Sea Eggs

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Tripneustes spp. - L. Agassiz, 1841
Sea Eggs

These large urchins can be destructive in a crowded reef tank. Scott W. Michael

[edit] Overview

These large urchins have a flattened spherical shape. The spines are relatively small, compared to the size of the body, about 0.4 in. (1 cm) long. They carry bits of debris, detritus, and shells over their surface, probably as camouflage.

Family: Toxopneustidae

Other common name(s):

  • Collector Sea Urchin

Native range:

Habitat: These are creatures of seagrass beds, and will do well in an aquarium with a large expanse of open sand and planted seagrasses.

Maximum length: 10 cm (4 in)

Minimum aquarium size: 380 L (100 gal)

Lighting: Immaterial.

Water: Marine 24 °C (297 K, 75 °F) - 28 °C (301 K, 82 °F)

[edit] Feeding

Primarily herbivorous; forage on detritus and will take meaty foods.

[edit] Aquarium Compatibility

Not suitable for reef tanks. They may be predatory on sessile animals.

[edit] Special Care

Need seagrass debris and a sand bed for good health. Care needs to be taken to ensure the proper, full-strength (36 ppt) salinity and normal reef temperatures of 82˚F (28°C).

[edit] Notes

In a crowded reef tank, these urchins may be destructive, as they are large and capable of significantly remodeling the landscape.

Reference: A PocketExpert Guide to Marine Invertebrates
Image credit: SWM
Text credit: RLS
Facts about Sea EggsRDF feed
Common name Sea Eggs  +, and Collector Sea Urchin  +
Family Toxopneustidae  +
Genus Tripneustes  +
Image credit SWM  +
Lighting Immaterial.  +
Maximum length 4 in  +
Minimum aquarium size 100 gal  +
Native range Caribbean  +
Reference A PocketExpert Guide to Marine Invertebrates  +
Specific name spp.  +
Text credit RLS  +
Water max temp 301 K (28 °C, 82 °F)  +
Water min temp 297 K (24 °C, 75 °F)  +
Water type Marine  +