walking fish
Low (mostly in specific contexts: biology, documentaries, informal metaphors)Informal, technical (biology)
Definition
Meaning
A fish capable of moving on land using its pectoral fins.
An informal term for various amphibious fish species; used metaphorically for something that seems contradictory or impossible.
Linguistics
Semantic Notes
Primarily a zoological term; in casual use, it can imply a surprising anomaly or a creature that defies simple categorization.
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference, but the specific common example may vary by region (e.g., mudskipper vs. snakehead).
Connotations
Same basic denotation; both understand it as a metaphor for an apparent contradiction.
Frequency
Equally low in both varieties, perhaps slightly more common in BrE due to 'walking fish' as a known phrase for specific species.
Vocabulary
Collocations
Grammar
Valency Patterns
The [species] is a walking fish.It's like finding a walking fish.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[Metaphor] It's like a walking fish – something that shouldn't work, but does.”
Usage
Context Usage
Business
Not used (unless in a metaphorical sense about an unconventional product).
Academic
Used in biology/zoology texts referring to species like the axolotl (in neotenic form) or mudskipper.
Everyday
Used rarely, usually in a surprising or humorous context ('I saw a video of a walking fish!').
Technical
Used for fish with modified fins for terrestrial locomotion; not a formal taxonomic term.
Examples
By Part of Speech
verb
British English
- The fish was walking along the muddy bank.
American English
- The mudskipper walks on its pectoral fins.
Examples
By CEFR Level
- Look! A walking fish!
- The fish can walk.
- We watched a documentary about a walking fish.
- The mudskipper is a type of walking fish.
- The so-called 'walking fish' uses its fins to move on land for short distances.
- Discovering a walking fish in the mangrove swamp was astonishing.
- The adaptive evolution of the walking fish challenges simplistic definitions of aquatic life.
- His proposal was a political walking fish, an idea that seemed incapable of surviving in its environment.
Learning
Memory Aids
Mnemonic
Imagine a fish in tiny wellington boots, walking a dog. 'Walking Fish' – a fish that walks.
Conceptual Metaphor
THE IMPOSSIBLE IS POSSIBLE (a creature that breaks the rules of its category).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Direct translation 'ходячая рыба' is understood but sounds like a calque; the more natural phrase is 'рыба, которая ходит' or use the specific name (e.g., 'илистый прыгун' for mudskipper).
- Avoid interpreting it as a standard compound noun like 'walking stick'; it's a descriptive phrase.
Common Mistakes
- Using it as a formal biological classification (it's descriptive).
- Capitalising it as a proper noun (unless part of a specific name).
Practice
Quiz
In which context is 'walking fish' most commonly used literally?
FAQ
Frequently Asked Questions
Yes, it's an informal name for several real species, like the mudskipper or climbing perch, that can move on land.
In formal biology texts, the specific species name is preferred. 'Walking fish' is suitable for informal or popular science contexts.
A walking fish is still a fish (breathes with gills, has scales). An amphibian, like a frog, is a different class of animal that undergoes metamorphosis and has permeable skin.
It's a recognizable metaphor for a paradoxical or highly surprising thing, but it's not among the most common everyday idioms.