some say the world will end in fire

As water trickled down his jaw, he stared incessantly into his prey's domain. It was tricky to ascertain the exact moment to strike and bite. There was not a bunch of water between teeth and fish but it always managed to slow him down. Tatsuya ruminated on his approach even as the she-bear left to deposit her kill on land. Not wanting to give up, he woofed lowly as Tonravik entered the water again. She hovered closer now, fangs readied.
INDENTTatsuya knew what awaited him if he messed up: pain. A sensation he was not thrilled to suffer. Tonravik must know what she was doing if she made use of such reprimands. Who knows? Maybe pain will actually help him learn as opposed to this self-serving bitter pill otherwise known as failure.
INDENTWith a sigh, he went back to the task at hand. Stare, wait, sna – ah, ow! Okay. Too soon, she says. Too soon. Miss. Too late. Too late. Miss. Miss. Tatsuya observed his incognizant prey, frowning deeply. The area where Tonravik's teeth kept pinching him was starting to hurt. It was difficult to say if the pain was actually helping him or hindering him at this point. But Tatsuya would not give up so long as the she-bear remained.
INDENTThe vermin came back into view, incandescent despite being in an obscure place. It did the usual: stopped, glub, swim, glub, investigate furry pillar, glub glub. As it started to turn away, Tatsuya acted with a quickness he did not know he possessed. Rearing back, he blew the excess water from his nose. Blood leaked into his cavernous mouth, signifying his glorious capture. It squirmed uselessly in his grip, growing still as he vengefully ground his teeth together, killing it. Jubilantly, he showed his catch to Tonravik, eyes glittering childishly. The moment wore off quickly, however, as he was unsure of what to do with it. Was he supposed to just swallow it whole? Tatsuya has never dined on fish before and Tonravik threw her fish back onto solid land...