bˌaɪoʊɾədˈoʊmə ɪz ɐ smˈɔːl dʒˈɛnəs ʌv sˈɪtʃlɪdz nˈeɪɾɪv tə ɹˈɪvɚz ɪnðɪ ˈæmɐzˌɑːn, ˌɔːɹɪnˈoʊkoʊ ænd ˌɛsɪkwˈiːboʊ bˈeɪsənz ɪn sˈaʊθ ɐmˈɛɹɪkə.
Biotodoma is a small genus of cichlids native to rivers in the Amazon, Orinoco and Essequibo basins in South America.