Kubizwe ngokwesayensi Ama-Poecilia Sphenops, le nhlanzi eyaziwa ngokuthi uMolly, ingeyomndeni wakwaPoeciliidae, ohlala endaweni yaseMexico nase-United States. Ngokuvamile lolu hlobo luvame ukuhlala ngamaqembu, imvamisa emanzini ahambayo ahamba njalo.
Lezi izinhlanzi ze-molly, bane-dimorphism yezocansi, okungukuthi, abesifazane bakhulu kakhulu kunabesilisa, balinganisa phakathi kwamasentimitha ayi-7 kuye kwayi-11, kanti owesilisa uMolly akafinyeleli kubude obungamasentimitha ama-5. Ngokunjalo, umphetho womgogodla wenhlanzi yesilisa ukhule kakhulu kunowesifazane kanti umphetho wengquza yakhe usuphenduke isitho sangasese sokuzala.
La ma-minnows abonakala ngokuba nemibala ehlukene, kuye ngohlobo, imvelaphi nobulili. Enye yezinhlobo ezivame kakhulu zalezi zilwane i- i-melanic, okungukuthi, zimnyama ngokuphelele. Yize inhlobonhlobo enhle impela futhi ehlaba umxhwele, ibucayi kakhulu futhi ibucayi kunezinye, futhi idinga ukunakekelwa okuningi ngoba bathambekele ezifweni ezithile.
Uma ucabanga ukuba nesinye salezi zilwane e-aquarium yakho, kufanele wazi ukuthi i-aquarium akufanele ibe nezinto zokuhlobisa noma izitshalo eziqukethe izinkuni, ngoba lokhu kwenza amanzi pH iwela ngaphansi kwe-7, okuzoba yingozi futhi kube yingozi ezilwaneni. Kubalulekile ukuthi ukhumbule ukuthi ku-aquarium egcina lezi zilwane, kufanele ubeke izitshalo ezingamelana nokuba khona kukasawoti emanzini. Ngendlela efanayo, kubaluleke kakhulu ukuthi ugcine engqondweni ukuthi izinga lokushisa kwamanzi echibini lakho, ukuze inhlanzi iMolly ikhule futhi iphile kahle, kufanele ibe phakathi kuka-25 no-28 degrees Celsius.