Batrachoseps wakei
Batrachoseps wakei·Plethodontidae·65-68 mm snout-vent length
The Arguello slender salamander (Batrachoseps wakei) is a species of salamander endemic to a small coastal area of Santa Barbara County, California. Discovered in 2006, it was formally described in 2021. This species is distinguished by its relatively large size for its genus, a dorsal pattern of vermiculate tan markings, and extensive orange coloration on its tail.
Key Facts
- ›Endemic to a small coastal region of Santa Barbara County, California.
- ›Discovered in 2006 and formally described as a new species in 2021.
- ›Its scientific name honors herpetologist David B. Wake.
- ›Possesses a dorsal pattern of vermiculate tan markings.
- ›Males can reach up to 65 MM and females up to 68 MM in snout-vent length.
- ›Distinctive features include a smaller head and extensive orange patterns on the tail compared to close relatives.
Arguello Slender Salamander
Marine Terrace
California, Usa
- Relatively Large Batrachoseps Species.
- Dorsal Pattern of Vermiculate Tan Markings.
- Males Can Grow To 65 Mm In Snout-Vent Length.
- Females Can Grow To 68 Mm In Snout-Vent Length.
- Smaller Head Compared To Close Relatives.
- Lack of Melanophores On the Throat and Chest.
- Extensive Orange Patterns On the Tail.
Coastal
About Batrachoseps wakei
Arguello Slender Salamander (Batrachoseps wakei)
The Arguello slender salamander, scientifically known as Batrachoseps wakei, is a species of salamander belonging to the Plethodontidae family. It is a highly localized species, found only within a narrow marine terrace region centered on Point Arguello in coastal Santa Barbara County, California. This species is considered a relict with a very limited geographic range.
Discovery and Taxonomy
An individual of this distinct salamander was first encountered in 2006 amidst debris at an abandoned Coast Guard station on Vandenberg Space Force Base. Initially, it was thought to be an introduced population of the black-bellied slender salamander (B. nigriventris) or the Channel Islands slender salamander (B. pacificus). However, subsequent phylogenetic analysis revealed it to be an undescribed species, genetically distinct and sister to the clade containing B. pacificus and the garden slender salamander (B. major). It was officially described and named Batrachoseps wakei in 2021, with the specific epithet honoring the eminent herpetologist David B. Wake, who had significantly contributed to the study of the Batrachoseps genus.
Physical Characteristics
Batrachoseps wakei is noted for being a relatively large species within the Batrachoseps genus. A key distinguishing feature is its dorsal coloration, characterized by vermiculate tan markings. Adult males can reach a snout-to-vent length of up to 65 mm (approximately 2.6 inches), while females are slightly larger, growing to about 68 mm (approximately 2.7 inches). Morphologically, it differs from its closest relatives by having a smaller head, lacking melanophores (pigment cells) on its throat and chest, and exhibiting extensive orange patterns on its tail.
Distribution and Evolution
The geographic distribution of the Arguello slender salamander is extremely restricted, confined to a specific marine terrace. Its limited range and unique characteristics suggest a history influenced by geological activity. It is theorized that the tectonic activity of Southern California's faults may have played a role in its evolution, potentially transporting ancestral populations northward and isolating them, leading to divergence and the formation of this distinct species.
Source: Wikipedia ↗
Frequently Asked Questions
When was the Arguello slender salamander discovered?
An individual of this species was first found in 2006. However, it was not formally described as a new species until 2021.
What is the scientific name of the Arguello slender salamander?
The scientific name for the Arguello slender salamander is Batrachoseps wakei.
Where is the Arguello slender salamander found?
This species is found exclusively in a limited area of coastal Santa Barbara County, California, specifically centered on Point Arguello.
What makes the Arguello slender salamander distinctive?
It is a relatively large Batrachoseps species with a unique dorsal pattern of vermiculate tan markings. It also has a smaller head and prominent orange patterns on its tail, differing from its closest relatives.
Why was Batrachoseps wakei named in honor of David B. Wake?
The species' specific epithet honors the renowned herpetologist David B. Wake. He had described numerous species within the Batrachoseps genus and passed away shortly before the species was officially published.