I finally found a wholesaler who has hypostomus basilisko and who can sex them for me for sale.
To be sure, I would like to have your confirmation (or not) that mine is indeed a male:
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So I'm going to order a female, but I'm hesitant to take two. What do you recommend ?
The last one I ordered (unsexed) which turned out to be a male, was rusted by mine (which was double the size). Knowing that my pleco measures approximately 20cm SL and that the female(s) will only be 9cm SL, what procedure should I follow so that he does not attack them?