I posted my identification process for the nerite snails in another thread a while back:
http://www.aquaticquotient.com/forum...the-plant-leaf
But will just re-post it here for easier reference:
"In my case, what i do is buy a batch of horned nerite snails (usually 10-12 at a time), and put them in a spare quarantine/holding tank with lots of algae on the glass so that they can graze.
Then i observe 3 points to ID their gender:
- Which ones keep climbing on other snails all the time (possible male on top).
- Which ones are seen producing a white stringy goo when on top of another snail (confirm male).
- Which ones are seen actually laying eggs (confirmed female).
I'll then use a fine tipped permanent marker to label the shells on the males and females (black dot for males, black stripe for females). The males i transfer to my display tank, the females i transfer to grow-out and outdoor tanks.
It can take a few days (sometimes longer) to ID the males and females... some will be ambiguous too (those i leave in the holding tank for further observation or just label them as female by default). So its just a matter of observation and time."
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