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Holometabolism, also called complete metamorphosis, is a form of insect development which includes four life stages: egg, larva, pupa, and imago (or adult). Holometabolism is a synapomorphic trait of all insects in the superorder Holometabola. Immature stages of holometabolous insects are very different from the mature stage.
The presence of fish in breeding ponds shortens mating periods, whereas many other frog species avoid breeding in such conditions. All tested frog species, K. senegalensis included, immediately stopped breeding activity when the catfish species Clarias gariepinus is introduced. [12] They take 50–60 days to complete metamorphosis. [11]
A dragonfly in its final moult, undergoing metamorphosis, it begins transforming from its nymph form to an adult. Metamorphosis is a biological process by which an animal physically develops including birth transformation or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation. [1]
Gosner stage is a generalized system of describing stages of embryonal and larval development in anurans (frogs and toads). The Gosner system includes 46 numbered stages, from fertilized embryo (stage 1) to the completion of metamorphosis (stage 46). It was introduced by Kenneth Gosner in 1960. [2]
A frog that hatches out of its egg as a small frog undergoes direct development. A frog that hatches out of its egg as a tadpole does not. Direct development is the opposite of complete metamorphosis. An animal undergoes complete metamorphosis if it becomes a non-moving thing, for example a pupa in a cocoon, between its larval and adult stages. [2]
Frog eggs are also served in banana leaves (pepes telur kodok). The dried and crispy fried frog skin is also consumed as krupuk crackers; the taste is similar to fried fish skin. [10] Indonesia is the world's largest exporter of frog meat, exporting more than 5,000 tonnes of frog meat each year, mostly to France, Belgium, and Luxembourg. [11]
The northern leopard frog breeds in the spring (March–June). Up to 6500 eggs are laid in water, and tadpoles complete development within the breeding pond. Tadpoles are light brown with black spots, and development takes 70–110 days, depending on conditions. Metamorph frogs are 2–3 cm (0.79–1.18 in) long and resemble the adult.
Limnonectes is a genus of fork-tongued frogs of 91 known species, but new ones are still being described occasionally. [ 1 ] [ 2 ] They are collectively known as fanged frogs because they tend to have unusually large teeth, which are small or absent in other frogs.