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Pincushion Urchin Red

Salmacis bicolor


(3 Reviews)

Pincushion Urchin Red

Pincushion Urchin Red

Salmacis bicolor


(3 Reviews)

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Care Facts

Care Level: Moderate
Tempermant: Peaceful
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 30 Gallon
Max Size: 4 Inches

The Red Pincushion Urchin (Salmacis bicolor.) also known as the bicolor urchin is a small Urchin that can be found among the Atlantic Ocean. They reach a maximum size of 3-4 inches and feed on a variety of detritus, as well as algae. They are typically stationary during the day, but will come out around twilight to scavenge for food. The mouth of the Urchin is specialized to scrape algae from rockwork. The spines of this urchin act as a defense mechanism and are barbed like that of a fishhook so handle them with caution.  These spines can either come to a sharp point or can be stubby and blunt. 

All urchins should only be kept in glass aquariums, they should not be kept in acrylic fish tanks as their teeth can cause deep scratches in the walls of the tank. 


Reviewed by: James Davis on Jan. 8, 2024


Reviewed by: Erin Holmes on Dec. 28, 2023


Reviewed by: Sam Bern on Dec. 26, 2023

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