The green anaconda can grow to more than 20 feet in length and is considered the heaviest snake in the world.
Thompson can double the number of snakes he keeps, but cannot reduce the number by selling them.
Scott Nellis can continue to breed certain snakes in his home-based business.
The state has labeled the smooth green snake as "in greatest need of conservation."
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School teacher became distraught after death of his mother and neglected his snakes.
Protections for these snakes will go into effect August 7, 2014.
About 15 of 50 reptiles perish at Lilydale High School in Melbourne.
35 snakes were taken, including a pied tiger reticulated python worth $12,500.