Loading...
Back to Invertebrates
Pencil Urchin
Heterocentrotus mamillatus
A large urchin with thick, blunt spines resembling pencils. An excellent algae grazer that may inadvertently knock over small corals or unsecured rockwork.
Care Parameters
Water type
Saltwater
Adult size
15 cm
Temperature
24–28°C
pH
8–8.4
Diet
Herbivore
Group
urchin
Temperament
Peaceful
Difficulty
Beginner