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Rock Urchin

  • Products (27)
27 products
Shortspine Urchin
(Echinometra sp.)
Starting at $11.99
…Shortspine Urchin, or Rock Burrowing Urchin, has an oval to round black body covered with hundreds of uniform, reddish-orange spines. Typically found in the back reef, this night-dwelling algae cleaner is known to burrow small niches in carbonatic rocks (dead corals) to hide. The Shortspine Urchin
Pencil Urchin
(Eucidaris tribuloides)
Starting at $9.99
…to corals. It requires an aquarium with multiple hiding places and live rock on which it can graze. The rock formations should be sturdy, since the Urchin could dislodge rocks as it moves around the tank. The Pencil Urchin is very sensitive to high levels of copper-based medications and will not…
Pincushion Sea Urchin, Aquacultured ORA®
(Lytechinus variegatus - Aquacultured ORA)
Starting at $19.99
…Sea Urchin will frequently display an interesting "covering behavior". Whether for camouflage or protection from UV radiation the Variegated Pincushion Sea Urchin can be observed holding onto small rocks, shells, and pieces of macroalgae with its tube feet.Keep in mind, live rock formations…
Shortspine Urchin, Caribbean (Build Your Own Kit)
(Echinometra sp.)
Starting at $7
The Shortspine Urchin, Caribbean also known as the Rock Boring Urchin, is an excellent addition to your algae-grazing cleanup crew. This small urchin from the Caribbean is primarily purplish-black and may exhibit a reddish tint. In the wild, this echinoid is very common on wave-beaten rocky shores…
Pincushion Urchin
(Lytechinus variegatus)
Starting at $11.99
…rows. The aquarium should include large amounts of live rock on which it can graze. It may also prey on some of the sessile invertebrates in the reef system. Rock formations need to be stable and able to withstand the movement of the Urchin wedging itself in crevices. It is generally solitary, but…
Blue Tuxedo Urchin
(Mespilia globulus)
Starting at $21.99
…Tuxedo Urchin, also known as the Sphere Urchin or Globe Urchin, has five to ten broad-colored bands usually blue or black, with red, brown, or dark spines. This very striking combination, gives it the "formal" look and thus the name "Tuxedo Urchin."During the day, it will hide among the rocks, in…
Red Tuxedo Urchin
(Mespilia cf globulus)
Starting at $19.99
…Tuxedo Urchin will scavenge over rock and substrate for bits of food and algae to eat. The Red Tuxedo Urchins have oval or round bodies covered with hundreds of uniform spines. Though the spines are short, they are still sharp, and can puncture skin.During the day, it will hide among the rocks, in…
Purple Short Spine Pincushion Urchin
(Pseudoboletia sp.)
Starting at $19.99
…easy-to-care-for addition to your cleanup crew? The Purple Short Spine Pincushion Urchin will scavenge over rock and substrate for bits of food and algae to eat while adding interest to your home aquarium. Pincushion Urchins have oval or round bodies covered with hundreds of uniform spines. Though…
Pincushion Urchin (Build Your Own Kit)
(Lytechinus sp.)
Starting at $7
…rows. The aquarium should include large amounts of live rock on which it can graze. It may also prey on some of the sessile invertebrates in the reef system. Rock formations need to be stable and able to withstand the movement of the Urchin wedging itself in crevices. It is generally solitary, but…
Longspine Urchin, Blue Spot
(Astropyga radiata)
Starting at $34.99
…moving as the urchin patrols the reef. The Blue Spot Longspine Urchin makes an excellent algae controller for an aquarium housing aggressive fish. Provide an aquarium with ample hiding places and room to roam. The rock formations should be sturdy, since the Urchin could dislodge rocks as it moves…
Longspine Urchin, Banded
(Echinothrix calamari)
Starting at $29.99
…crevices, and in the wild, can be found in large aggregations with other Banded Longspine Urchins. The aquarium should have stable rock work and some shaded areas. During the night, the Banded Longspine Urchin comes out to feed. Juveniles generally eat algae, and the adults are carnivores, preying…
Pencil Urchin, Red Slate
(Heterocentrotus mammilatus)
Starting at $19.99
…Red Slate Pencil Urchin will require the solid construction of rocky reefs in the aquarium; rock pieces should be well placed to avoid accidental tumbling and moving around. It can be destructive and harmful to corals, but is safe in a fish-only aquarium. Red Slate Pencil Urchins are generally…
Pincushion Urchin, Hairy
(Tripneustes gratilla)
Starting at $24.99
The Hairy Pincushion Urchin is also known as the Sea Egg, and the Priest-hat Urchin. It has five or ten double rows of white and red spines separated by spaces of red, purple, white or black. To camouflage itself, it often covers itself with rocks, sponges, shells, or algae. In addition to…
Sea Apple
(Pseudocolochirus violaceus)
Starting at $29.99
…the common name Violet Sea Apple or Violet Sea Urchin.It prefers an established reef aquarium with room to move about, and large amounts of live rock from which it receives a majority of its food. Once it finds a favorable location, usually in a high current area, the Sea Apple will generally stay…
Sea Apple, Australian
(Pseudocolochirus axiologus)
Starting at $89.99
…will add a new dimension of color to the reef aquarium.It prefers an established reef aquarium with room to move about, and large amounts of live rock from which it receives a majority of its food. Once it finds a favorable location, usually in a high current area, the Sea Apple will generally stay…
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