family Percidae

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Definition

Noun: * A taxonomic family of fish: "Family Percidae" is the scientific name for a specific family of ray-finned fish within the order Perciformes. This family is characterized by being active freshwater fishes and includes true perches and pike perches.

Usage Notes
  • "Family Percidae" is a formal, scientific term used primarily in biology, ichthyology (the study of fish), and taxonomy (the science of classification). It is not used in everyday conversation.
  • In scientific writing, the family name is often italicized (). When used in a general sense, it is not italicized.
Examples
  • Scientific Context:
    • The yellow perch is a common member of the family Percidae.
    • Biologists studied the evolutionary history of family Percidae.
    • This river system is home to several species from family Percidae, including walleye and sauger.
Advanced Usage
  • Taxonomic Hierarchy: The term is used to specify a rank in biological classification (Kingdom > Phylum > Class > Order > Family > Genus > Species). For example, the walleye () belongs to the genus within the family Percidae.
Variants and Related Words
  • Percid (noun/adjective): A common name for any fish belonging to the family Percidae. Can also be used as an adjective (e.g., percid fishes).
    • The darter is a small percid.
  • Perch (noun): A common name for many fish in this family, especially those in the genus .
  • Pikeperch or Pike-perch (noun): A common name for fish in the genera or within this family, such as the zander or walleye.
Synonyms
  • Perch family: A less formal way to refer to this taxonomic group.
    • The perch family includes many popular game fish.
Different Meanings
  • The word "family" alone has many general meanings (e.g., a group of related people, a group of related things). In the term "family Percidae," it has only the specific scientific meaning of a taxonomic rank.
Noun
  1. active freshwater fishes; true perches and pike perches

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