lungless salamander
Noun: A type of salamander belonging to the family Plethodontidae, characterized by the absence of lungs. These amphibians respire entirely through their thin, moist skin and the lining of their mouth. They typically lay their eggs on land in moist environments and have a predominantly terrestrial life cycle, rarely entering aquatic habitats.
The term "lungless salamander" is used specifically in zoology and herpetology to categorize and describe this distinct family of amphibians. - The researcher discovered a new species of lungless salamander in the Appalachian forests. - Due to their specialized respiration, lungless salamanders are highly sensitive to environmental dryness and pollution.
- Ecological Indicator: In scientific contexts, "lungless salamander" populations are often cited as bioindicators of ecosystem health due to their permeable skin.
- The decline in lungless salamander numbers signaled deteriorating forest health.
- Plethodontid (noun): The scientific family name for lungless salamanders; often used interchangeably in academic texts.
- Plethodontids are the most diverse group of salamanders in the world.
- Plethodontid salamander (noun): A direct synonym used in scientific nomenclature.
The term "lungless salamander" has a single, specific zoological meaning and is not commonly used with other definitions.
- mostly terrestrial salamanders that breathe through their thin moist skin; lay eggs in moist places on land; rarely enter water