Adult in the aquarium

Vieja bifasciata © Patrick Tawil

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<i>Geophagus</i> sp. 'red head tapajos' described

Geophagus sp. 'red head tapajos' described — The Geophagus sp. 'red head tapajos' has been given the name Geophagus pyrocephalus by Junior Chuctaya, Pedro Nitschke, Marcelo C. Andrade, Juliana Wingert, and Luiz R. Malabarba in a publication in the Journal of Fish Biology (10.1111/jfb.15207). The description is based on morphology... continue reading

Published genera profiles


Etroplus Cuvier, 1830 — by Juan Miguel Artigas Azas

More closely related to Madagascan Paretroplus than to any other African cichlid.


Pseudetroplus Bleeker, 1862 — by Juan Miguel Artigas Azas

The mere mention of Pseudetroplus by Günther set the original reference on his publication.

Published species profiles

Amphilophus istlanus

Amphilophus istlanus (Jordan & Snyder, 1899) — by Juan Miguel Artigas Azas

Amphilophus istlanus could be a natural hybrid between A. trimaculatus and Mayaheros beani.

exLamprologus ornatipinnis

exLamprologus ornatipinnis (Poll, 1949) — by Patrick Tawil

A nice little shell-dwelling lamprologine in which the male is much larger than the female.

Cycla conibos

Cycla conibos (Castelnau, 1855) — by Juan Miguel Artigas Azas



Patrick de Rham

Patrick de Rham — by Juan Miguel Artigas Azas

The aquarium world says goodbye to one of its most influential figures

Wonderful cichlids

Cichlid hybrids

Cichlid hybrids — by Juan Miguel Artigas Azas

The topic of hybridization of fishes, and in particular of cichlids, has been gaining more relevance in the past few decades as new research has increasingly shown the importance of hybridization events in the evolution and emergence of new species, a previously poorly known fact outside flowering plants or bacteria. The amount of papers dealing with natural hybridization in fish has blossomed in recent years

Cichlid conservation – Efforts to protect biodiversity

Cichlid conservation – Efforts to protect biodiversity — by Juan Miguel Artigas Azas

Not all is uncontrolled population growth and greed with humans, there are also many people who genuinely and passionately care for the environment and the species, and efforts are organized to try to miti

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