Common name: Sea Cucumbers

Cucumariidae is a family of sea cucumbers found in various marine environments. Members of this family are detritivores, playing a crucial role in the ecosystem by recycling nutrients. They are generally peaceful and can be kept in larger reef or fish-only aquariums. They require a sand bed for burrowing and organic matter to feed on. Their presence can help maintain a clean substrate and provide a more natural environment for other inhabitants.

1. 
   Common name: Red box sea cucumber

   Scientific name: Cercodemas anceps
2. 
   Common name: Sea Cucumber

   Scientific name: Colochirus crassus
3. 
   Common name: Thorny sea cucumber

   Scientific name: Colochirus quadrangularis
4. 
   Common name: robust sea cucumber

   Scientific name: Colochirus robustus
5. 
   Common name: sea apple

   Scientific name: Pseudocolochirus violaceus