Family
Colubridae
8 species in 6 genera. Maximum lifespan ranges from 9.6 years (Northern water snake) to 21.1 years (Red-headed rat snake).
Species
8
with a complete mtDNA
Median GC
39.3%
Range 37.2–41.8%
Genera
6
Largest: Elaphe (3)
Overview
The Colubridae tree
Select a clade to look insideOuter ring: Maximum lifespan, log scale
Each ring is one rank. Scroll or use + and − to zoom, drag to move; select a group to zoom into it, a species to open it.
Genera of Colubridae
6 genera, by species countWhere Colubridae sit among 2,335 species
Whole-genome GC content against maximum lifespan. Hover or tap a point; select it again to open the species.
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- Colubridae (8)
- Other species
Longest-lived
Top 5 and the shortest-livedSpecies in Colubridae
Select a column to sort| Elaphe moellendorffi | Red-headed rat snake | 21.1 yr | 17,191 bp | 38.54% |
| Elaphe schrenckii | Russian ratsnake | 13.7 yr | 17,165 bp | 38.85% |
| Lycodon rufozonatus | Red barded snake | 13.7 yr | 17,188 bp | 40.85% |
| Hypsiglena torquata | Night snake | 12.2 yr | 17,203 bp | 41.04% |
| Elaphe taeniura | Taipan beauty snake | 11.6 yr | 17,183 bp | 39.70% |
| Ptyas mucosa | Indian rat snake | 11.3 yr | 17,151 bp | 37.15% |
| Coluber constrictor | Eastern racer, or Northern black racer | 10 yr | 17,142 bp | 38.95% |
| Nerodia sipedon | Northern water snake | 9.6 yr | 17,706 bp | 41.84% |