Umikuji/Subspecies

Lower Risk
 * Least concern (LC) – Lowest risk; does not qualify for a higher risk category. Widespread and abundant taxa are included in this category.
 * Conservation Dependent (CD) - Dependent on conservation efforts to prevent it from becoming threatened with endangerment/extinction.
 * Near threatened (NT) – Likely to become endangered in the near future.

Threatened
 * Vulnerable (VU) – High risk of endangerment in the wild.
 * Endangered (EN) – High risk of extinction in the wild.
 * Critically endangered (CR) – Extremely high risk of extinction in the wild.

Extinct
 * Extinct in the wild (EW) – Known only to survive in captivity, or as a naturalized population outside its historic range.
 * Extinct (EX) – No known individuals remaining.

Other
 * Data deficient (DD) – Not enough data to make an assessment of its risk of extinction.
 * Not evaluated (NE) – Has not yet been evaluated against the criteria.

Black Velvet Umikuji

 * Conservation Status:

They are based on the Dendrodoris nigra.

Bubblegum Umikuji

 * Conservation Status:

They are based on the Noumea romeri.

Curled Umikuji

 * Conservation Status:

They are based on the Spurilla neapolitana.

Electric Blue Umikuji

 * Conservation Status:

They are based on the Chelidonura varians.

Frilled Nebula Umikuji

 * Conservation Status:

They are based on the Glossodoris vespa.

Lemon Umikuji

 * Conservation Status:

They are based on the Thecacera pacifica.

Magma Umikuji

 * Conservation Status:

Despite its name, it is not associated with fire, although it can tolerate heat far better than other subspecies can.

They are based on the Bornella anguilla.

Habitat
It makes its home near undersea volcanic vents.

Marbled Umikuji

 * Conservation Status:

They are based on the Hypselodoris jacksoni.

Meringue Umikuji

 * Conservation Status:

They are based on the Goniodoridella savignyi.

Monarch Umikuji

 * Conservation Status:

They are based on the Cyerce nigricans.

Orange-frilled Umikuji

 * Conservation Status:

They are based on the Dermatobranchus ornatus.

Oriole Umikuji

 * Conservation Status:

They are based on the Phidiana militaris.

Painted Lady Umikuji

 * Conservation Status:

They are based on the Aegires villosus.

Biology
They have been known to come in both pink/yellow and purple/orange.

Poinsettia Umikuji

 * Conservation Status:

They are based on the Okenia rosacea.

Quartz Umikuji

 * Conservation Status:

They are based on the Aeolidiella alba.

Redspot Umikuji

 * Conservation Status:

They are based on the Chromodoris splendida.

Rosy Umikuji

 * Conservation Status:

They are based on the Okenia hallucigenia.

Seafoam Umikuji

 * Conservation Status:

They are based on the Tambja tenuilineata.

Shawled Umikuji

 * Conservation Status:

They are based on the Flabellina iodinea, or Spanish Shawl Nudibranch.

Smoky Umikuji

 * Conservation Status:

They are based on the Phyllidiella lizae.

Striped Umikuji

 * Conservation Status:

They are based on the Roboastra luteolineata.

Sunflare Umikuji

 * Conservation Status:

They are based on the Glossodoris rubroannulata.

Tritonian Umikuji

 * Conservation Status:

They are based on the Tritonia Nudibranch.

Veiled Umikuji

 * Conservation Status:

They are based on the Pteraeolidia ianthina.

Whitetip Umikuji

 * Conservation Status:

They are based on the Coryphella browni.

Zebra Umikuji

 * Conservation Status:

They are based on the Phyllidia varicosa.