Gray ratsnake
Pantherophis alleghaniensis (Holbrook, 1836)
Status not recordedsnakes
The gray ratsnake (Pantherophis alleghaniensis) is a species in the family Colubridae, order Squamata. Recorded adults weigh about 6.56 kg and live up to 33.9 years.
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Quick facts about the gray ratsnake
- Weight
- 6.56 kg
- Length
- Not recorded
- Lifespan
- 20 years – 33.9 years
- Main food
- Not recorded
- Habitat
- Not recorded
- Egg incubation
- 73.5 days
- Young per litter or clutch
- 14
- Age at maturity
- 4 years
- Conservation status
- Not recorded
- Countries on record
- Not recorded
Where does the gray ratsnake live?
Not recorded
Is the gray ratsnake endangered?
No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.
How is the gray ratsnake classified?
- kingdomAnimalia
- phylumChordata
- classReptilia
- orderSquamata
- familyColubridae
- genusPantherophis
- SpeciesPantherophis alleghaniensis (Holbrook, 1836)
Synonyms Coluber alleghaniensis, Coluber obsoletus lemniscatus, Coluber reticularis, Elaphe alleghaniensis, Elaphe obsoleta rossalleni, Elaphe obsoleta spiloides, Elaphe quadrivittata deckerti, Elaphe quadrivittata parallela, Elaphe spiloides, Elaphe williamsi, Elaphis holbrookii, Elaphis spiloides, Pantherophis spiloides, Scotophis alleghaniensis, Scotophis spiloides
Other names and names in other languages (15)
- Black ratsnakeEnglish
- Central ratsnakeEnglish
- Eastern rat snakeEnglish
- Eastern rat snake (alleghaniensis)English
- Everglades ratsnake (rossalleni)English
- Gray rat snake (spiloides)English
- Midland rat snakeEnglish
- Western rat snake (obsoleta)English
- ErdnatterGerman
- Everglades-KükennatterGerman
- Gelbe ErdnatterGerman
- Graue Pilotnatter (spiloides)German
- Östliche ErdnatterGerman
- Östliche RattenschlangeGerman
- Vierstreifen-KükennatterGerman
Relatives of the gray ratsnake
Other species in the same genus Pantherophis.

Corn snake
Pantherophis guttatus
Texas ratsnake
Pantherophis obsoletus
Baird's rat snake
Pantherophis bairdi
Great plains rat snake
Pantherophis emoryi
Slowinski's Cornsnake
Pantherophis slowinskii
Pine Foxsnake
Pantherophis vulpinus
CompareGray ratsnake vs Corn snakeGray ratsnake vs Texas ratsnakeGray ratsnake vs Baird's rat snakeGray ratsnake vs Great plains rat snake
Common questions
Answered only where our data holds the answer.
How big is the gray ratsnake?
An adult gray ratsnake weighs 6.56 kg, according to values recorded on Wikidata.
How long does the gray ratsnake live?
The gray ratsnake has a recorded lifespan of 20 years – 33.9 years.
What kind of animal is the gray ratsnake?
The gray ratsnake (Pantherophis alleghaniensis) belongs to the family Colubridae in the order Squamata.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Gray ratsnake (Pantherophis alleghaniensis). Retrieved from https://creaturedata.com/animals/gray-ratsnake
“Gray ratsnake (Pantherophis alleghaniensis).” CreatureData, 2026, https://creaturedata.com/animals/gray-ratsnake.
@misc{gray_ratsnake_2026,
title = {Gray ratsnake (Pantherophis alleghaniensis)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/gray-ratsnake},
note = {Data as of 2026-11-11}
}