I got these from cichlid dojo black tuna on here. Really great fish been healthy as could be at arrival and have stayed that way whole time I've had them. Survived that crazy freezing weather we got here in texas not long back with a battery powered aerator no electric for 4 days using a propane heater that barely helped. Will definitely be getting a generator before winter this year. Wanting to order some of his carpintis "escondido" soon