In the present paper, the history of fish faunistic and taxonomic knowledge is analyzed, and
the freshwater and brackish water fish diversity in the territory of the Russian Federation and …

Accepted: 05 August 2022/Available online: November 2022/Printed: December 2022
Abstract. Freshwater ecosystems are exceptionally vulnerable to biological invasions. The …

The monograph presents the results of a long-term research of water ponds biocenosis in
the southeastern part of Ukraine. The Department of General Biology and Aquatic …

In the water bodies of Kyiv city high density of the invasive fish species Lepomis gibbosus
(Linnaeus) was registered. The fish is characterized by high ecological flexibility, serve as a …

The allochthonous pumpkin seed,(Lepomis gibbosus, L. 1758) is the most abundant species
(about half of the total fish abundance) in Bara Lake, Croatia. Pumpkin seeds caught by …

Substantial changes in the hydroecosystem of the Zaporizke reservoir have led to a
significant transformation of aquatic biocoenoses. As a result, number of some aboriginal …

The manual presents the main methods for studying fish. The general features of the
external structure of fish are described: the shape of the body, external organs, the structure …

Estimation of physiological and biological indices and consequences of biological invasion of
the pumpkinseed Lepomis gibbosus (Linnaeus, 1758) in the Zaporizke Reservoir, Ukraine …

The paper presents information about an outbreak of the pumpkinseed in the Don River
delta in September–October 2023. Isolated specimens were recorded from the Svinoe Girlo …

The paper presents a study of alien fishes in the fish fauna of the Maritsa River tributaries'
upper and middle zones. The study uses a large ichthyological sample, taken from four …