This is one of my newer sculptures (one of the two dozen half-finished projects I started this last month that I actually managed to finish). I'm not even sure what I originally intended with this piece, other than being inspired by deep sea angler fish.
I put a lot of work into sculpting the details, and then ended up obliterating much of that detail because it made this piece look too much like a model of a real fish, and it's not a real fish, it's a strange entity from my subconscious, perhaps masquerading as a fish. Anyway, I'm glad I made those changes, because otherwise I think it would have ended up as a much tamer piece.
The materials that went into it vary, but it's mostly sculpey, with a lot of acrylic medium on top.