blue shark
Học thuậtThân thiện
Definition
Noun: 1. A species of requiem shark: The blue shark (Prionace glauca) is a large, slender, and highly migratory shark found in deep, temperate, and tropical oceans worldwide. It is characterized by its distinct blue coloration on the back, which fades to a white underside.
Usage
- The blue shark is one of the most widely distributed shark species.
- Researchers are tracking the migration patterns of the blue shark.
- Its scientific name is .
Advanced Usage
- The term is used in marine biology, ecology, and fisheries contexts to specifically refer to this species. It is often discussed in studies of pelagic (open ocean) ecosystems, bycatch in fishing industries, and shark conservation.
Variants and Related Words
- Prionace glauca: The scientific (Latin) name for the blue shark.
- Pelagic shark: A general term for sharks that live in the open ocean, a category which includes the blue shark.
Synonyms
- Great blue shark: A less common but sometimes used full name.
Notes on Meaning
The definition specifically refers to the biological species. The name derives from its distinctive indigo-blue dorsal (back) coloration. It is known for its long pectoral fins and streamlined body adapted for long-distance travel. As noted in the reference, it has been documented as being dangerous to humans, particularly in situations like shipwrecks or air disasters where people are in the water.
Noun
- slender cosmopolitan, pelagic shark; blue body shades to white belly; dangerous especially during maritime disasters