HERPADEX
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Basic information
Thamnophis cyrtopsis
Black-necked Garter Snake
KingdomAnimalia
PhylumChordata
ClassReptiles
OrderAmphisbaenians
FamilyColubrid Snakes
GenusGarter snake
- English name
- Black-necked Garter Snake
- Alternative names
- Black-necked Gartersnake, Blackneck Garter Snake, Eastern Blackneck Garter Snake), Jarretera Cuello-negro, Östliche Schwarznacken-Strumpfbandnatter)
- Synonyms
- Eutaenia aurata, Eutaenia cyrtopsis, Eutaenia cyrtopsis ocellata, Thamnophis cyrtopsis cyclides, Thamnophis vicinus, Tropidonotus (Eutainia) collaris
Distribution and environment
- Biome
- Desert, Forest, Grassland, Mountain, Riparian wetland, Scrubland, Shrubland, Wetland
- Microhabitat
- Fossorial and/or ground-dwelling only, Ground, Semi-aquatic, Terrestrial
Size and appearance
- Body length
- max 1,145 mm
- Body mass
- max 443.8 g
- Hatchling mass
- ~1.74 g
Biological characteristics
- Longevity
- max 15 years
- Activity
- Crepuscular, Diurnal, Nocturnal
- Diet
- Amphibians, Carnivore, Crustaceans, Fish, Insects, Reptiles, Worms
- Foraging mode
- Mixed
- Body temperature
- 9–35 °C
Reproduction and development
- Reproductive mode
- Viviparous
- Clutch size
- 9–10 individuals
- Clutches per year
- ~1 × per year
Health and safety
- Venomous
- Yes
Information sources
- Biological data sources
- Catalogue of Life, eol traitbank, ReptTraits, SquamBase
- Original documentation
- Catalogue of Life · 563KG · COL26.10
- Original documentation
- eol traitbank · eol-2b1a6945e807cb8f26a5d28f00d1aab20ae38efbd77156a3c75f0e40e77d
- Original documentation
- ReptTraits · figshare-v4
- Original documentation
- SquamBase · 19238 · dryad-v5