Worm-like

Drawn by some strange force, from the unfathomable depths below, eerie shapes sought the surface, blinking glassily at the unfamiliar glare they had exchanged for their native gloom—uncouth creatures bedight with tasselled fringes like weed-growths waving around them, fathom-long, medusae with coloured spots like eyes clustering all over their transparent substance, wriggling worm-like forms of such elusive matter that the smallest exposure to the sun melted them, and they were not.

The creature was slimy and worm-like.