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Pelophylax kl. grafi
Hybrid amphibian From Wikipedia, the free encyclopedia
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Graf's hybrid frog (Pelophylax kl. grafi) is a hybridogenic species in the true frog family Ranidae. It is found in France and Spain. Its natural habitats are rivers, intermittent rivers, swamps, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marshes, arable land, pastureland, and heavily degraded former forest. It is becoming rare due to habitat loss.
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Taxonomy
It is a hybrid between Perez's frog and the marsh frog. It is called Grenouille de Graf in French.[1]
Description
Graf's hybrid frog is a medium to large frog, with a length of around 12 cm. It is typically green, with dark spots on the back and sometimes a light green band along the center of the back. It can vary in color quite significantly from brown to grayish-brown. It has a bright yellow iris with horizontal oval pupils and visible eardrums. The skin is smooth or slightly bumpy. Males have two white vocal sacs. Eggs have a diameter of between 1 and 2.5 mm, are light brown above and yellowish below.[1]
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Distribution
The species is found widely throughout southern France and portions of the Iberian Peninsula. It inhabits a wide variety of aquatic habitats, including freshwater and brackish water bodies of natural or man-made origin.[1]
Ecology
Graf's hybrid frog is a fertile hybrid. Frogs mate via amplexus, with females laying 800 to several thousands eggs in several clusters in shallow water or near vegetation. These eggs are then fertilized by the male.[1]
See also
References
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