Common Name Rathbun’s Bloodfin, Green Fire Tetra, Rathbuni Bloodfin Tetra Scientific Name Aphyocharax Rathbuni Size 5.5cm Origin South American River ( Rio Paraguay) Tank Setup Community Tank Temperature 24 – 28 degrees Feeding Omnivorous, tend to be happy with just pellets and flakes. Gender Males have a white tip on the dorsal, anal and pelvic fins. The Rathbun’s Bloodfin is a rare version of the Glass Bloodfin, they are hardy and go great in a community setup with lots of plants. They tend to swim in shoals about 6 or more and can be kept with other tetras and even barbs. Great for the beginner or just anyone who wants to add some more colour into their aquarium.