Hi there! She does not look to be a sulfur, but actually a butter motley. At 16 grams, she could definitely be eating either a large pinkie every 5 days, or 2 small pinkies, or even a peach fuzzie (not a regular fuzzie just yet). They grow pretty slowly on pinkies, especially if the schedule is longer than 5 days. She may also just be a slow grower. I think you will see a little growth spurt once you move up her feeder size, though.
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