One of the mysteries of the English language finally explained.
The tailed aquatic larva of an amphibian (frog, toad, newt, or salamander), breathing through gills and lacking legs until the later stages of its development.
- ‘Just before metamorphosis, the tadpoles weigh only a fraction of an ounce.’
- ‘One of the characteristics of amphibians is metamorphosis; when the larva or tadpole living in water and breathing with gills develops into an adult, it leaves the aquatic environment and breathes with lungs like a land animal.’
- ‘Many familiar animals have a larval form: caterpillars turn into butterflies, and tadpoles into frogs.’
- ‘Most tadpoles are suspension feeders, filtering out tiny particles while continuously pumping water.’
- ‘Early in its development a tadpole breathes with gills.’
- ‘They will also prey on crayfish, frogs, tadpoles, and other aquatic dwellers.’
- ‘Whooping crane young are fed dragonfly larvae, insects and tadpoles, Johns said.’
- ‘In several species, a parent remains with the non-feeding tadpoles at the nest.’
- ‘We have observed that green frog tadpoles react less strongly to predators at very low resource levels.’
- ‘He'd always bring a jar of the stuff in and we'd have lessons where we'd document the life of the frog by watching the frog spawn hatch and metamorphose from tadpoles to frogs.’
- ‘As the tadpoles become frogs, the gills initially used to breathe are replaced with lungs.’
- ‘In amphibian tadpoles, however, the function of the axial muscles appear to be for lateral bending alone.’
- ‘Inside the pouch, the tadpoles live on the yolk leftover from their hatching.’
- ‘Frogs were not symbols of death but, on the contrary, of rebirth and renewal, because of its remarkable metamorphosis of egg into tadpole and from tadpole into frog.’
- ‘Biologists now find that slightly elevated UV exposure reduces the chance that tadpoles will become frogs.’
- ‘The cells divide and change until they have a head and short tail, like tadpoles.’
- ‘Young amphibians, like the larval frog or tadpole pictured here, spend their early years in the water, breathing through gills in the side of their head in much the same way as fish do.’
- ‘The young snakes prey on recently hatched steelhead trout and chinook salmon and on the tadpoles of yellow-legged frogs.’
- ‘These species tend to have shorter larval periods on average when compared to tadpoles that develop in more permanent ponds.’
- ‘Toad tadpoles appear to be distasteful to many predators, and, perhaps as a result of this, are much more often to be seen in open water than those of the common frog.’
Late 15th century: from Old English tāda ‘toad’+ poll (probably because the tadpole seems to consist of a large head and a tail in its early development stage).
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