Killifish

Least Killifish (Heterandria formosa)

North America’s smallest livebearer drips fry a few at a time from vegetated southeastern marshes. Heterandria formosa needs moss, micro-foods, a…

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Rachov’s notho is an annual killifish from Mozambican rain pools: brilliant short-lived males, peat-spawned eggs, and a script that ends when the…

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A practical care guide to the Clown Killifish, covering aquarium size, water conditions, diet, breeding and compatible tank mates.

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A practical care guide to the Golden Wonder Killifish, covering aquarium size, water conditions, diet, breeding and compatible tank mates.

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Killifish range from colorful annual peat spawners to hardy classroom fish — pick non-annual species first.

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A practical care guide to keeping American Flagfish (Jordanella floridae) healthy in the home aquarium.

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Poropanchax normani, commonly known as the Norman’s Lampeye, is a small but captivating freshwater fish prized for its subtle elegance and shimme…

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The Black-finned Pearl Killifish (Austrolebias nigripinnis) is a fascinating annual killifish species prized by experienced aquarists for its strik…

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The Zanzibar Killifish, scientifically known as Nothobranchius guentheri ‘Zanzibar’, is an eye-catching and fascinating annual killifish origin…

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Fundulopanchax gardneri, more commonly known as Gardner’s Killifish, is one of the most iconic and widely kept species in the killifish hobby. Kn…

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The Lyretail Killifish, Aphyosemion australe, is one of the most beloved species within the diverse Killifish family. Known for its graceful fin ex…

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