My african dwarf frog was sold as a congo frog so thats one possibility. Have a look in the pinned topic at the top for pics of dwarf and clawed frog as they are the most likely suspects.
i think it is a dwarf frog as all feet are webbed it is brown with brown spots and was living with some clowns etc. i did think they might be selling dwarf frogs under this name but just wanted to check