hello I’m writing because my husband found a blue belly lizard about 2 years ago he is in a 100 gal tank with sand and all the things needed to house a lizard but... its been about 1 week now and he seams to be sick he sits in one place for the most part eyes always closed on his sides by back legs is sunk in he just doesn’t look good my husband said he has seen him gasp for air at times I’m really scared for this Lil guy we have all grown close to him cant afford a vet bill any suggestions on whats wrong or what to do ? PLEASE HELP THANK YOU