teleost

Thân thiện

A scientist carefully examines a teleost specimen in a laboratory aquarium.

Definition

Noun: A teleost is a member of the subclass Teleostei, which constitutes the vast majority of existing bony fish species. Teleosts are characterized by a movable upper jaw, symmetrical tail fins, and highly evolved, bony skeletons.

Usage

The word teleost is a scientific term used primarily in biology, zoology, and ichthyology to classify and describe this dominant group of ray-finned fish. It is used as a countable noun.

Examples

• Most common fish, such as salmon, tuna, and goldfish, are teleosts.
• The researcher studied the evolutionary adaptations of the teleost.
• Teleostei, the group to which teleosts belong, first became dominant in the Jurassic period.

Advanced Usage

• As a modifier: The term can be used adjectivally to describe characteristics or research related to this group.
  • Teleost anatomy differs from that of cartilaginous fish like sharks.
  • She is a leading expert in teleost genomics.

Variants and Related Words

• Teleostean (adjective & noun): A less common variant with the same meaning.
  • The teleostean fossil record is extensive.
• Teleostei (noun): The scientific name for the subclass containing all teleosts.

Synonyms

• Bony fish (This is a broader, more common term, but note that not all bony fish (e.g., sturgeons, gars) are teleosts; teleosts are the most advanced and numerous group within bony fish.)

Different Meanings

The word teleost has no other common meanings outside its specific zoological classification.

Học thuật

Noun

1. a bony fish of the subclass Teleostei

Từ đồng nghĩa

• teleost fish
• teleostan