Thalassophryne is a genus of toadfishes found in the western Atlantic Ocean with one species (T. amazonica) found in the Amazon River and some of its tributaries.
Species There are currently six recognized species in this genus: Thalassophryne amazonica Steindachner, 1876 Thalassophryne maculosa Günther, 1861 (Cano toadfish) Thalassophryne megalops B. A. Bean & A. C. Weed, 1910 Thalassophryne montevidensis (C. Berg (es), 1893) Thalassophryne nattereri Steindachner, 1876 Thalassophryne punctata Steindachner, 1876
Venom Members of the genus Thalassophyne are venomous. Venom is delivered through two hollow spines on the dorsal fin and two spines on pre-opercular regions, a venomous gland is located at the base of the spines and can be erected or depressed by the fish.
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