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Male at his spawning site

Cyathopharynx furcifer

© 拍摄者是 Ad Konings

新闻

Four new species of Serranochromis described

Four new species of Serranochromis described — Four new species of riverine cichlids in the genus Serranochromis from the Cuanza and Okavango river systems in Angola (to where they are probably endemic) have been described by Jay Stauffer, Paul... 更多的

鱼种的资料

Metriaclima phaeos

Metriaclima phaeos Stauffer, Bowers, Kellogg & McKaye, 1997 — 创建者 Ad Konings

A very attractive species with blue-black males and all-yellow females.

Metriaclima xanstomachus

Metriaclima xanstomachus (Stauffer & Boltz, 1989) — 创建者 Ad Konings

A rather large mbuna with a yellow throat which seems not overly aggressive.

Wonderful cichlids

Gender determination in cichlids

Gender determination in cichlids — 创建者 Juan Miguel Artigas Azas

The topic of this article may be misleading since it does not deal with determining the gender of a specific fish, whether it is a male or a female, but rather about how gender is developed in cichlids after birth. For us humans (and mammals) the gender of an individual is pretty straightforward since the beginning of our lives, but in fish (and many other organisms) it is not always so. In many cichlids the gender is actually plastic, and we are getting to learn more and more about this fact