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Diadema setosum 4-6 cm
A sea urchin with extremely long spines
Diadema setosum common name: Long-spined sea urchin. This sea urchin is nocturnal and often hides during the day. It is a real asset against algae. It almost never bothers the corals except juvenile corals, which can be threatened during its grazing.
Living
Equipment
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For your zone France, delivery fees are 24,90 € with carrier EXPRESS 24H Vivant - Live - Lebenden - Vivo - Levend
Delivery fees for your zone
France
| See all delivery fees | Cart amount | Delivery fees |
|---|---|---|
| EXPRESS 24H Vivant - Live - Lebenden - Vivo - Levend | 0 à 248,99 € | 24,90 € |
| 248,99 à 100 000 € | Free |
Delivery fees for other zones:
| Country | Carrier | Cart amount | Delivery fees |
|---|---|---|---|
| Suisse | Suisse - EXPRESS 24H Vivant - Live - Lebenden - Vivo – Levend | 0 à 100 000 € | 44,90 € |
| Europe zone 1 | EXPRESS 24H Vivant - Live - Lebenden - Vivo - Levend | 0 à 248,99 € | 29,89 € |
| 248,99 à 100 000 € | Free | ||
| Europe zone 2 | EXPRESS 24H Vivant - Live - Lebenden - Vivo - Levend | 0 à 248,99 € | 39,90 € |
| 248,99 à 100 000 € | 39,90 € | ||
| France | EXPRESS 24H Vivant - Live - Lebenden - Vivo - Levend | 0 à 248,99 € | 24,90 € |
| 248,99 à 100 000 € | Free |
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Data sheet
- Delivery price Europe
- Fixed price €29 - Offered starting from €249 of living*
- Minimum order amount for live products
- 50€ excluding shipping costs. For the well-being of the animals, do not make them travel alone.
- Maintenance
- Medium
- Temperament
- Peaceful
- Food
- Detritivore
- Reef compatibility
- Compatible
- Recommended number
- Several individuals
- Price according to size
- XS S M L XL
- Delivery date
- Choose your delivery day at the "Address" step in your cart.
- Reproduction
- Possible
- Package information for the winter period
- A hole is made in the cardboard to supply the chemical heater with oxygen.
En savoir plus
Diadema setosum – Nocturnal Browsing Diadem Urchin
Diadema setosum, better known as the diadem urchin, is a formidable nocturnal echinoderm against algae. This specimen, native to tropical reefs, is highly valued for its ability to graze unwanted algae on live rocks, decorations, and hard-to-reach areas of the reef tank.
A nocturnal cleaner with impressive spines
The diadem urchin is distinguished by its extremely long spines, which can bring its total size up to 40 cm. Naturally discreet, it hides during the day and becomes active at night, making its action effective without disturbing the tank's life during lighting hours.
Be cautious with young corals
Although it does not damage adult corals, it can sometimes disturb or displace juvenile or freshly settled corals during its movements. It is therefore advisable to secure the cuttings well and monitor during the first days of introduction.
Maintenance conditions
- Recommended minimum volume: 300 liters
- Temperature: 22°C to 28°C
- pH: 7.5 to 8.5
- Activity: primarily nocturnal
- Behavior: peaceful, very useful against algae
Why choose Diadema setosum?
- Effectively eliminates invasive algae
- Ideal for well-established reef aquariums
- Discreet and nocturnal behavior
- Original and aesthetic presence in the tank
- Compatible with most fish and invertebrates
Diadema setosum is a valuable ally against unwanted algae. Thanks to its spectacular spines and nocturnal efficiency, it ensures a natural regulation of the microflora while adding a wild touch to your reef decor.
Reviews (6) - Review moderation
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magnifique
tres bel oursin arrivé en pleine forme et tres bien acclimaté à tres vite visiter le bac en long en large et en travers
By Bruno b. the 06/15/2023
bien
très bel animal!
By philippe V. the 10/16/2020
Satisfait
Très belle oursin de belle taille qui bouge pas mal
By Sébastien G. the 04/08/2020
oursin
jolie ousin
By philippe b. the 05/04/2018
Superbe
J'ai toujours voulu avoir un oursin. C'est chose faite. Je suis ravie.
By Natacha E. the 09/06/2016
A sea urchin with extremely long spines
Diadema setosum common name: Long-spined sea urchin. This sea urchin is nocturnal and often hides during the day. It is a real asset against algae. It almost never bothers the corals except juvenile corals, which can be threatened during its grazing.