No. 18Reptiles · Wildlife compendium
Corn snake
A corn snake coiled in a terrarium in the second trailer. It is a captive animal and there is no confirmation that it counts as a wild species of the compendium.
Where it has been seen
Not seen in any area yet. The six will light up as sightings come in.
When it appears
No times yet: they arrive with the first in-game sightings, from 19 November.
Sightings
RockstarTrailer 2 · 1:29Official
✓ Checked against the video
No player sightings yet: the game comes out on 19 November.