Why do Freshwater Polka Dot Stingrays often require hand-feeding?

Answer

The genetic features that make them prized can undermine their natural hunting instinct.

Because their prized genetic features, such as the U-shaped head, can impair their natural hunting instinct, these rays often need to be hand-fed.

Why do Freshwater Polka Dot Stingrays often require hand-feeding?
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