water boatman
Học thuậtThân thiện
Definition
- Noun:
- A carnivorous aquatic insect: A "water boatman" is a type of true bug (order Hemiptera) that lives in freshwater habitats. It is characterized by its long, oar-like hind legs, which it uses for swimming.
Usage Examples
- Noun:
- We observed a water boatman skimming along the bottom of the pond.
- The water boatman uses its specialized legs to propel itself through the water.
Advanced Usage
- The term "water boatman" is often used in ecological and entomological contexts to describe a common component of freshwater invertebrate communities.
- The presence of water boatmen indicates good water quality in the wetland.
Variants and Related Words
- Corixidae: (n) The scientific family name for water boatmen.
- Members of the family Corixidae are commonly called water boatmen.
- Backswimmer: (n) A related but distinct aquatic insect (family Notonectidae) that swims upside-down. It is often confused with the water boatman.
- Unlike the water boatman, the backswimmer swims on its back.
Synonyms
- Corixid: A less common synonym derived from the family name.
- The sample contained several corixids.
Related Phrases
- Aquatic bug: A general descriptive phrase that includes water boatmen and similar insects.
- The aquatic bug we caught was identified as a water boatman.
Noun
- carnivorous aquatic bug having paddle-like hind legs