Ion-rich potash mining effluents affect sperm motility parameters of European perch, Perca fluviatilis, and impair early development of the common roach, Rutilus rutilus

2021 ◽  
Vol 752 ◽  
pp. 141938
Author(s):  
Nora Baberschke ◽  
Fabian Schaefer ◽  
Thomas Meinelt ◽  
Werner Kloas
Keyword(s):  
Early Development ◽  
Sperm Motility ◽  
Perca Fluviatilis ◽  
Rutilus Rutilus ◽  
European Perch ◽  
Roach Rutilus Rutilus ◽  
Potash Mining ◽  
Perch Perca Fluviatilis ◽  
The Common ◽  
Motility Parameters

Simultaneous accumulation of anatoxin-a and microcystins in three fish species indigenous to lakes affected by cyanobacterial blooms

2012 ◽  
Vol 41 (4) ◽  
Author(s):  
Barbara Pawlik-Skowrońska ◽  
Magdalena Toporowska ◽  
Jacek Rechulicz
Keyword(s):  
Perca Fluviatilis ◽  
Rutilus Rutilus ◽  
Cyanobacterial Blooms ◽  
Roach Rutilus Rutilus ◽  
Simultaneous Exposure ◽  
Fish Muscles ◽  
Perch Perca Fluviatilis ◽  
The Common ◽  
Simultaneous Accumulation ◽  
Water Blooms

AbstractA four-year study carried out in a lake with perennial water blooms caused by toxigenic Planktothrix agardhii (Oscillatoriales) and Anabaena lemmermanii, Anabaena flos-aquae, Anabaena spp. and Aphanizomenon issatchenkoi (Nostocales) revealed that the lake-dwelling fish were threatened by simultaneous exposure to intracellular and extracellular microcystins (MCs) as well as anatoxin-a (ANTX). Higher contents of anatoxin-a and microcystins were found in livers than in fish muscles. This is the first report on ANTX accumulation in the common fish, indigenous to European freshwaters during perennial cyanobacterial blooms. Generally, the omnivorous roach (Rutilus rutilus) and Prussian carp (Carassius gibelio) accumulated higher amounts of MCs in their tissues compared to mostly predacious perch (Perca fluviatilis), and similar amounts of ANTX. The long-lasting presence of MCs exceeding the safe levels for consumption was found in fish muscles. ANTX accumulation in fish muscles (up to 30 ng g−1 FW) suggests the probability of its transfer in a food chain.

scholarly journals Catch-and-Release Ice Fishing with a Mormyshka for Roach (Rutilus rutilus) and European Perch (Perca fluviatilis)

2019 ◽  
Vol 77 (4) ◽  
pp. 235-242
Author(s):  
Tomasz K. Czarkowski ◽  
Andrzej Kapusta
Keyword(s):  
Perca Fluviatilis ◽  
Rutilus Rutilus ◽  
European Perch ◽  
Roach Rutilus Rutilus ◽  
Catch And Release ◽  
Perch Perca Fluviatilis ◽  
Basic Parameters ◽  
Upper Jaw ◽  
Time Required

Abstract This study examined and described the basic parameters of the catch-and-release angling of roach Rutilus rutilus and European perch Perca fluviatilis with the mormyshka technique. Catch efficiency, the size of the fish caught, the time required to unhook the fish and the total time during which the fish were handled, hooking location, the occurrence of injury and initial hooking mortality were determined. The study indicates that the mormyshka technique is an effective way to catch roach and European perch when ice fishing. The efficiency of the catches and landings was similar for barbed and barbless hooks. The mormyshka technique also proved to be safe for the fish during catch-and-release fishing. The decided majority of fish were hooked shallowly on the upper jaw, which is a safe location, and injury occurred rarely regardless of the hook type. Generally unhooking the fish from the mormyshka hook was seamless and fish handling was brief. Additionally, when roach were caught with barbless hooks, unhooking time and handling was shorter than it was with barbed hooks. No initial hooking mortality was observed in roach, while it occurred in only two specimens of European perch.

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