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A tadpole or polliwog (also spelled pollywog) is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish -like features that may not be found in adult amphibians such as a lateral line, gills and swimming tails.
The adult male frog measures 19.0 to 25.8 mm in snout-vent length and the adult female frog 21.3 to 28.9 mm. The skin of the dorsum shows cryptic coloration: It is black or dark brown in color.
The Tadpole Galaxy, also known as UGC 10214[2] and Arp 188, [3] is a disrupted barred spiral galaxy located 420 million light-years from Earth in the northern constellation Draco. Its most dramatic feature is a trail of stars about 280,000 light-years long. Its size has been attributed to a merger with a smaller galaxy that is believed to have ...
After the eggs hatch, the adult frogs carry the tadpoles to water. Scientists saw one male frog with five tadpoles on his back at the same time. [1] At stage 25, the tadpole measures 3.8–4.3 mm long in body and 10.8–11.2 mm long in total (including the tail). [3]
Pseudis paradoxa, known as the paradoxical frog or shrinking frog, is a species of hylid frog from South America. [2] Its name refers to the very large—up to 27 cm (11 in) long—tadpole (the world's longest), which in turn "shrinks" during metamorphosis into an ordinary-sized frog, only about a quarter or third of its former length.
Tadpoles are typically herbivorous, feeding mostly on algae, including diatoms filtered from the water through the gills. Some species are carnivorous at the tadpole stage, eating insects, smaller tadpoles, and fish. The Cuban tree frog (Osteopilus septentrionalis) is one of a number of species in which the tadpoles can be cannibalistic ...
Rana (Bufo) vulgarisGuérin-Méneville, 1838. Rana BufoLinnaeus, 1758. The common toad, European toad, or in Anglophone parts of Europe, simply the toad (Bufo bufo, from Latin bufo "toad"), is a Toad found throughout most of Europe (with the exception of Ireland, Iceland, parts of Scandinavia, and some Mediterranean islands), in the western ...
Scientists infer that the female frog lays eggs on the ground like its congeners, but they have not directly observed female Hyloxalus chlorocraspedus do so. After the eggs hatch, the adult frog carries the tadpoles to water, for example water in the trunk of a dead tree.