Ostariophysi

Thân thiện

Definition

Noun: - A taxonomic group of freshwater fishes: In some biological classification systems, 'Ostariophysi' is considered a superorder that includes two major orders of freshwater fish: the Cypriniformes (such as carps and minnows) and the Siluriformes (catfishes). This group is characterized by specific anatomical features, most notably the Weberian apparatus, a series of small bones connecting the swim bladder to the inner ear, which enhances hearing.

Usage Examples

• Noun:
  • The study focused on the evolutionary history of the Ostariophysi.
  • Many common aquarium fish, like tetras and catfish, belong to the superorder Ostariophysi.

Advanced Usage

• In taxonomic discussions: The term is used in scientific literature when discussing the phylogeny (evolutionary relationships) and classification of ray-finned fishes (Actinopterygii).
  • The monophyly of the Ostariophysi is supported by both morphological and molecular data.

Variants and Related Words

• Ostariophysan (noun/adjective): A member of the Ostariophysi; pertaining to this group.
  • Ostariophysan fishes are dominant in freshwater habitats worldwide.

Synonyms

• Otophysi: A nearly synonymous term often used interchangeably in ichthyology to refer to the same group characterized by the Weberian apparatus.

Notes on Meaning

• The term 'Ostariophysi' is primarily used in scientific and academic contexts, specifically in the fields of ichthyology (the study of fish), zoology, and evolutionary biology. It is not a term used in everyday conversation. Its definition and scope can vary slightly depending on the classification system being followed.

Học thuật

Noun

1. in some classifications considered a superorder comprising the Cypriniformes and the Siluriformes

Từ đồng nghĩa

• Ostariophysi
• order Ostariophysi