tridacna
Học thuậtThân thiện
Definition
Noun 1. A genus of very large saltwater clams: Tridacna is the genus name for giant clams, which are bivalve mollusks found in coral reefs of the Indo-Pacific region. They are known for their immense size, colorful mantles, and symbiotic relationship with photosynthetic algae.
Examples of Usage
- The Tridacna clam is one of the largest living bivalve mollusks.
- Divers observed a magnificent Tridacna embedded in the coral.
- The aquarium specializes in breeding species from the genus Tridacna.
Advanced Usage
- In scientific taxonomy: The word is capitalized as when referring specifically to the genus. It is the type genus for the family Tridacnidae.
- The species was reclassified under the genus Tridacna.
Variants and Related Words
- Tridacnidae (n): The biological family to which the genus Tridacna belongs.
- Tridacna gigas (n): The scientific name for the largest species, commonly known as the giant clam.
Synonyms
- Giant clam
- Gigas clam (specific to )
Notes on Meaning
This word is primarily used in scientific, zoological, and marine biology contexts. In general English, the common name "giant clam" is more frequently used, while "Tridacna" specifies the biological genus.
Noun
- type genus of the family Tridacnidae: giant clams