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Please SUBSCRIBE - http://bit.ly/BWchannel Tour Tickets on Sale! - http://bit.ly/bravetickets Pre-Order Coyote's Book - http://bit.ly/BOOKbraveadventures Watch More - http://bit.ly/OLgoldticket On this episode of Beyond the Tide, Coyote and Mark go on their first official scuba diving adventure off the coast of Hawaii!

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Starfish are unique creatures with unusual physical characteristics.They have a strong body wall that allows them to occupy a certain niche in aquatic environments ( O'Niell ,53).Body walls of echinoderms,including starfish,have body walls which are made of a "collagenous dermis and calcite Ossicles"(O'Niell,54). The flexibity and strength of starfish body walls can physically change in response to external circumstances(O'Niell,54).

Some starfish such as the crown of thorns starfish are capable of eating coral polypus(Emery,91).If you cut starfish up,they are capable of regenerating from a single piece(Emery,92).Starfish are also have compound eyes at the end of their  arms which aid in navigation around their  coral reefs.(Land,2014).
If a star fish gets too hot  it  can detach one of its arms to keep its core body cool in order to save its life.(Nature)

It is important to take good care of the ocean the starfish live in or else they could die.(Venton) Oxygen and acid levels in the water    have to stay within a certain range to maintain starfish health.

The starfish Echinaster spinulosus lives off the coast of Texas. (O'Niell,54) If someone picks up echinaster,it becomes rigid and inflexable,however,when moving along the bottom,of the shallow gulf floor ,Echinaster easily moves its body in different ways to move from one place to another.(O'Niell,55)The difference in the rigidity of Echinaster's body wall is the result of movement of thousands of individual muscles and ligaments(O'Neil,l55).