The yellow-throated terrapin knows its owner, it only knows the people who feed it regularly. Yellow-throated terrapins are relatively low-IQ creatures, and they don't have such a high IQ to distinguish themselves from others.

The yellow-throated terrapin are very timid, In their cognition there are only edible and inedible, safe and dangerous. If the owner of the home often feeds the yellow-throated terrapin himself, bathes, cleans, plays with it, and interacts with it, then it will gradually become familiar with the owner and lower the owner from the dangerous level to the safe level.