fish duck: meaning, definition, pronunciation and examples
Low (C2)Informal, primarily ornithological and regional.
Quick answer
What does “fish duck” mean?
A common term for the merganser, a type of diving duck that feeds primarily on fish.
Audio
Pronunciation
Definition
Meaning and Definition
A common term for the merganser, a type of diving duck that feeds primarily on fish.
Any duck that habitually feeds on fish or is observed in a fishing context. Can also be used informally for any bird seen simultaneously displaying aquatic and avian characteristics.
Dialectal Variation
British vs American Usage
Differences
Slightly more common in North American informal ornithology. In the UK, 'goosander' (for common merganser) is a more specific term.
Connotations
UK: Descriptive, slightly old-fashioned or regional. US/Canada: Practical, descriptive term used by hunters and fishermen.
Frequency
Very low frequency in both varieties, but marginally higher in North American contexts related to hunting and wildlife.
Grammar
How to Use “fish duck” in a Sentence
[Adj] + fish duckfish duck + [V-ing]see/spot/watch + a fish duckVocabulary
Collocations
Examples
Examples of “fish duck” in a Sentence
verb
British English
- [Not standardly used as a verb]
American English
- [Not standardly used as a verb]
adverb
British English
- [Not standardly used as an adverb]
American English
- [Not standardly used as an adverb]
adjective
British English
- We observed some fish-duck behaviour near the weir.
- He had a fish duck feather in his cap.
American English
- We set up a fish duck decoy.
- That's a prime fish duck habitat.
Usage
Meaning in Context
Business
Not used.
Academic
Used informally in ornithology and zoology texts as a descriptive label, not a formal classification.
Everyday
Rare. Used by birdwatchers, anglers, or people describing a duck catching/eating fish.
Technical
Informal term in wildlife biology for ducks of the genus Mergus.
Vocabulary
Synonyms of “fish duck”
Vocabulary
Antonyms of “fish duck”
Watch out
Common Mistakes When Using “fish duck”
- Using it as a formal biological name.
- Hyphenating inconsistently (fish-duck vs. fish duck).
- Confusing it with 'platypus' (another animal that is a hybrid metaphor).
FAQ
Frequently Asked Questions
It is not a formal biological name. It's a common name used for ducks that eat fish, primarily mergansers.
No. It is an informal, descriptive term. Use the specific species name (e.g., common merganser, goosander) in formal contexts.
'Fish duck' typically refers to diving ducks (like mergansers) with slender, serrated bills for catching fish, while 'regular duck' often implies dabbling ducks (like mallards) that feed on plants and insects near the surface.
It is a niche, descriptive term used mainly by a subset of people (birdwatchers, hunters, rural communities) rather than in general daily conversation.
A common term for the merganser, a type of diving duck that feeds primarily on fish.
Fish duck: in British English it is pronounced /ˈfɪʃ ˌdʌk/, and in American English it is pronounced /ˈfɪʃ ˌdək/ or /ˈfɪʃ ˌdʌk/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No standard idioms. Descriptive phrase only]”
Learning
Memory Aids
Mnemonic
Think of a duck catching a fish. It's a duck that acts like a fish-eating bird—a 'fish duck'.
Conceptual Metaphor
HYBRIDITY / CROSS-CATEGORIZATION: Something that combines traits of two distinct categories (aquatic life and bird).
Practice
Quiz
In which context is the term 'fish duck' MOST likely to be used correctly?