Amphilophus sp. 'xiloa fatlip' — by Juan Miguel Artigas Azas

Amphilophus sp. 'xiloa fatlip' is just found in the small crater Lake Xiloá, and apparently just in very small numbers.

Amatitlania nigrofasciata (Günther, 1867) — by Juan Miguel Artigas Azas

Many of the very interesting biology facts of this species have only been reported in recent years.

Feeding in cichlids – Food selection — by Juan Miguel Artigas Azas

In this article I write about the different foods cichlids eat, and give examples of the particular evolution of their feeding apparatus that allows them to efficiently capture and process those foods. Practically anything edible is consumed by cichlids in one way or another