- Killifish are oviparous or egg-laying fish.
- There are around 1,270 species of killifish.
- Size - Most killifish species are relatively small, typically reaching a length of 1-2 inches (2.5-5 cm), although some can grow larger.
- Appearance – Generally, male killifish will be far more colorful and have much more developed finnage than females.
- Habitat - Killifish live in small pools of water in the wild, which may occasionally dry up.
- This means that some species are not particularly long-lived and are unlikely to live for over 2 years.
- Distribution – They are mainly found in the fresh or brackish waters of the Americas, southern Europe, much of Africa, the Middle East and Asia.
- Diet - In the wild, killifish eat small crustaceans, insects, and seeds, while in aquariums, they can be fed live or frozen foods like brine shrimp, daphnia, and mosquito larvae.
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