The most common species of mollies sold in fish stores will be the sailfin molly, Poecilia latipinna, the black or short-fin molly, Thank you for browsing! By the way… any one-way links on this site that result in solutions on Amazon together with other stores/companions are affiliate one-way links Aquarium https://aquariumshops.art.blog/2023/07/18/benefits-of-professional-aquarium-cleaning-services/