Snake feeder allows you to stores multiple snakes and when they last had a meal. You can then just ask Alexa whenever you need reminding by saying "Alexa, ask snake feeder when I fed Slither".
When you have fed your snake just tell Alexa that you have fed your snake. If you have multiple snakes setup you need to specify the snakes name.
You can add or delete snakes in your list by saying add followed by your snakes name and then follow the instructions. To remind yourself what snakes you have in your list say "Alexa, read list". You can also reset your list by saying "Alexa, reset list"