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  • Species Profile for Eastern Indigo snake (Drymarchon corais couperi)
Map of Species occurrence
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Eastern Indigo snake (Drymarchon corais couperi)

Federal Register | Recovery | Critical Habitat | Conservation Plans | Petitions | Life History

Listing Status:   


General Information

Average adult size is 60-74 inches (152-188 cm), record is 103.5 inches (262.8 cm). Adults are large and thick bodied. The body is glossy black and in sunlight has iridescent blue highlights. The chin and throat is reddish or white, and the color may extend down the body. The belly is cloudy orange and blue-gray. The scales on its back are smooth, but some individuals may possess some scales that are partially keeled. There are 17 dorsal scale rows at midbody. The pupil is round. Juveniles are black-bodied with narrow whitish blue bands.

Current Listing Status Summary
Status Date Listed Lead Region Where Listed
03/03/1978 Southeast Region (Region 4) Entire

» Federal Register Documents

Federal Register Documents
Date Citation Page Title
08/01/1977 42 FR 38921 38924 Proposed Threatened Status for Eastern Indigo Snake; 42 FR 38921 38924 (Dyrmarchon corais couperi)
01/31/1978 43 FR 4026 4029 Final Determination of Threatened Status for the Eastern Indigo Snake
09/08/2006 71 FR 53127 53129 Endangered and Threatened Wildlife and Plants; 5-Year Review of 14 Southeastern Species

» Recovery

Current Recovery Plan(s)
Date Title Plan Action Status Plan Status
04/22/1982 Eastern Indigo Snake View Implementation Progress Final
Other Recovery Documents
Date Citation Page Title Document Type
09/08/2006 71 FR 53127 53129 Endangered and Threatened Wildlife and Plants; 5-Year Review of 14 Southeastern Species
  • Notice 5-year Review, Initiation
Five Year Review
Date Title
04/29/2008 Eastern Indigo Snake 5-Year Review

» Critical Habitat

No critical habitat rules have been published for the Eastern Indigo snake, Entire.

» Conservation Plans

Habitat Conservation Plans (HCP) (learn more)
HCP Plan Summaries
Atlantis at Tequesta
Big Pine Key Deer
Cavalear Co. (Cloisters)
City of Palm Bay
Heron's Cove
Home Depot
Langboard, Inc.
M. Kodsi of Lantana Development (Milford/Martesia Project)
Mortgage Management, L.P.
Mosaic Fertilizer, LLC
Nold, Linda B.
Oakmont Grove Venture
On Top of the World (II)
Palm Coast Blue Water and Matanza Shores
The Plantation at Leesburg
Towne Realty Company (Satellite Motel Time Share)
Wal-Mart Corporation
Walz and Company of Sebring (Palm Haven Development)
Waterside Down (Cochran)
Waterside Down (Cochran) Amendment #1 (phase II)
Safe Harbor Agreements (SHA): (learn more)
SHA Plan Summaries
GA DNR Statewide RCW HCP & SHA - Amendment #2

» Petitions

» Life History

No Life History information has been entered into this system for this species.

» Other Resources

NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.