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Crab-eating frog (Fejervarya cancrivora)

Katak sawah or crab-eating frog (Fejervarya cancrivora) is an animal species in the Dicroglossidae, has a stocky body with strong legs and large muscular thighs, lives in many rice fields, swamps, ditches and mangrove swamps for prey fresh water crab.

F. cancrivora has small to large size, stocky, strong legs and thighs have large muscles. Up to 12 cm long, but generally 6 cm adult males and 7-8 cm adult females. The head has a slightly pointed tip and long toes.

Dlium Crab-eating frog (Fejervarya cancrivora)


The back has a grassy brown color with dark patches that are asymmetrical. Sometimes it has a bright moss green color on large specimens. The sides and creases of the thighs have black patches. Hands and feet often get smudged. Black lips.

The thin folds of skin that extend over the back resemble a rash. Feet with full membrane to the toes, except on the fourth toe. Single metatarsal nodule on the base of the first toe on the foot with an elongated shape.

Crab-eating frog is common in swampy areas including near man-made environments, wet gardens, rice fields and waterways, but rarely in streams. This species is the only modern amphibian capable of living in areas with brackish water and mangrove forests.

More active in the dark and in the morning, during the day take shelter behind grass or low tree branches or gaps in the embankments or cliffs of waterways and suddenly jump into the water when humans are about to step on them.



Katak sawah lives solitary. Males at night, especially after it rains, make calls… dodododok… dododok with a fast rhythm. This species is often caught by humans for its fat thighs for serving in Chinese restaurants.

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Amphibia
Order: Anura
Family: Dicroglossidae
Subfamily: Dicroglossinae
Genus: Fejervarya
Species: Fejervarya cancrivora

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