In the "C"(sea)

In the "c"(sea)

Corrosive currents collide, carving contours, curving coastlines.
Creating caves-cracked corridors, covert crustacean colonys.
Craggy craters containing crawling crayfish.
Courteous crabs can creep carefully, crossing conspicuous crevices carrying catfish.
Could cod capably?
Contemplated crazy clownfishes!
(no dictionary)