🔥 Redtail Nothobranchius Killifish (Nothobranchius guentheri / Redtail Notho) Add explosive colour and rare seasonal beauty to your aquarium with the striking Redtail Notho Killifish. Known for its vivid blue-green body contrasted with a bold red tail, this species is one of the most intense and visually dramatic killifish available in the hobby. As an annual killifish, it offers a truly unique life cycle, with males displaying exceptional colouration and activity during their relatively short but vibrant lifespan. 🌿 Why Choose Redtail Notho Killifish? ❤️ Bright, contrasting red tail fin💙 Iridescent blue-green body shimmer🐠 Rare and highly colourful annual killifish🌱 Best suited to species or planted specialist setups⭐ Unique and sought-after killifish in the UK Males are especially striking, constantly displaying and showing off their colours when in good condition and a well-maintained setup. 📏 Care Requirements 🧬 Scientific Name: Nothobranchius guentheri (Redtail Notho type)📛 Common Name: Redtail Nothobranchius Killifish🏠 Tank Size: 20L+ recommended🌡️ Temperature: 22–26°C⚗️ pH Range: 6.0–7.5🧘 Temperament: Semi-peaceful (males can be territorial)🍽️ Diet: Live & frozen foods strongly preferred, accepts quality small pellets👥 Group Size: 1 male with 2–3 females recommended Redtail Nothos thrive in lightly planted aquariums with open swimming space, soft substrate, and calm water conditions. 🐠 Compatibility Best kept in species-only or carefully planned community setups. Suitable tank mates are limited due to their temperament and feeding needs. Avoid fast or aggressive fish and fin-nippers. Important Notes Redtail Nothos are annual killifish, meaning they have a naturally short lifespan (often around 9–12 months). They are best appreciated for their intense colour, behaviour, and unique life cycle. They are also excellent jumpers, so a secure lid is essential. The Redtail Nothobranchius Killifish is a fantastic choice for UK aquarists looking for a rare, high-impact species that delivers incredible colour, personality, and a truly unique aquarium experience.