Perennibranchiate
Encyclopedia
Perennibranchiate, in zoology
, is the condition of an organism retaining branchae, or gills, through life; This condition is generally said of certain amphibia, such as the menobranchus; the term is opposed to caducibranchiate. In some cases only a small proportion of a given amphibian population is perennibranchiate, but in other instances a preponderance of the individuals have an adult gill retention. For example, in the case of the Rough-skinned Newt
in the Cascade Mountains populations, approximately ninety percent of the adult population is perennibranchiate.
Zoology
Zoology |zoölogy]]), is the branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct...
, is the condition of an organism retaining branchae, or gills, through life; This condition is generally said of certain amphibia, such as the menobranchus; the term is opposed to caducibranchiate. In some cases only a small proportion of a given amphibian population is perennibranchiate, but in other instances a preponderance of the individuals have an adult gill retention. For example, in the case of the Rough-skinned Newt
Rough-skinned Newt
The rough-skinned newt is a North American newt known for its strong poison.- Toxicity :Many newts produce toxins to avoid predation, but the toxins of the genus Taricha are particularly potent...
in the Cascade Mountains populations, approximately ninety percent of the adult population is perennibranchiate.