African Clawed facts

While investigating facts about African Clawed Frog and African Clawed Frog Care, I found out little known, but curios details like:

Up until the 1960′s, the only reliable pregnancy test was to inject a woman’s urine into a female African clawed frog. If the woman was pregnant, the frog would ovulate within 12 hours.

how big do african clawed frogs get?

Until the 1960′s, the only reliable pregnancy test was to inject a woman’s urine into a female African clawed frog. If the woman was pregnant, the frog would ovulate within 12 hours.

What to feed african clawed frogs?

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1. The African Clawed Frog provided the first well-documented method of detecting pregnancy in women. Injecting urine from a pregnant woman into a frog resulted in the frog laying eggs shortly after.

2. African clawed frogs are often used laboratory animals. After injecting the urine of pregnant women into female African clawed frog - she starts producing eggs. Their embryos are especially valuable for science because they are transparent and allow close investigation of the embryonic development.

3. African clawed frog eats its own skin after shedding.

4. African clawed frog has ability to change its color to adapt to their environment.

5. African clawed frog is a carnivore (meat-eater) that will hunt insects, spiders, small invertebrates, crustaceans, snails, worms, fish…

6. Front feet of African linsang are shorter than hind legs. 5 toes on each foot are equipped with sharp, curved, retractable claws (they can be hidden inside the paws). Soles of feet are covered with fur.

7. Color of the body can be green, grey, brown or albino (without any pigment) with dark blotches that provide camouflage against predators.

8. Female is able to produce between 500 and 2000 eggs per mating. During the year, mating takes place several times and one female produces between 2000 and 8000 eggs annually.

9. The first pregnancy tests were live african clawed frogs. Researchers in the 30s discovered that the frogs started laying eggs after being exposed to urine of pregnant women. Thousands of frogs were exported from South Africa to be used as home pregnancy test kits.

10. African clawed frogs have lateral line, located on both sides of the body. This sensitive organ detects prey under the water. They also use sense of smell and sensitive fingers to detect and catch their prey.

Why is my african clawed frog bloated?

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African clawless otter has long fingers without claws on the front feet and webbed hind feet. It has long tail that is used for balancing on the ground and for propelling in the water.

Male African clawed frog does not have vocal cords. Even without them, he is able to produce clicking sound when he wants to attract females during mating season.

African clawed frog has claws on three middle fingers on the hind feet. Front feet are not webbed because they play role in feeding (by pushing the food into the mouth).

After one week, eggs will hatch. African clawed frog does not show parental care and tadpoles are left on their own. In 6 to 8 weeks, tadpoles will transform into adult frog.

Body of African clawed frog is smooth and covered with mucus that protects their sensitive skin.

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African civet looks like a raccoon because it has wide head, pointed muzzle, long neck and small eyes and ears. It has non-retractable claws (claws are always exposed).

How long do african clawed frogs live?

African clawed frog can survive 8 to 15 years in the wild and up to 30 years in captivity.

Female African clawed frogs are larger than males. Females are usually 4.5 inches long, weighing around 7 ounces. Males are usually 2.5 inches long and 2 ounces heavy.

Females will respond by producing accepting or rejecting calls, depending on their desire to mate.

African clawed frog has a lot of predators due to its small size. Main predators are birds of prey, rodents, cats, dogs and reptiles.

The spread of the deadly chytrid fungus which has lead to catastrophic decline in frog species worldwide can be traced to female African Clawed Frogs who were shipped globally and used as pregnancy tests in the mid 20th century.