A net for keeping fish alive until they are returned to the water.
〔渔〕（将鱼放回水中之前用的）暂养鱼网
Example sentencesExamples
Changes affecting the ever-popular Laybourne Lakes include banning keepnets, other than in match conditions.
While passing over Clifton bridge earlier this week I was amazed to see an angler fishing downstream of the bridge on the York bank complete with keepnet.
Beware though: hooking the prize catch is one thing, securing it in your keepnet another.
I have also witnessed an angler with a double figure barbel in his keepnet which was being transported along the bank so his son could take a picture.
Although I'm occasionally selfish enough to want a picture of a nice mixed bag of fish at the end of the day, I never put grayling into a keepnet.