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Stomach; Left lung; ... The genome sizes range from 0.95 to 11.5 pg in frogs, from 13.89 to 120.56 pg in salamanders, and from 2.94 to 11.78 pg in caecilians. [136]
Eggs found in females measured up to 5.1 mm in diameter and had large yolk supplies. These large supplies are common among species that live entirely off yolk during their development. Most female frogs had around 40 ripe eggs, almost double that of the number of juveniles ever found in the stomach (21–26).
[162] [163] Leptodactylus mystaceus has been found to eat plants, [164] [165] and folivory occurs in Euphlyctis hexadactylus, with plants constituting 79.5% of its diet by volume. [166] Many frogs use their sticky tongues to catch prey, while others simply grab them with their mouths. [167] Adult frogs are themselves attacked by many predators.
The skin fragments that were found in their stomach are an indication that these frogs commit cannibalism or eat their own skin which is common among amphibians. Based on these results, P. pipa is an ambush predator that will opportunistically eat anything that falls into the water or that it may encounter when occasionally foraging on land.
The list below largely follows Darrel Frost's Amphibian Species of the World (ASW), Version 5.5 (31 January 2011). Another classification, which largely follows Frost, but deviates from it in part is the one of AmphibiaWeb , which is run by the California Academy of Sciences and several of universities.
Unlike other frogs, they have no tongue to extend to catch food, so clawed frogs use their hands to grab food and shovel it into their mouths. [13] These frogs are particularly cannibalistic; the stomach contents of feral clawed frogs in California have revealed large amounts of the frog's larvae. [14]
In 1976, the Southern gastric-brooding frog's population was estimated at 78 individuals in the Booloumba Creek and Conondale Range regions. [4] The Southern gastric-brooding frog suffered from population decline after the winter of 1979. [4] The last recording of the frog in the wild was 1981. [4] In 1983, the last known captive specimen died. [4]
Dancing frogs: Black torrent frog (Micrixalus saxicola) Microhylidae (Günther, 1858) 57: Narrow-mouthed frogs: Eastern narrow-mouthed toad (Gastrophryne carolinensis) Myobatrachidae (Schlegel In Gray, 1850) 14: Australian ground frogs: Great barred frog (Mixophyes fasciolatus) Nyctibatrachidae Blommers-Schlösser, 1993: 3: Robust frogs, night ...