Coelognathus e. erythrurus - Red Tailed Philippine Ratsnake

29 Apr 2010

Common Names: Red Tailed Philippine Ratsnake
Scientific Name: Coelognathus erythrurus erythrurus
First Described: DUMERIL, BIBRON, DUMERIL, 1854


Adult Size:

Defensive with a threat display similar to that of Coleognathus radiatus

Temperature Range:
29°C (84°F) - 25°C (77°F)

Humidity Requirements:
70-80%, Provide a humid hide and spray daily when approaching a slough

Brumation not needed

Multiple clutches produced throughout the year, typically 6-10 in each clutch which take between 90 and 120 days to hatch

Known Mutations:
No known mutations

Natural History:
Inhabits a wide variety of habitats, frequently found in cultivated areas such as rice fields and plantations at heights over 850m above sea level. The Red Tailed Philippine Ratsnake has also been found in the savanna areas of these islands with sparse vegetation as well as open areas in rain forests, near villages and even inside houses. It favours areas near water and can be found hiding under piles of leaf debris, wood and coconut shells.

Native To:
Philippine Islands of Pacijian, Ponson, Poro, Basilan, Siasi, Bohol, Camiguin, Dinagat, Leyte, Mindanao and Samur

Scale Counts:
Ventrals: 211-227
Subcaudals: 90-107
Dorsals: 21

  • Philippine Ratsnake
  • Author: Rafael Mendoza
  • Philippine Ratsnake
  • Author: Herpasia
  • Philippine Ratsnake
  • Author: Rafael Mendoza
  • Philippine Ratsnake
  • Author: Rafael Mendoza
  • Philippine Ratsnake
  • Author: Rafael Mendoza

Conservation Status:
IUCN Red List:

Photo Credit: Rafael Mendoz

Posted: 9 months 4 weeks ago by sue #60
sue's Avatar
I'm sorry we don't have any locality information for the specimen in the photos, it was a captive hatched animal.
Posted: 10 months 2 weeks ago by fish #58
fish's Avatar
what is the locality of this rat snake?