51376 Sphoeroides asellus (Müller & Troschel, 1849) Tetraodontidae Puffers Tetraodontinae Tetraodontiformes Teleostei Amazon puffer South America: Amazon River basin from Peru to Marajó Island, including tributaries Araguaia and Guaporé Rivers; Orinoco River basin near the mouth; Essequibo River basin. AMNH 13455 Colomesus asellus AMNH 19390 Colomesus asellus AMNH 43366 Colomesus asellus AMNH 3443 1912 Colomesus asellus AMNH 14674 1939 Colomesus asellus GCRL 11008 1969 Colomesus asellus AMNH 217669 1979 Colomesus asellus AMNH 72086 1982 Colomesus asellus AMNH 72096 1982 Colomesus asellus AMNH 72127 1982 Colomesus asellus