Mangrove Watersnakes are amazing animals, aren't they? I bred them for the first time last year. I didn't breed any Mangroves this year but I'm expecting some Gulf Salt Marsh babies any day now.
As far as their colors, there really is no good way to predict what colors the babies will be. For instance, I received 12 red phase babies from an red female X black/red male. I would have expected at least one black baby. Where did you get your adults, if I may ask?
I really like that black and red neonate in your picture too. I don't see too many of those.
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Pierson Hill

Herpetology and Herpetoculture