Sex­ing Mon­te­cristos

Practical Fishkeeping (UK) - - Species Showcase -

As with many Cen­tral Amer­i­can cich­lids, sex­ing young Os­cura het­erospila is tricky. You may no­tice slight sex­ual di­mor­phism as the fish de­velop. Male fish tend to be a lit­tle darker than fe­males and will start to de­velop a much more pointed dor­sal fin. Fe­males ap­pear a lit­tle more rounded.

To en­sure a good male to fe­male ra­tio, buy a group of ju­ve­niles.

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