Nudibranchs

Marine Life / Nudibranchs

The vibrant marine gastropods that add essential biodiversity to our coral reefs.

• Hypselodoris roo

  Hypselodoris roo is a striking species of nudibranch admired for its vibrant colors, elegant body shape, and intricate patterns that make it a favorite among…

• Polycera sp. Nudibranch Polycera sp.

  This nudibranch is a Polycera sp., meaning it is unclassified. It is one of several undescribed Polycera we feature in our book, Nudibranchs of the Philippines.

• Phyllodesmium rudmani

  Phyllodesmium rudmani is a fascinating species of nudibranch known for its delicate appearance, soft cerata, and incredible camouflage among hydroids and soft corals.

• Melibe colemani

  Melibe colemani is a rare, almost transparent nudibranch whose branching, coral-like body makes it one of the hardest sea slugs to spot on the reef.

• Cyerce nigra

  Cyerce nigra is a striking black sacoglossan sea slug with yellow-edged, leaf-like cerata.

• Phyllodesmium briareum

  Phyllodesmium briareum is a solar-powered aeolid nudibranch that lives on and mimics the soft coral Briareum.

• Blue Dragon Nudibranch Pteraeolidia semperi

  The blue dragon nudibranch (Pteraeolidia semperi) is a long, slender aeolid covered in bunches of blue-tipped to brown cerata.

• Goniobranchus kuniei

  Goniobranchus kuniei is a chromodorid nudibranch with a white to lavender body, purple spots ringed in white and a deep purple mantle edge.

• Marioniopsis arborescens

  Marioniopsis arborescens is a tritoniid nudibranch with a row of tree-like branching gills along each side of its back.

• Miamira sinuata

  Miamira sinuata is a chromodorid nudibranch with a lumpy, ridged green body marked with red-orange and blue.

• Nembrotha kubaryana

  Nembrotha kubaryana is a large polycerid nudibranch with a dark green to black body and raised bright green ridges.

• Reticulidia halgerda

  Reticulidia halgerda is a phyllidiid nudibranch with a pale body covered in a network of raised white ridges and orange-tipped bumps.

• Trapania euryeia

  Trapania euryeia is a small goniodorid nudibranch with a white to translucent body patterned with orange-yellow markings.