(George B) wrote:

I wanted to start a venus flytrap garden in an
aquarium and was afraid of what it may do to my cat or dog. What if
the animals ate the plants??

http://www.humane-so-arizona.org/Poisonous%20plants.pdf

According to this, all parts of a venus flytrap are toxic if ingested.

I'd suggest nixing the idea of venus flytraps if you have animals.