malacopterygian
Definition
Noun: A malacopterygian is any fish belonging to the superorder Malacopterygii. This is a large taxonomic group of bony fish characterized primarily by having soft-rayed fins. The fin rays are flexible, segmented, and often branched, in contrast to the stiff, spiny rays found in other groups.
Usage
The term is used in scientific and zoological contexts to classify and describe a major category of fish. * The herring is a classic example of a malacopterygian. * Ichthyologists study the evolutionary relationships among malacopterygians.
Advanced Usage
- The superorder Malacopterygii is also referred to informally as the "soft-finned fish" or "soft-rayed fish," making malacopterygian a more precise technical synonym for these common descriptions.
- The group includes many well-known orders of fish, such as salmon, trout, catfish, and carp.
Variants and Related Words
- Malacopterygii (proper noun): The scientific superorder name.
- Soft-finned fish (noun, common term): A descriptive, non-technical term for a malacopterygian.
Synonyms
- Soft-rayed fish
Antonyms
- Acanthopterygian (a fish of the superorder Acanthopterygii, characterized by spiny-rayed fins)
Noun
-
any fish of the superorder Malacopterygii
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