Sealife guideThe marine worms

Earthworms, in the broad sense of the term, are made up of 3 main phyla as far as we are concerned meaning the marine worms.

We will successively focus on the segmented worms then on the flat worms and finally on the spoon worms, one representative of which is the green spoon worm.

Marine worms total around 25,000 different species.

The spirograph is a segmented worm (Mediterranean sea, October 2005)

The green spoon worm (Bonellia viridis) belongs to the echiurans (Mediterranean sea, October 2005)

Some segmented worms to discover

Bobbitt worm
(Eunice aphroditois)

Christmas tree worm
(Spirobranchus giganteus)

Coral worm
(Filograna implexa)

Feather duster worm
(Sabella spallanzanii)

Giant tube worm
(Riftia pachyptila)

Peacock worm
(Sabella pavonina)

Social feather duster
(Bispira brunnea)

Split-crown feather duster
(Anamobaea oerstedi)

Some flat worms to discover

Leopard flatworm
(Euplanoida pardalis)

Orange flatworm
(Yungia aurantiaca)

Persian carpet flatworm
(Pseudobiceros bedfordi)

Pink flatworm
(Prostheceraeus roseus)

Red-rim flatworm
(Pseudobiceros splendidus)

Some spoon worms to discover

Green spoon worm
(Bonellia viridis)

Our latestUpdates

Saturday, September 12th 2026

The Caribbean king crab

Discover the Caribbean king crab (Maguimithrax spinosissimus), an impressive reef crab found throughout the Caribbean and western Atlantic.

Thursday, September 10th 2026

The reticulated sandperch

Discover the reticulated sandperch (Parapercis tetracantha), a small Indo-Pacific fish known for its elongated body and distinctive brown and white pattern.

Monday, September 7th 2026

The wedgetail triggerfish

Discover the wedgetail triggerfish, Hawaii's famous state fish. Learn about its vibrant colors, coral reef habitat, unique behavior, and cultural significance in Hawaii.

Photo of the Day

Requin léopard
(Triakis semifasciata)