Percina

Thân thiện

Definition

Noun: 1. A genus of fish in the family Percidae: Percina is the scientific name for a genus of small, freshwater fish commonly known as darters. These fish are native to North America and are characterized by their elongated bodies and specific habitat preferences in streams and rivers.

Usage Notes

• The word is a proper noun and is always capitalized.
• It is used almost exclusively in scientific, biological, or ichthyological (the study of fish) contexts to classify and discuss this specific group of species.
• In everyday language, members of this genus are more commonly referred to by their common names, such as "darter" (e.g., the "logperch" is a type of ).

Examples

• Scientific Context:
  • The biologist identified the specimen as belonging to the genus Percina.
  • Several species of Percina are considered indicators of good water quality.
  • The study focused on the habitat preferences of Percina tanasi, the snail darter.

Advanced Usage

• Taxonomic Hierarchy: In scientific classification, is used within a hierarchical structure:
  • Family: Percidae
  • Genus: Percina
  • Species: e.g., Percina caprodes (the logperch)

Variants and Related Words

• Darter (n): The common name for fish in the genera , , and others within the family Percidae.
  • The creek is home to several colorful darter species.
• Percidae (n): The biological family that includes the genera , , and (which includes the yellow perch).
  • The family Percidae is diverse and contains many popular freshwater fish.

Synonyms

• Genus Percina (scientific synonym)
• Darter (common name, though this term is broader and includes other genera)

Related Terms (Scientific Context)

• Ichthyology (n): The branch of zoology that deals with fish.
• Taxonomy (n): The science of classification of organisms.
• Genus (n): A rank in biological classification above species and below family.

Học thuật

Noun

1. a genus of Percidae

Từ đồng nghĩa

• Percina
• genus Percina