Cyprinodontiformes
From Wikipedia, the free encyclopedia
| Cyprinodontiformes | ||||||||
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 Mummichog
(Fundulus heteroclitus heteroclitus) |
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Anablepidae (Four-eyed fish) |
The Cyprinodontiformes is an order of ray-finned fish, also called the Microcyprini, and comprising mostly small, fresh-water fish. They are closely related to the Atheriniformes and are occasionally included with them. Many popular aquarium fish, such as killifish and live-bearers, belong here.
Members of this order are notable for inhabiting harsh environments, such as saline or very warm waters, water of poor quality, or isolated situations where no other types of fish occur. They are typically omnivores, and often live near the surface, where the oxygen-rich water compensates for environmental disadvantages.
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[edit] Reproduction
The families of Cyprinodontiformes can be divided into three groups: viviparous and ovoviviparous (all species give live birth), and oviparous (all species egg-laying).
[edit] Viviparous family
- Goodeidae – Splitfins
[edit] Ovoviviparous families
- Anablepidae – Four-eyed fish
- Poeciliidae – Live-bearers
[edit] Oviparous families
- Aplocheilidae – Killifishes
- Cyprinodontidae – Pupfishes
- Fundulidae – Topminnows and killifishes
- Profundulidae – Middle American killifishes
- Rivulidae – Rivulines
- Valenciidae
[edit] References
"Cyprinodontiformes". FishBase. Ed. Ranier Froese and Daniel Pauly. August 2007 version. N.p.: FishBase, 2007.
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