There are around 120 known species of puffer fish, the second most poisonous creature on the planet after the Golden Poison Frog. The puffer fish is found in tropical waters worldwide, but they rarely go into the cooler waters.
Killer Whale-In captivity they do not do well- they immediately cease using radar. They are also extremely social beings, and will spend their whole life with the same group-support leaving them in their natural habitat. Free Willy is what this is about.
Dinoflagellates are single-celled organisms that live in lakes, rivers, and oceans. Some species that live in the ocean flash on contact. This dinoflagellate model times life size!) can be seen in Creatures of Light.