Metazoan parasites of the common carp (Cyprinus carpio L., 1758) from Tahtalı Dam Lake (İzmir).

Objective: The aim of this study was identification of the parasites of the common carp from Tahtalı Dam Lake.

Methods: The fish were transported live to the laboratory. They were investigated for ectoparasites and endoparasites.

Effects of 2,4-dichlorophenoxyacetic acid formulation on medulla spinalis of Poecilia reticulata: a histopathological study.

This study investigated the possible effects of a commonly used foliar herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) formulation on medulla spinalis of lebistes. Fish were exposed to 2,4-D (15, 30, 45 mg L(-1)), behavioral changes were monitored. Fish were fixed, histopathological examination was carried out on sections taken from the upper parts of the fish body.