sand dollars?

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cudamaster13

Jack Dempsey
MFK Member
Aug 14, 2008
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southern california
just wondering i always find alive purple sand dollars on a beach i go to in the water is it possibal to keep them in a tropical marine tank and would a epualet shark and cortez stingray eat them or would they be okay also would morays eat them and wat would they eat?
 
IamEvilOne;4852874; said:
I think they eat sand, and when they get big enough, you can spend them.

Its food consists of plankton and organic particles that end up in the sandy bottom.
Sand Dollars Have Few Predators
Few animals bother the sand dollars because of their tiny edible parts and hard skeleton but they are eaten by starfish, snails, and one animal found to enjoy them on occasion is the thick-lipped, eel-like ocean pout.
so would some be okay in a tropical setup with the epualet,ray,morays ?
 
I don't know about compatabilty with the sharks/rays... but I don't see the point in keeping them... they spend litteraly all their time under the sand.
 
They will most likely die of starvation. Very difficult animals to keep for sure
+1, please leave them in the ocean.
 
i think they eat peices of kelp and seaweed at the bottom of the ocean like the related sea urchin i wont get any but i will research wat they eat for the rest of us ill reply any info once i have it
 
cudamaster13;4856022; said:
i think they eat peices of kelp and seaweed at the bottom of the ocean like the related sea urchin i wont get any but i will research wat they eat for the rest of us ill reply any info once i have it

eat alage possibaly if u put a large kelp blade in the tank with sand covering and burrieing the blades edges they would be able to eat it at least thats my hypothosis
 
Sand dollars eat micro nutrients, like sand dwelling zooplancton, you can't target feed them like other critters, they live off what grows in the sandbed and most tanks don't have enough of these mirco sand nutrients to sustain a sand dollar for more then a short time.
 
Yes, you'd probably need a 20' x 20' sand bed to keep one fed.
 
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