I've always considered "Hatchling" up to 350 gr. or so.
However, it is important that a hatchling doesn't get sold (or dragged to shows) until they have shed (few days after hatching) and then have had a few good meals in them. Its what we call an "established" hatchling.
Some people say not to buy one under 100 gr. But I feel the most important part is to get one that has eaten a few meals. Whether it is around 80-90 gr. or over 100 gr. Some just start out smaller then others.
Long story short, this is why its important to buy form a REPUTABLE breeder. They wouldn't sell a hatchling that hasn't eaten a few good meals.
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