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Crotalus polisi

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This is an old revision of this page, as edited by CFA (talk | contribs) at 22:44, 1 January 2025 (Changing short description from "Species of rattlesnake from Mexico." to "Species of rattlesnake"). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 22:44, 1 January 2025 by CFA (talk | contribs) (Changing short description from "Species of rattlesnake from Mexico." to "Species of rattlesnake")(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) Species of rattlesnake

Crotalus polisi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Crotalus
Species: C. polisi
Binomial name
Crotalus polisi
Meik et al., 2018

Crotalus polisi, or the Horsehead Island speckled rattlesnake, is a species of rattlesnake from Cabeza de Caballo Island, Mexico. The species is named after the late Gary A. Polis, an arachnologist and desert food-web ecologist from the University of California after his death in the capsising of his research vessel in 2000. As with all rattlesnakes, it is venomous.

While a young species, C. polisi shows rapid divergence from its sister species, possibly relating to its dwarfism.

Description

Crotalus polisi is distinguished from most similar species by its nasorostral scales, except Crotalus mitchelli which shares them. The species is distinguished from C. mitchelli by its generally higher number of tail bands and dorsal blotches, as well as its fewer counts of some specific scale types, shorter ultimate supralabial scale and generally smaller body size.

C. polisi has a pattern mostly consisting of slate or charcole grey with indistinct dorsal blotches.

References

  1. ^ "Crotalus polisi". The Reptile Database. Retrieved 2025-01-01.
  2. Meik, Jesse M.; Schaack, Sarah; Flores-Villela, Oscar; Streicher, Jeffrey W. (2018-03-30). doi:10.1080/00222933.2018.1429689. ISSN 0022-2933 https://www.tandfonline.com/doi/full/10.1080/00222933.2018.1429689. {{cite journal}}: Cite journal requires |journal= (help); Missing or empty |title= (help)
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