Densities also decrease in winter when storms cause them to seek protection in cracks and around larger underwater structures.

The corners of the capsule bear long tendrils that enable the female to secure them to underwater structures.

The popular Cottage Country destination lake has some very interesting shoreline and underwater structure.

Anglers who buy it are likely to be looking simply for depth or an underwater structure and a few fish.

A three-dimensional perspective of the underwater structure as it might have looked when built filled the screen.

Archaeologists debunk the underwater structures in the Gulf of Khambat.

In-situ conservation of underwater structures is possible, but consideration needs to be given to the dynamic nature of the site.

Camp Hero is a popular surf fishing beach due to the underwater structure that tends to hold fish.

Just offshore is Hale o Kapuni, an underwater structure dedicated to sharks.

And there are other pictures that show the black guy in some kind of underwater structure down there in the ocean.