Origin: Breeding form, no natural occurrence.
Natural ancestors: Poecilia velifera, Poecilia sphenops, and Poecilia latipinna. The currently available forms are mostly crossings between several of these fish.
First bred by: Unk.
Description: See pictures, numerous different types have been bred, sailfin molly, spotted mollies, lyretail mollies.
Care: Larger tanks with higher temperatures, and hard slightly alkaline water. Salt addition is not required but recommended(2 grams/liter). Sensitive to changes in waterquality, small frequent waterchanges are better than occasional larger changes. Wel suited for the community tank, although more sensitive than platy's or swordtails.
Feeding:Omnivorous, all food is taken. Algae or vegetables should be present in the menu!
Size: Depending on the form 6-10 cm.
Breeding: The fish should not be bred to early, a minimum age of 6 months, but it's better to breed with animals that are a year old.
Sexual dimorphism:Males with larger dorsal fin, and with gonopodium.
Prices: Netherlands: 0.50-1€.
Additional: Black mollies are a very good disease indicator species, Ich and oodinium are immediately visible. Black mollies are furthermore very decent algae eaters.
In the tail section some of the melano cells may develop cancerous growths.
Picture references:All pictures E. Naus
References: Weiss, W.(1968): Aquariumvissen.N.V. W. J. Thieme bv, Zutphen, The Netherlands.Baensch, H. A., Riehl, R.(1982): Aquarien Atlas I. Mergus Verlag, Melle, Germany.
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