Cool water animals

1. 

Adult axolotl at age 18-24 months ranges in length from 6 to 18 inches ((15 to 45 cm)), although a size close to 9 in ((23 cm)) is most common and greater that 12 in ((30 cm)) is rare. They can regenerate lost body parts. Tail, fragments of the bronchi or legs o young ones grows back completley.

2. 

Cuttlefish have large, W-shaped pupils, eight arms and two tentacles, with which they secure their prey. They generally range in size from 6 to 10 inches ((15 to 25 cm)), with the largest species reaching 20 inches ((50 cm)). They eat small molluscs, crabs, shrimp, fish, octopus, worms, and other cuttlefish. Their predators include dolphins, sharks, fish, seals, seabirds, and other cuttlefish. The life expectancy is about 1-2 years. They change color, pattern and the shape of the skin to communicate to other cuttlefish, to camouflage and to warn off potential predators.

3. 

Frogfish can be found in tropical and subtropical regions of the Atlantic and Pacific, as well as in the Indian Ocean and the Red Sea. Many species can change color, some are covered with other organisms such as algae or hydrozoa. In keeping with this camouflage, frogfish typically move slowly, lying in wait for they prey, and then striking extremely rapidly, in as little as 6 milliseconds. They have a stocky appearance, atypical of fish. Ranging from 1 to 15 inches ((2,5-38cm)) long. They are often brightly colored. White, yellow, red, green, black or spotted in several colors to blend in with their coral surroundings.