Photo credit:

Brandon La Forest (HERP.MX)

Common name

Louse Island speckled rattlesnake

Scientific name

Crotalus thalassoporus

Conservation Status

Federal and State Protections

Countries of Occurrence


States or Providence 

Baja California


Ensenada Municipality

Adult size

Species Description

Prior to 2018, this species was previously unknown to science. It's scientific name is derived from the Greek word for “seafarer", due to its presence as a species arising from ancient migrations across water.
Louse Island speckled rattlesnakes are a smaller, dwarf form of speckled rattlesnakes from the mainland.

Jacksonville, FL |  |  1-800-690-5638

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