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Starfish Hydraulics

By PaulY
Seastar Hydraulics
This is about a 1/2 inch (about 12 mm) patch of the top surface of a seastar's (what we used to call "starfish") skin. All seastars move using seawater pressure that they force within their bodies to their "rays" and tube feet. The cream color patch on the left upper part of this photo is the madreporite. This is were the water enters the seastar's body. The purple structures contain semi-permeable membranes that aid in respiration. The orange structures are the hard skin of the seastar.

Tags: Diving Macro Starfish Close-up and macro Scuba Seastar Wildlife and nature Sports and action

Voters: una, User_Removed, Grim1 and 3 more

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Grim1 15 49 United Kingdom
1 Mar 2007 2:59PM
Fabulous image, colours and write up. Thanks for posting! The detail is brilliant - dream of doing this sort of thing one day!
1 Mar 2007 8:14PM
Smashing shot - And a science lesson to boot. Great colors and detail.

PaulY 15
1 Mar 2007 8:55PM
Cori and Kent, thanks much. The macro undersea world offers incredibly rich photographic opportunities!

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