sea slug: meaning, definition, pronunciation and examples
LowTechnical/Scientific, Informal
Quick answer
What does “sea slug” mean?
A marine mollusc without a shell, often brightly coloured.
Audio
Pronunciation
Definition
Meaning and Definition
A marine mollusc without a shell, often brightly coloured.
A term for any shell-less marine gastropod, especially within the order Nudibranchia, known for their diverse forms and colours.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. The term is equally used in both marine biology and by diving communities.
Connotations
Neutral scientific/descriptive term. Can evoke images of colourful, exotic reef life.
Frequency
Equally low-frequency in general language, but standard in marine biology and scuba diving contexts in both regions.
Grammar
How to Use “sea slug” in a Sentence
[Subject] found a sea slug.The [adjective] sea slug [verb].Vocabulary
Collocations
Examples
Examples of “sea slug” in a Sentence
adjective
British English
- The sea-slug population is thriving.
- It's a sea-slug habitat.
American English
- The sea slug population is thriving.
- It's a sea slug habitat.
Usage
Meaning in Context
Business
Not applicable.
Academic
Used in marine biology textbooks and research papers.
Everyday
Used by divers, snorkelers, and in nature documentaries.
Technical
Precise term in malacology and marine ecology.
Vocabulary
Synonyms of “sea slug”
Neutral
Weak
Vocabulary
Antonyms of “sea slug”
Watch out
Common Mistakes When Using “sea slug”
- Incorrect plural: 'sea slugs' (correct), not 'sea slug'.
- Confusing 'sea slug' with 'sea cucumber' (which is an echinoderm).
FAQ
Frequently Asked Questions
All nudibranchs are sea slugs, but not all sea slugs are nudibranchs. 'Sea slug' is a broader term for shell-less marine gastropods.
Most are harmless, but some species can absorb toxins from their prey or have stinging cells, so it's best not to touch them.
They are found in oceans worldwide, from tidal pools to deep seas, with the greatest diversity in warm, shallow tropical reefs.
Their diet varies by species and includes algae, sponges, anemones, hydroids, and even other sea slugs.
A marine mollusc without a shell, often brightly coloured.
Sea slug is usually technical/scientific, informal in register.
Sea slug: in British English it is pronounced /ˈsiː ˌslʌɡ/, and in American English it is pronounced /ˈsi ˌsləɡ/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a SLUG from the SEA, but wearing fantastically bright colours instead of being grey.
Conceptual Metaphor
UNDERWATER JEWEL (for its bright colours).
Practice
Quiz
What is a 'sea slug' most specifically?