TOOB DEEP SEA CREATURESDeep down in the cold, barely explored waters of our oceans lives some really wild creatures! Including a hatchet fish, angler fish, viper fish, glass squid, giant isopod, gulper eel, and a black dragonfish, this Toob takes you far below the ocean's sunny surface. History: Evolved to live in a region of harsh conditions with no light, almost all deep sea animals have special to survive. Some species, like the hatchet fish, have extremely large retinas