The journal is the leading national scientific publication on all branches of ichthyology and biological foundations of fisheries. All articles published in the journal are peer-reviewed and contain original information that is the result of scientific research on taxonomy, evolution, molecular biology, morphology, fauna, zoogeography, genetics, physiology, ecology, behavior, reproduction, embryology, invasions and protection of fish and fisheries biology, as well as some applied aspects. The journal publishes articles on marine, oceanic and freshwater fish from any region of the globe.