family astacidae

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family astacidae

A crayfish from the family Astacidae crawls along the sandy bottom of a freshwater stream.

Definition
  1. Noun:
    • A taxonomic family of freshwater crustaceans: "Family Astacidae" is the scientific name for a specific family of crayfish, which are freshwater crustaceans resembling small lobsters.
Usage
  • Scientific classification: The term is used primarily in biological and zoological contexts to classify certain species of crayfish within the animal kingdom.
    • The signal crayfish belongs to the family Astacidae.
    • Researchers studied the evolutionary history of the family Astacidae.
Advanced Usage
  • In taxonomic hierarchy: The term is used to denote a rank (family) within the order Decapoda.
    • The family Astacidae is placed within the infraorder Astacidea.
Variants and Related Words
  • Astacidae: The standard form of the taxonomic family name.
  • Astacid (noun/adjective): A member of the family Astacidae; relating to this family.
    • The stream contained several astacids.
  • Crayfish (noun): The common name for the decapod crustaceans within families like Astacidae, Cambaridae, and Parastacidae.
Synonyms
  • Crayfish family: A common descriptive synonym.
  • Freshwater lobsters (informal): A colloquial term sometimes used for larger crayfish species.
family astacidae

A crayfish from the family Astacidae crawls along the sandy bottom of a freshwater stream.

Noun
  1. crayfish

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