Lungs bursting, he felt something give and swam frantically upwards.

All were swimming frantically in the same direction, moving gradually upward as if into a narrowing, invisible funnel.

My own experience was that the rare, hooked trout liked to swim frantically in all directions.

Skeeter swam frantically for the surface, holding his breath and kicking with every bit of strength he had left.

Unnerved, she frantically swam to the spot where she had last seen him.

Foreplay is "limited to the female desperately trying to dislodge the male by swimming frantically around".

Every frog leaped, plopped into the pool, and swam frantically to the bottom.

Instead, he turned and swam frantically for the dock.

Diving in, he swam frantically to reach her, struggling against the powerful current.

They were swimming frantically now, the rifle gone to the bottom.