Cichlid Room Companion

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Macho en Kantalamba

Petrochromis ephippium

© foto por Ad Konings


New species of Lake Malawi cichlid described

New species of Lake Malawi cichlid described — A new species of deep water cichlid of the genus Diplotaxodon endemic to Lake Malwi has been described by Jay R. Stauffer and Ad Konings in the journal Zootaxa. The new species rounds 15 cm in... mas

Ficha de la especie

Metriaclima phaeos

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

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

Metriaclima xanstomachus

Metriaclima xanstomachus (Stauffer & Boltz, 1989) — por 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 — por 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