do sea urchins moult? :o
big dave Member Oct 24, 2001 #3 Urchins grow by expanding their plates and growin more spines. If theyre "moulting" check the water parameter (specifically salinity) to try to correct the problem.
Urchins grow by expanding their plates and growin more spines. If theyre "moulting" check the water parameter (specifically salinity) to try to correct the problem.
