Their fins could have been used to attach themselves to plants or similar while they were lying in ambush for prey.

Maybe it's crazy to preserve those salvias, but I get attached to certain plants, like pets.

They scatter their eggs widely, with most species attaching them to aquatic plants.

Some aerial roots do not penetrate the soil, but become attached to other plants or objects instead.

Eggs are laid in clusters attached to rocks and plants on the ocean floor.

It does not float on the surface, but attaches itself to rocks or other aquatic plants.

The eggs will attach to benthic marine plants and hatch in December.

The eggs will be attached to plants, gravel, and occasionally on the sides of rocks.

The stalk can attach to rocks, plants, or other submerged surfaces.

Most climbers, however, attach themselves to other plants for support only.