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Family Aplocheilidae - Killifishes

Order:

Cyprinodontiformes

Class:

Actinopterygii (ray-finned fishes)

No. of Genera:

No. of Species:

310

Environment:

Fresh: Yes Brackish: Yes Marine: No

Aquarium:

many

First Fossil Record:

Ref.:

Remark:

Distribution: Africa, southern Asia, southern North America to South America. Small space between pelvic fin bases. Metapterygoid present. Basibranchials 3. First two dorsal radials each with a ray. One species, Rivulus marmoratus, is a true hermaphrodite (self-fertilizing). Two species with internal fertilization; one species with gonopodium. Egg-laying. Some species are annuals.

Etymology:

Greek, haploos = single + Greek, chele = claw ( Ref. 45335).

Division:

Secondary freshwater

Reproductive guild:

mixed

Main Ref.:

Nelson, J.S..1994

Coordinator:

Costa, Wilson J.E.M.

Show species | Nominal species list for Aplocheilidae | Identification keys | CAS specimen photos | References

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