Sexing and Staging Workshop

Fully developed male lake sturgeon gonads	Virgin juvenile and developing male lake sturgeon gonads	Virgin juvenile female lake sturgeon gonads	Early developing female lake sturgeon gonads
Early "yellow egg" female lake sturgeon gonads	"Black egg" and spent/recovering female lake sturgeon gonads	Lake sturgeon used during the workshop	Black eggs of lake sturgeon
Initial incision - 1	Initial incision - 2	Use of tissue forceps to pull back the skin	Insertion of allis forceps to manipulate the gonad
Use of the flashlight	Extraction of the gonadal tissue - 1	Observation of the gonadal tissue	Sexing by examination of the gonad
Closing the incision with sutures	Lake sturgeon abdominal surface	Initial incision - 3	Insertion of allis forceps - 2
Extraction of the gonadal tissue - 2	Opened abdominal cavity of lake sturgeon - 1	Opened abdominal cavity of lake sturgeon - 2	Examination of the gonads - 1
Examination of the gonads - 2	Examination of the gonads - 3	Dissection of an egg of lake sturgeon