attempt to describe the new species.
????发表的物种概况
Xiphophorus birchmanni (Lechner & Radda, 1987) — 创建者 Juan Miguel Artigas Azas
A widespread species, yet vulnerable to local pressures reshaping its habitat and genetic integrity.
2026-04-20 10:04:09
Priapella olmecae Meyer & Espinoza-Pérez, 1990 — 创建者 Juan Miguel Artigas Azas
Priapella olmecae is a livebearer from Veracruz whose survival is threatened by habitat degradation.
2026-01-12 00:00:00
Xiphophorus cortezi (Rosen, 1960) — 创建者 Juan Miguel Artigas Azas
One of the easiest swordtail species native to the Pánuco drainage to keep in captivity.
2025-08-21 00:00:00
Xiphophorus montezumae Jordan & Snyder, 1899 — 创建者 Juan Miguel Artigas Azas
Xiphophorus montezumae was initially believed to have a much wider distribution than is recognized today.
2025-02-18 00:00:00
Xiphophorus nigrensis (Rosen, 1960) — 创建者 Juan Miguel Artigas Azas
A polymorphic species with three different morphs of males.
2024-09-11 00:00:00This site
我们的书籍和数字文档退货政策 — 创建者 Juan Miguel Artigas Azas
本政策通过明确的退款与更换条款，体现我们对客户满意度的承诺。对于数字产品（PDF），由于其产品特性，通常不提供退款；但如文件损坏、不完整或错误，我们将提供更换服务。实体书籍均提供物流追踪服务，如商品在到达时损坏，在及时提供相关证明的情况下，我们将免费更换。所有索赔应在合理期限内提出，更换仅限于最初购买的商品。尽管运输延误不在我们的控制范围内，我们仍会尽力协助解决任何配送问题.
2020-01-01Subscriptions to the Freshwater Fishes of Mexico using PayPal — 创建者 Juan Miguel Artigas Azas
Freshwater Fishes of Mexico offers subscriptions to people, which are administered by PayPal. The way they operate and how to cancel the renewals service are explained in this small document.
2018-10-28Our citation standards — 创建者 Juan Miguel Artigas Azas
The standard used in the Freshwater Fishes of Mexico for citation of published works.
2016-08-30探索 FFM
快速访问网站的主要板块.