Organized in 1994, the ichthyology collection contains 155 species characteristic to the fauna of the Danube Delta, Black Sea and Oceans Atlantic and Indian (the zones for commercial fishing granted to Romania). The collection of sea fish was acquired from the National Institute for Marine Research and Development Grigore Antipa Constanta.

Most of samples have been collected in the period 1979-1988, those species coming from the oceanic fauna and they were donated by the Enterprise for Oceanic Fishing Tulcea, in 1995.