Ah yes, one can always use the 'lavage' method too which does not kill the fish.

This was demonstrated at one of the Pond Boss Conferences.

Theo had developed the slogan for that show: "Come for the otolith aging, stay for the lepomis sexing!"



....or something like that.


Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."