ha ha ha

Or "heads", as real sailors call them.

head
Here's an object that probably doesn't deserve to be recovered - the head on the Matt Turecamo.
head
Look at the difference between these two shots; the first in 1997, not long after the sinking, and the second in 2000. Hydroids have replaced mussels, and the floor is covered with a foot of silt.
head
head
"Heads" on the Coney Island (top) and Great Isaac (bottom). Courtesy Perry Arts.
head
Head on the Mandy Ray

Rock Crab

Lumped together here are what might be considered to be "normal" aquatic crabs. There are many other similar types. The claws of many crabs are good eating - break one off and let the crab go, it will grow a new one. Never take both - you'll kill it.

Rock Crab