Florent's Guide To The Hawaiian, South Pacific and

Indo-Pacific Reefs

Magnum Sea Cucumber
Massinium magnum
Magnum Sea Cucumber
Also known as: Sea Basket Sea Cucumber, Burrowing Sea Cucumber
Category: Sea Cucumbers
Scientific Name: Massinium magnum
Synonyms: Neothyonidium magnum
Size: Up to 12 in. (30 cm)  
Distribution: Indo-Pacific
Echinodermata (Phylum)
└Echinozoa (Subphylum)
 └Holothuroidea (Class)
  └Actinopoda (Subclass)
   └Dendrochirotida (Order)
    └Phyllophoridae (Family)
     └Massinium (Genus)
      └M. magnum (Species)
WoRMS ID: 529531🔗
iNaturalist ID: 349142🔗

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© 2026 Florent Charpin