giant salamander
Học thuậtThân thiện
Definition
Noun: 1. A very large, primarily aquatic salamander: This term refers to any of several species of exceptionally large salamanders, native to Asia and North America, that live in cold, fast-flowing streams and rivers. They are characterized by their elongated bodies, broad heads, small eyes, and wrinkled, mucus-covered skin. 2. A specific family of amphibians: More precisely, it can refer to members of the family Cryptobranchidae, which includes the largest living amphibians. They are often considered living fossils.
Usage Examples
- Noun:
- The giant salamander is a critically endangered species due to habitat loss and overhunting.
- Researchers are studying the breeding habits of the Chinese giant salamander.
- We saw a giant salamander hiding under a rock in the clear mountain stream.
Advanced Usage
- "Cryptobranchid": This is the formal scientific term for a giant salamander, referring to its family name, Cryptobranchidae.
- The cryptobranchid is an ancient lineage of amphibians.
- Used in conservation and zoological contexts to highlight size, ecological role, or threatened status.
- The zoo's new exhibit focuses on the conservation of the world's largest giant salamanders.
Variants and Related Words
- Hellbender (): The North American species of giant salamander.
- The hellbender is sometimes called a "snot otter" due to its slimy skin.
- Andrias: The genus name for the Asian giant salamanders (e.g., Chinese giant salamander, Japanese giant salamander).
Synonyms
- Cryptobranchid
- Hellbender (for the North American species)
Different Meanings
- While "giant salamander" specifically denotes the large cryptobranchid family, the term is sometimes used informally for other very large salamander species, though this is less accurate. The core meaning remains an exceptionally large, aquatic salamander.
Noun
- large (up to more than three feet) edible salamander of Asia