Animalia > Chordata > Amphibia > Caudata > Rhyacotritonidae > Rhyacotriton > Rhyacotriton variegatus

Rhyacotriton variegatus (Southern Torrent Salamander)

Synonyms: Rhyacotriton olympicus variegatus

Wikipedia Abstract

The southern torrent salamander (Rhyacotriton variegatus) is a member of the Rhyacotritonidae family of salamanders. This species of torrent salamander is found the farthest south in the region. It is a small salamander endemic to the Pacific Northwest from Northern California to Northern Oregon. It is one of four species of Rhyacotriton, along with R. cascadae, R. kezeri and R. olympicus. All species of Rhyacotriton are small, with their body lengths being less than 5 inches. The species reproduces annually, with an extended courtship and egg-laying period. The time it takes from oviposition to reach sexual maturity ranges from five to eight years, making the generation interval rather long. The larval stage, from hatching to metamorphosis, lasts 2.0-2.5 yr, with females requiring another
View Wikipedia Record: Rhyacotriton variegatus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 59
EDGE Score: 4.09


Adult Length [1]  4.528 inches (11.5 cm)
Litter Size [1]  11
Litters / Year [1]  1
Female Maturity [1]  1 year 6 months
Male Maturity [1]  1 year 6 months

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Jackson Demonstration State Forest   California, United States

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States No

Range Map

External References

NatureServe Explorer


Attributes / relations provided by
1Oliveira, Brunno Freire; São-Pedro, Vinícius Avelar; Santos-Barrera, Georgina; Penone, Caterina; C. Costa, Gabriel. (2017) AmphiBIO, a global database for amphibian ecological traits. Sci. Data.
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2019). GBIF Backbone Taxonomy. Checklist dataset accessed via on 2020-03-21; License: CC BY 4.0