Red Pin Cushion Urchin

Red Pin Cushion Urchin or Salmacis bicolor are interesting and very useful animals for the marine aquarium. It is an algae eater and is therefore often used for algae infestations. This sea urchin grows to about 8 - 9 cm, ...
Salmacis bicolor are interesting and very useful animals for the marine aquarium. It is an algae eater and is therefore often used for algae infestations. This sea urchin grows to about 8 - 9 cm, and mainly moves over the rocks.
Salmacis bicolor is a rather rare, beautiful, colorful sea urchin.
Characteristics
Eat algae from stones and windows
Must be added
Peaceful
Can knock over corals
Grows to about 8 - 9 cm