The Redtail Splitfin Goodeid, scientifically referred to as Xenotoca eiseni, is a captivating and distinctive freshwater fish highly esteemed for its vibrant colors, unique split tail, and conservation significance. Originating from the rivers and streams of Mexico, particularly in the Rio Grande and adjacent basins, this species belongs to the family Goodeidae.
This fish is known for its striking appearance, featuring a slender body and a distinctive split or forked tail fin, which gives it a remarkable and eye-catching appearance. The male Redtail Splitfin Goodeid showcases vibrant colors, with a base body color ranging from olive-green to golden-yellow, accented by striking red hues on the upper portions of the tail and fins. Females typically display more subdued coloration.
A distinguishing characteristic of this species is its viviparous nature, meaning they give birth to live young rather than laying eggs. Redtail Splitfin Goodeids are part of an endangered species group, emphasizing their importance in conservation efforts within the aquarist community.
These fish prefer a well-oxygenated aquarium with ample swimming space and areas for hiding among plants and decorations. Maintaining stable water conditions is crucial for their well-being. They thrive in slightly alkaline to neutral water with temperatures ranging from 68°F to 75°F (20°C to 24°C) and a pH level between 7.0 to 8.0.
Redtail Splitfin Goodeids are omnivorous and typically accept a varied diet. They consume high-quality flake or pellet foods and benefit from a diet supplemented with live or frozen treats like bloodworms, brine shrimp, and small insects. Providing a diverse diet ensures they receive essential nutrients for optimal health and coloration.
Breeding Redtail Splitfin Goodeids in captivity can be a rewarding endeavor. They are livebearers, and females give birth to live fry. Creating a separate breeding tank with suitable hiding spots, plants, and appropriate water parameters stimulates breeding behavior.
This Fish is currently classified as ENDANGERED. By taking on breeding this species you can help maintain a healthy population and fight against loss of wild populations!
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