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#1928 · 🐸 amphibians

California Slender Salamander

🇳🇱 Californische slanke salamander ·Batrachoseps attenuatus

LCleast concern 🐸 Amphibians 📍 outside Europe
California Slender Salamander, photo 1 of 10
1/10 © Michael Spencer · CC BY-NC 4.0

what is it?

The California slender salamander ( Batrachoseps attenuatus ) is a lungless salamander that is found primarily in coastal mountain areas of Northern California, United States as well as in a limited part of the western foothills of the Sierra Nevada, California, in patches of the northern Central Valley of California, and in extreme southwestern Oregon. What makes this amphibian notable is that this species resides primarily in a limited range within California as one of a handful quasi-endemic...

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 29,837iNaturalist observations
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 29,837 observations worldwide on iNaturalist.
  • Scientifically named by Johann Friedrich von Eschscholtz in 1833 (193 years ago).

fact sheet

English
California Slender Salamander
Nederlands
Californische slanke salamander
scientific name
Batrachoseps attenuatus
class
Amphibia
order
Caudata
family
Plethodontidae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
29,837
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1833 by Johann Friedrich von Eschscholtz

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Plethodontidae

Sources: iNaturalist taxon 27459, Wikidata Q2698012, GBIF 2431750, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

stan runge 23a4304 source