The current investigation was undertaken to study the gill histopathologies due infestation of helminth parasite, monogenetic trematode, Dactylogyrus vastator (Nybelin, 1924) in Indian major carp, Catla catla. There were only symptomatic samples diseased fishes comprised fingerlings and adults catla collected examined. Behaviour respond studied- partial suffocation, lethargic swimming clinical ...

Bu çalışmanın amacı, Düzağaç-Akdeğirmen Baraj Gölü (Afyonkarahisar)’ndeki Squalius recurvirostris'in dactylogyrid parazit türlerini ve bu türlerin anatomik, morfolojik, metrik ekolojik özelliklerini tanımlamaktır. Araştırma metodolojisi kapsamında, recurvirostris örneklerinin deri yüzeyi, yüzgeç solungaçları parazitler bakımından incelendi. Dactylogyrus sp. bazıları etil alkol ortamında muhafaz...

Although sharks have a fundamental role in maintaining the balance of aquatic ecosystems, exerting great influence on lower levels food chain, their populations are declining worldwide due, to large extent, overfishing. Of 64 species registered Ecuador, from January December 2019, 19 were recorded Manta 15,455 captured individuals, with family Carcharhinidae being most abundant catches (69.4%),...