yup thats a 4-lined pim or pimelodus blochii.
i use to have one for about 1 1/2 yr. got it at about 3" and grew pretty fast. i had it till it was about 8-9"
really cool fish it would gorge itself on toad tadpoles and small earth worms. i had it with a 6" sun cat, 12" oscar, & a silver dollar.