ðə stˈɜːlɪt ɐsˈaɪpənsɚ ɹˈuːθɛnəs ɪn lˈɪniːəs klˌæsɪfɪkˈeɪʃən ɪz ðə lˈæst ʌvðə fˈaɪv nˈeɪɾɪv stˈɜːdʒən spˈiːsiːz ɪnhˈæbɪɾɪŋ ðə mˈɪdəl ænd ˌʌpɚ dˈænuːb ɹˈɪvɚ.
The sterlet (Acipenser ruthenus'' in Linnaeus' classification) is the last of the five native sturgeon species inhabiting the Middle and Upper Danube River.