Originally Posted by esshup
How to sex the female LMB?

Is observation of being massively gravid during the LMB spawning period fool-proof enough for amateurs? Or would you recommend the insertion of a cannula to reject males - also performed at peak spawn?

I am also worried about correctly identifying the sex of the CNBG. Can that be done correctly by amateurs considering there is no true period of "peak spawn" for them?