family portunidae
Học thuậtThân thiện
Definition
- Noun:
- A taxonomic family of crustaceans: Portunidae is the scientific family name for a group of decapod crustaceans commonly known as swimming crabs. Members of this family are characterized by their flattened, paddle-like rear legs adapted for swimming.
Usage Examples
- Noun:
- The blue crab, Callinectes sapidus, is a well-known species within the family Portunidae.
- Marine biologists are studying the diversity of the family Portunidae in coastal ecosystems.
Advanced Usage
- In taxonomic classification: The term is used in formal biological and zoological contexts to categorize and discuss a specific clade of crabs.
- The specimen was keyed out and definitively placed in the family Portunidae.
Variants and Related Words
- Portunid (noun/adjective): A member of the family Portunidae; relating to or characteristic of this family.
- The portunid crabs were observed in the tidal pool.
- Swimming crab (noun): The common name for crabs belonging to this family.
- The harbor is full of swimming crabs.
Synonyms
- Swimming crabs: The common name for the group.
- Portunid crabs: An alternative scientific descriptor.
Notes
- This is a specialized scientific term. In everyday language, the common name "swimming crabs" is used. The term "family Portunidae" is primarily used in academic, research, and taxonomic contexts.
Noun
- swimming crabs