Space Amoeba

The Space Amoeba inhabits the body of a cuttlefish, causing it to mutate into what is called "Gezora" A photographer named Kudo and his entourage land on Selgio Island for a photoshoot, but their camp is attacked by Gezora. Later, the Space amorphous parasitic extraterrestrial possesses a stone crab, mutating it into "Ganimes" and attacks surrounding islands. Luckily the humans manage to lure Ganimes into a pit and destroy it with explosives.