Oophaga is a genus of poison-dart frogs containing nine species, many of which were formerly in the Dendrobates genus. The frogs are distributed in Central and South America, from Nicaragua through the Colombian El Choco to northern Ecuador (at elevations below 1,200 m (3,900 ft)). Their habitats vary with some species being arboreal while other being terrestrial, but the common feature is that their tadpoles are obligate egg feeders.

Etymology

Oophaga, Greek for "egg eater" (oon, phagos), is descriptive of the tadpoles' diet.

Reproduction

While presumably all dendrobatids show parental care, this is unusually advanced in Oophaga: the tadpoles feed exclusively on unfertilized eggs supplied as food by the mother; the father is not involved. Through the eggs, the mother also passes defensive toxins to the tadpoles: Oophaga pumilio tadpoles experimentally fed with eggs from alkaloid-free frogs did not contain alkaloids.

Species

There are nine species in this genus:

Oophaga arborea (Myers, Daly, and Martínez, 1984) — Polkadot poison frog
Oophaga granulifera (Taylor, 1958) — Granular poison frog
Oophaga histrionica (Berthold, 1845) — Harlequin poison frog
Oophaga lehmanni (Myers and Daly, 1976) — Lehmann's poison frog
Oophaga occultator (Myers and Daly, 1976) — La Brea poison frog
Oophaga pumilio (Schmidt, 1857) — Strawberry poison-dart frog
Oophaga speciosa (Schmidt, 1857) — Splendid poison frog
Oophaga sylvatica (Funkhouser, 1956) — Diablito poison frog
Oophaga vicentei (Jungfer, Weygoldt, and Juraske, 1996) — Vicente's poison frog
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Captivity

Oophaga are kept as pets, but they are challenging to breed in captivity. Oophaga pumilio, however, is easier to breed and popular.


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