Volume 25, Issue 3 – 30 July 2019 New Scientific publication – started delivery on July 30, 2019 Full Text | PDF (970 KB) Tyson R. Roberts: Alestion rapax¸ a new genus and species of miniature paedomorphic characiform fish with large conical teeth from the Lower Congo basin (Ostariophysi, Alestidae),

by Tyson R. Roberts – aqua 25 (3) pp. 82-102 Alestion rapax, an entomophagous new genus and species of Alestidae, scaleless and largely translucent in life, possibly most closely related to Hydrocynus, is described from nine reproductively inactive specimens 12.0-16.8 mm standard length collected from a single locality in the

by Stefano Valdesalici and Giuseppe Amato – aqua 25 (3) – pp. 111-124 Abstract Nothobranchius derhami, new species, is described from seasonal habitats in the Nyando River system, belonging to the Lake Victoria basin, western Kenya. Nothobranchius derhami belongs to the N. ugandensis species group and is distinguished from all