acanthopterygian

Thân thiện

The marine biologist carefully examines the acanthopterygian specimen.

Definition

Noun: A type of bony fish (teleost) belonging to the superorder Acanthopterygii, characterized by having fins supported by spiny, sharp, and inflexible rays. This large group includes many common spiny-finned fish.

Usage

The term is a formal, scientific classification used primarily in ichthyology (the study of fish) to categorize a major group of teleost fish. * The perch is a classic example of an acanthopterygian. * Ichthyologists study the evolutionary history of acanthopterygian fishes.

Advanced Usage

• The term is often used in contrast to "malacopterygian," which refers to fish with soft-fin rays.
• It can function attributively as an adjective (e.g., "acanthopterygian species," "acanthopterygian characteristics").

Variants and Related Words

• Acanthopterygii (proper noun): The scientific superorder name for this group of fish.
• Spiny-finned fish (noun): A common descriptive name for acanthopterygians.

Synonyms

• Spiny-rayed fish
• Teleost fish (broader category; all acanthopterygians are teleosts, but not all teleosts are acanthopterygians)

Different Meanings

This word has a single, specific zoological meaning and is not used in general or figurative contexts.

Học thuật

Noun

1. a teleost fish with fins that are supported by sharp inflexible rays

Từ đồng nghĩa

• spiny-finned fish