Betta hendra is a member of the B. coccina species group within the genus. © Gustav Eek

Two fish species previously referred to as Betta sp. ‘Sengalang/Palangkayara’ and Apistogramma sp. ‘masken’ in the aquarium hobby have been described on an official basis in the last couple of weeks. Continue reading »

The holotype of C. robustus was collected in 1954. © A. Lamboj

The African cichlid genus Congochromis was erected in 2007 to accommodate four species of dwarf cichlid of which three, C. dimidiatus, C. sabinae, and C. squamiceps, are former members of Nanochromis. They’re diagnosable by a combination of morphological and osteological characters, and all are endemic to the Congo River basin. Continue reading »

© Ryan O’Donnell

The dwarf cichlid known in the aquarium hobby as Apistogramma sp. ‘black chin’,  ‘Schwarzkinn’, or ‘Pucallpa’ for almost 20 years has been officially described as A. allpahuayo in a paper published in the journal ‘Vertebrate Zoology’. Continue reading »

New article by Mike Wise discusses how paleogeological events shaped the distribution of this popular dwarf cichlid genus…

In nature Apistogramma species groups exhibit regional patterns of distribution

Apistogramma expert Mike Wise has recently published what can only be described as a monumental piece of work over on Tom Christoffersen’s excellent website apisto.sites.no. The ‘article’ runs to almost 40 pages and comprises a detailed examination of South American paleogeography and its potential influence(s) on the subsequent distribution of the genus. Continue reading »