Here is some info on both:

Goldfish will need a 55 gallon tank in no time.They can live 20 plus years.The oldest i have heard is 42 years.


Hermit Crabs should be keep in twos they are very social.They need misting with a water bottle every day(i think).They need a heat lamp and drink water form a sponge.Hermies need a very mosit housing.They molt and are very fragile at this time.
www.hermit-crabs.com

(great website)