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Sea Biscuits are large inflated Urchins, and can grow to roughly 8'", so they are not for nano reef tanks! They do burrow so they do best in a deeper sand bed, and they like to collect macro algaes, and rubble on their shells. The standard sea biscuits are very short spined, and a dark brown color. The Red Heart Urchins have longer spines are are a reddish color. Both types look like a sand dollar, but are not as flat.

Sea Biscuit

$12.00Price
Quantity
  • Approved DOA's will be issued as a credit on the next order. Shipping is non-refundable.

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