Florent's Guide To The

Tropical 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)
  └Dendrochirotida (Order)
   └Phyllophoridae (Family)
    └Massinium (Genus)

Echinoderms
Sea Cucumbers

Magnum Sea Cucumber

Neothyonidium sp. 1

Neothyonidium sp. 2

Hidden Sea Cucumber

White-Rumped Sea Cucumber

Hairy Blackfish Sea Cucumber

Plump Sea Cucumber

Whitespotted Sea Cucumber

Leopard Sea Cucumber

Ocellated Sea Cucumber

Paradoxical Sea Cucumber

Black Sea Cucumber

Difficult Sea Cucumber

Pinkfish Sea Cucumber

Florida Sea Cucumber

White Teatfish

Elephant Trunkfish

Light-Spotted Sea Cucumber

Donkey Dung Sea Cucumber

Tiger Tail Sea Cucumber

Volcano Sea Cucumber

Teated Sea Cucumber

Graeffe's Sea Cucumber

Furry Sea Cucumber

Conical Sea Cucumber

Three-Rowed Sea Cucumber

Three-Rowed Sea Cucumber (color variation)

Three-Rowed Sea Cucumber (color variation)

Hawaiian Spiky Sea Cucumber

Greenfish Sea Cucumber

Curryfish Sea Cucumber

Dragonfish Sea Cucumber

Hawaiian Yellow-Tip Sea Cucumber

Brown Curryfish Sea Cucumber

Pineapple Sea Cucumber

Giant Sea Cucumber

Lion's Paw Sea Cucumbers

Euapta sp. 1

Spotted Worm Sea Cucumber

Lampert's Sea Cucumber

Synaptula sp. 1

Synaptula sp. 2

Yellow Sea Cucumber



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© 2025 Florent Charpin