iridescent shark or pangasianodon hypophthalmus open mouth waiting food in water , feeding freshwater fish

animal aquatic asia background big catfis catfish close closeup color eat eating environment exotic feeding fish food fresh freshwater group hungry hypophthalmus iridescent lake large life lifestyle many marine mouth movement muddy natural nature open outdoor pangasianodon pangasiidae pet pond river shark starving striped sutchi swim swimming temple texture thailand travel tropical underwater waiting water wet white wildlife