An errant seal, spotted in the Tukituki River, is thought to have been there since last Friday.
Lyndy Allen was out on a routine whitebait trip when she saw the marine mammal splashing about on Sunday.
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The incident was a first for the experienced whitebaiter.
"It's not very usual at all," she said.
Ms Allen said the seal pup had obviously come up the river mouth to feed.
"He just sits there and relaxes. He's a bit of a poser."