 |
Abbreviation Legend
- (CE) - Criticially Endangered
- (CI) - Critically Imperiled
- (E) - Endangered
- (I) - Introduced
- (IM) - Imperiled
- (NT) - Near Threatened
- (T) - Threatened
- (V) - Vulnerable
- (**) - Recent Classification Change
|
|
 |
 |
|
 |
|
 |
|
Sirens (Sirenidae) of the United States
Sirenidae, the sirens, are a family of neotenic aquatic salmanaders. Family members have very small forelimbs and lack hind limbs altogether. In one species, the skeleton is the fore limbs is made only of cartilage. In contrast to most other salmanaders, they have external gills bunched together on the neck in both larval and adult stages. Sirens are found only in the Southeastern United States and northern Mexico.
There are 5 species, representing 2 genus found in the United States, all of which are native to the U.S.
|
|
