Pincushion Urchin

Lytechinus variegatus

(0 Reviews)

Pincushion Urchin

Pincushion Urchin

Lytechinus variegatus

(0 Reviews)

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Pincushion Urchin Care Facts

Care Level: Moderate
Tempermant: Peaceful
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 20 Gallon
Max Size: 4 Inches

The Pincushion Urchin (Lytechinus sp.) is a small Urchin that can be found among the Atlantic Ocean. Their colors can range from a beige/off-white to a green or purple. 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. Aristotle once wrote of the five parts of the Urchin's mouth:  "In reality the mouth-apparatus of the urchin is continuous from one end to the other, but to outward appearance it is not so, but looks like a horn lantern with the panes of horn left out."  This holds true today, as the mouth of the urchin is referred to as "Aristotle's Lantern".  The mouth of the Urchin is used to scrape algae from rockwork.  The spines of the urchin are a defense mechanism that are barbed like that of a fish hook and can inflict serious pain to the predator.  These spines can either come to a sharp point or can be stubby and blunt. Some fish will lay eggs among urchins, relying on the spines to keep them safe from predators. 

He is going all over the tank, cleaning as he goes!!

Reviewed by: Sheila Razo on April 10, 2024

Reviewed by: Ray Roux on Feb. 4, 2024

Reviewed by: Erin Holmes on Dec. 11, 2023

Exactly what was shown in the pic

Reviewed by: Stacey Miller on Nov. 15, 2023

Reviewed by: Roy Platt on Oct. 30, 2023

He’s been working very hard to keep my tank pristine. He even has a few shells stuck to his body.

Reviewed by: Denise Kloepping on Oct. 16, 2023

Arrived as expected and doing great

Reviewed by: John Stone on Sept. 17, 2023

Reviewed by: Brittney Thornton on Aug. 10, 2023

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