nudibranch

American  

[noo-duh-brangk, nyoo-] / ˈnu dəˌbræŋk, ˈnju- /

noun

1. a shell-less, marine snail of the suborder Nudibranchia, having external, often branched respiratory appendages on the back and sides.

---

nudibranch British  

/ ˈnjuːdɪˌbræŋk /

noun

1. Also called: sea slug. any marine gastropod of the order Nudibranchia, characterized by a shell-less, often beautifully coloured, body bearing external gills and other appendages

---

nudibranch Scientific  

/ no̅o̅′də-brăngk′ /

1. See sea slug

---

Etymology

Origin of nudibranch

1835–45; < French nudibranche, equivalent to nudi- nudi- + branche gill (< Latin branchia branchia )

---

Example Sentences

See Examples For:

nudibranch

Because of this, researchers are only able to conduct nudibranch studies for roughly four months annually.

From Science Daily ● May 27, 2026

The mystery mollusk is the first known nudibranch to live in a deep-water column, specifically in the ocean’s midnight zone — open water about 1,000 to 4,000 meters below the surface.

From Los Angeles Times ● Nov. 14, 2024

If threatened by a predator, the nudibranch will discharge the stinging cells, says Valdés.

From National Geographic ● Feb. 7, 2024

The rainbow sea slug, or Babakina anadoni, is a member of the aeolid nudibranch family, which are characterised by their bright colours and unusual shapes, he said.

From BBC ● May 15, 2023

Hancock, A., on the colours of the nudibranch Mollusca.

From The Descent of Man by Charles Darwin

Random Word

Spin the wheel and learn a new word!

---