> [!summary]- Classification
**Kingdom**:: [Animalia](Animalia.md)
**Phylum**:: [Echinodermata](Echinodermata.md)
**Subphylum**::
**Superclass**::
**Class**:: Holothuroidea
**Subclass**::
**Superorder**::
**Order**:: Holothuriida
**Suborder**::
**Superfamily**::
**Family**:: Holothuriidae
**Subfamily**::
**Genus**:: Holothuria
**Species**:: H. tubulosa
**Vernacular**:: Cotton-spinner
## Photos
*[126 - 2023-05-16 - Delta - Epidaurus - Greece](126%20-%202023-05-16%20-%20Delta%20-%20Epidaurus%20-%20Greece.md) - A big individual. Common holothuridae.*
*[126 - 2023-05-16 - Delta - Epidaurus - Greece](126%20-%202023-05-16%20-%20Delta%20-%20Epidaurus%20-%20Greece.md) - Same individual as above, but with a zoom on its tegument. *
*[137 - 2023-07-30 - Pointe de Seneyrolles - La Ciotat - France](137%20-%202023-07-30%20-%20Pointe%20de%20Seneyrolles%20-%20La%20Ciotat%20-%20France.md) - Combo, with on the foreground, a [Gobius incognitus - Striped goby](Gobius%20incognitus%20-%20Striped%20goby.md)*
## Notes
This species lives on the sand, consume the organics rests in the sediments, and after ingesting the organic matter, rejects it as "sand-poop". So it's easy to spot.
## References
- https://doris.ffessm.fr/Especes/Holothuria-Holothuria-tubulosa-Holothurie-tubuleuse-595/(rOffset)/2
- [Découvrir la vie sous-marine - Méditerranée - Steven Weinberg](Découvrir%20la%20vie%20sous-marine%20-%20Méditerranée%20-%20Steven%20Weinberg.md) p389