Each urchin is around 6cm wide and they are excellent algae eaters. If they eat all of the algae in your aquarium it is important to offer plenty of dried sea weed or algae pellets. Read More
Each urchin is around 6cm wide and they are excellent algae eaters. If they eat all of the algae in your aquarium it is important to offer plenty of dried sea weed or algae pellets.
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