Diadema setosum Diadem Sea Urchin

Diadema setosum – Diadem Urchin

The Diadema setosum, also known as the Diadem Urchin, is a fascinating and striking creature that, with its long, thin spines, is one of the most impressive sea urchins. This elegant sea urchin is not only a visual highlight in any saltwater aquarium but also plays an important role in the aquarium's ecosystem by consuming algae and detritus, thereby keeping the aquarium water clean.

Special Features:

• Color: Dark brown to black with long, thin, white to gray spines
• Size: Can reach a size of up to 15–20 cm
• Behavior: Peaceful, but cautious when interacting with other animals
• Application: Ideal for larger reef aquariums with a stable environment
• Benefits: Effective algae control and substrate cleaning, contributes to improving water quality