African bullfrog

The African bullfrog (Pyxicephalus adspersus) is a large, burrowing frog native to sub-Saharan Africa. Males guard tadpoles in drying pools and can grow much larger than females.

Aestivation: A dormant state that helps animals survive prolonged heat or drought by reducing activity and water loss. African bullfrogs aestivate underground through dry periods, sometimes within a cocoon formed from shed skin.
Amphibian conservation: The protection and management of amphibian species, habitats, and populations. Habitat loss and collection pressures make conservation relevant to this widespread but locally affected species.
Pyxicephalus: A genus of large African frogs in the family Pyxicephalidae. The African bullfrog is the genus’s best-known species.
Parental care in Pyxicephalus adspersus: Male African bullfrogs guard eggs and tadpoles and may alter pool channels to keep offspring in water. This species is known for unusually active male care in drying breeding pools.
Phytotelma: A small water-filled cavity in a plant that serves as a habitat for aquatic organisms. Rain-filled depressions where bullfrogs breed can shrink into isolated pools requiring parental protection.
CITES: An international agreement regulating trade in wild animals and plants and their products. International trade rules shape how African bullfrogs may be moved across borders.
African clawed frog: A fully aquatic African frog, Xenopus laevis, with clawed hind toes and no tongue. Both are African frogs, but the clawed frog is aquatic and belongs to a different family.
Sexual cannibalism: Cannibalism in which one sex consumes a mate or potential mate. The bullfrog’s tadpole cannibalism is not the mate-eating behavior described by this term.
Parental care in amphibians: Behaviors by amphibians that protect or provision eggs and offspring. The male’s pool-guarding and tadpole-tending are striking examples of amphibian parental care.
Herpetoculture: The captive keeping and breeding of reptiles and amphibians. African bullfrogs are kept in captivity, where their size, burrowing, and feeding needs shape husbandry.

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Amphibian metamorphosisBroader topic: Its transformation offers a contrasting example of a typical frog life cycle.