IT SEEMS THE GUIDELINES FOR CROCS ARE WAY OFF IN MY OPINION, OR MAYBE MINE IS JUST PLAIN LAZY. I USE A 10X12 BEDROOM AS ITS ENCLOSURE, THE WATER SOURCE IS A LARGE VISION TUB(76"L40"W22"H) IT IS DECORATED VERY NICE WITH THE TUB SUNK IN THE FRAME. I HAVE FAKE TREES ROCKS EVEN A CAVE. MY CAIMAN USES ABOUT A 1/4 OF THE SPACE, IF HE IS NOT SITTING IN HIS POOL YOU'LL FIND HIM ON A BIG PIECE OF SLATE ROCK UNDER ONE OF HIS LIGHTS. HE NEVER SEEMS TO TRAVEL AROUND. HE IS VERY HEALTHY ABOUT 41/2 FOOT AND MEAN AS THE DEVIL. IS THIS NORMAL, IF IT IS THEN WHY IS SO MUCH ROOM ADVISED. I KEEP BURMS AS WELL AND THE STANDARD FOR BURMS IN EXCESS OF 15 FOOT IS FOUR FOOT X EIGHT FOOT, NOT MUCH ROOM AT ALL. I LOVE HIS ENCLOSURE I JUST THOUGHT I WOULD SEE HIM MOVE AROUND MORE. TAKE CARE...JASON