oddball saltwater fish and inverts

red pencile urchin

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The Red Slate Pencil Urchin, also known as Slate Pencil Urchin, has a reddish-tan body with sparse, long, blunt solid spines that taper at the tips and radiate out from the body in all directions at lengths of up to five inches. In addition to its spines looking like pencils, this sea urchin is also called the Red Slate Pencil Urchin because its spines were used as writing utensils for slate boards.If there is insufficient algae to graze, the diet should be supplemented with dried seaweed.