Blue Tuxedo Urchin

Water Conditions: 72-78° F, dKH 8-12, pH 8.1-8.4, salinity 1.023-1.025 Max. Size: 3″ Supplements: Calcium, Magnesium, Iodine, Trace...

Pincushion Urchin

Water Conditions: 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025 Minimum Tank Size: 20 gallons Max. Size: 8 in. Supplements: Calcium, Trace Elements…

Long-Spined Urchin

Water Conditions: 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025 Max. Size: Body 2-3 in.; Spines 4-10 in. Supplements: Calcium, Iodine, Trace Elements…

Pencil Urchin

Water Conditions: 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025 Minimum Tank Size: 30 gallons Max. Size: Body 1 1/2-2 in.; Spines 1 1/2-2 in.…