Peacock sea urchin - Tripneustes gratilia
  • droll appearance
  • eats algae and remains
  • supports water hygiene
  • suitable for beginners
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Peacock sea urchin - Tripneustes gratilia

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Peacock sea urchin - Tripneustes gratilia
The cute spherical sea urchin becomes a great eye-catcher in the aquarium when it decorates itself with algae and corals, as well as pieces of gravel. In addition, it munches algae, zoobenthos and growth and thus keeps the reef sparkling clean. Some care should be taken when introducing it, as it should not be exposed to fresh air. - Garnelio

One of the best known is the colorful peacock urchin, scientifically known as Tripneustes gratilia. Because it grows somewhat larger and is also poisonous , it should rather be kept by experienced aquarists in tanks from 500 litersupwards.

With a size of 8-10 cm it grows a bit bigger than other sea urchins, but it should never come in contact with air, otherwise it can die. It is daylight tolerant and can be seen frequently, especially it often carries decorations or algae, but sometimes also corals through the area and uses them for camouflage. Nothing is currently known about breeding in the aquarium.

The peacock urchin has spines with poisonous pedicellaria, which can become quite problematic for allergy sufferers. Predominantly it becomes rather fish to the doom, which it eats then also quite. It therefore makes sense to note the number of the poison control center at the aquarium.

The spiny knight eats algae

Expert Tip: When keeping fish we recommend the NatureHolic 3 Phase Liquid. The care set offers the best all-round protection for your animals. It ensures optimal conditions for successful breeding and keeping.

Scientific name: Mespilla globulus (Linnaeus, 1758)
German Name: Spherical sea urchin
Difficulty level: for beginners
Origin/Distribution: Australia, China, Indian Ocean, Indo-Pacific, Thailand
Coloration: Spherical shape with blue base color and red white spotted spines
Age expectancy unknown
Water parameters: Salinity: 35 g/l, density: 1.023, KH 7-9 °dKH, pH 7.7-8.5, calcium: 400-430 mg/l, magnesium: 1,250-1,350 mg/l, temperature 24-28 °C
Tank size: 50 l and up
Food Omnivorous: algae and growth, fish food, detrius, zoobenthos
Breeding not known
Behavior peaceful
Group size 2 and up
CITES n. a.
Red List NE not assessed
Further information:


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Peacock sea urchin - Tripneustes gratilia

Peacock sea urchin - Tripneustes gratilia

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Question: "Wie groß kann so ein Seeigel werden?"

from Kevin (Garnelio)
from Kevin (Garnelio)

Der Pfaffenhut-Seeigel erreicht einen Durchmesser von etwa bis zu 8-10 cm.

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