Taz takes the claw in stride. Water droplets condense in the surrounding air as she connects to the source of her power. She then leaps back from the fishman and sends a powerful stream of water back in its direction, attempting to push it back to where it was a moment before

Spoiler: Taz, Round 1
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5 ft step to AX7
Move: gather power 1
Standard: pushing water blast at AV7
Attack: (1d20+4)[22] (+1 if vs abberations)
Damage: (1d6+6)[10]
Bull Rush: (1d20+6)[20] (+1 if vs abberations)

Spoiler: Taz stats
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Tazmara Stonesong
F NG Dwarf Kineticist (Aquakineticist), Level 2, Init 2, HP 19/23, DR Cold/pressure - 1, Speed 20 / 20 (swim)
AC 15, Touch 12, Flat-footed 13, CMD 14, Fort 7, Ref 6, Will 1, CMB +2 (5), Base Attack Bonus 1
PBS Water Blast +4 (1d6+6, x2)
Dagger +2 (+3 thrown) (1d4+2, 19-20/x2)
Heavy Pick +2 (1d6+1, x4)
Studded Leather (+3 Armor, +2 Dex)
Abilities Str 12, Dex 14, Con 19, Int 10, Wis 12, Cha 8
Condition Having a swim speed grants a +8 bonus on some swim checks (most others are not needed)