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Eznet2u

Experienced Reefer
Rating - 0%
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One of our local club members found this in her tank today...
Any Ideas?

SALTWATERTANK005.jpg

SALTWATERTANK002.jpg
 

herman

Moderator
Location
Weehawken, NJ
Rating - 100%
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The sea cucumbers ass is a regular partyplace :lol2:


"Sea cucumbers extract oxygen from water in a pair of 'lungs' or respiratory 'trees' that branch off the cloaca just inside the anus, so that they 'breathe' by drawing water in through the anus and then expelling it.[1][2] A variety of fishes, most commonly pearl fishes, have evolved a commensalistic symbiotic relationship (commensalism) with sea cucumbers in which the pearl fish will live in sea cucumber's cloaca using it for protection from predation, a source of food (the nutrients passing in and out of the anus from the water), and to develop into their adult stage of life. Many polychaete worms and crabs have also specialized to use the cloacal respiratory trees for protection by living inside the sea cucumber."


 

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