A tadpole (stage 59, Xenopus tropicalis) at the beginning of metamorphosis (left) and a froglet (stage 66, X. tropicalis) after metamorphosis (right). The skeleton undergoes dramatic remodeling ...

To investigate how this hormone might prepare juvenile amphibians for metamorphosis, the team analyzed levels of mRNA transcripts for leptin receptor proteins and for the hormone itself in tadpoles of ...

which ranges from zero for embryos to 42 for tadpoles on the brink of metamorphosis. An adult wood frog. Credit: Logan Billet An aggregation of wood frog egg masses in a pond following spring ...

Genetically modified, cannibal tadpoles may be the solution to Australia’s nearly century-old invasive cane toad problem.

Scientists have knocked out genes that trigger cane toad tadpoles to turn into active toads, turning them into "Peter ...

The discovery is helping to clear up a long-standing mystery as to when frogs and toads evolved their iconic two-stage life-cycle. "The research demonstrates that a tadpole stage followed by a ...

Eggs are deposited in long, double-layer jelly strings with one to three rows of eggs. LIFE CYCLE: Eggs hatch one to two weeks after being laid. Tadpoles typically metamorphose by late July to late ...

By removing a gene to stunt cane toads at their tadpole stage, scientists hope they may have found a way to make the invader ...

Argentine researchers found by chance what resulted to be the oldest tadpole fossil in the world ... aspects about the evolution of the life cycle of anurans, a group that includes frogs, toads, ...

A female crested toad can lay up to 15,000 eggs, which hatch into tadpoles within a day. Those that don’t succumb to predation or habitat destruction reach the metamorphosis stage within 18 to ...

A life cycle is the journey of a living thing from ... The frogspawn hatches into these little creatures called tadpoles which live in the pond. After a few weeks, the tadpoles grow little legs ...