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Black Longspine Urchin

Diadema sp.


(5 Reviews)

Black Longspine Urchin
The Black Longspine Urchn, with its striking long black spines and vibrant blue or red ring at the base, adds drama to any tank. It's a hardy urchin, moderately easy to care for, and helps keep algae in check, making it a captivating and beneficial addition to saltwater aquariums.

Black Longspine Urchin

Diadema sp.


(5 Reviews)

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Black Longspine Urchin Care Facts

Care Level: Moderate
Temperament: Peaceful
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 50 Gallons
Max Size: 4 inches
The Diadema Long Spine Urchin, Diadema sp., is a useful herbivoric invertebrate that can be incredibly beneficial in helping control an algae problem as they are avid algae grazers. They are generally coral and reef safe but can occasionally nip at coral tips in search of algae. Their spines are mildly poisonous and can cause a slight skin reaction so be sure to handle with care.
 This species thrives best in tanks with plenty of live rock to explore and feed off of. 

Love it!

Reviewed by: Michael Edgerson on April 28, 2024

The perfect sized urchin and they were very healthy.

Reviewed by: Sean Boyer on Feb. 11, 2024

Very unique specimen to have in the tank.

Reviewed by: Russell Hoyt on Feb. 1, 2024

Reviewed by: Franklin West on Jan. 23, 2024

A unique addition to the tank, that requires zero attention. This adds a another visual element to the tank, as he roams around the tank, not bothering anyone/anything. Adds life to the rocks, and cleans the tank too. No reason to not have this in your tank, worth it!

Reviewed by: Brad B. on May 4, 2016

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