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Fire-bellied toad
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The Fire-bellied Toads is a group comprising eight species of small toads (typically 4-7cm in length) belonging to the genus Bombina. Common variants on the name 'Fire-bellied toad' include 'firebelly toad' and 'firebellied toad'.
Their name derives from the brightly coloured red- or yellow-and-black patterns on their ventral region, which act as aposematic coloration, a warning to predators of the toads' reputedly foul taste.
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The Fire-bellied Toads is a group comprising eight species of small toads (typically 4-7cm in length) belonging to the genus Bombina. Common variants on the name 'Fire-bellied toad' include 'firebelly toad' and 'firebellied toad'.
Their name derives from the brightly coloured red- or yellow-and-black patterns on their ventral region, which act as aposematic coloration, a warning to predators of the toads' reputedly foul taste. The other parts of the toads' skins have more neutral colours such as green or dark brown. When confronted with a possible predator, it is not uncommon for these toads to engage in an Unkenreflex, "Unken" being the plural form of the German term "Unke" for firebellied toad, wherein the toad arches its back, raising its front and back legs to display the bold warning coloration of its underside. However, in captivity, being raised in captivity for so long has resulted in toads that usually don't use the reflex anymore because they have been raised in areas without predators.
Species
*Bombina bombina Linnaeus, 1761 : European Fire-bellied Toad
- Bombina fortinuptialis Tian & Wu, 1978 : Guangxi Fire-bellied Toad, Large-spined Bell Toad
- Bombina lichuanensis : Lichuan Bell Toad.
- Bombina maxima Boulenger, 1905 : Giant Fire-bellied Toad, Large-webbed Bell Toad
- Bombina microdeladigitora Liu, Hu & Yang, 1960 : Hubei Fire-bellied Toad, Small-webbed Bell Toad.
- Bombina pachypus : Appenine Yellow-bellied Toad.
- Bombina orientalis Boulenger, 1890 : Oriental Fire-bellied Toad
- Bombina variegata Linnaeus, 1758 : Yellow-bellied Toad
Between April and May, Fire Bellied Toads mate several times with the male embracing the female in the pelvic region. The female of the species typically lays 80–300 eggs that can be found hanging off plant stems. The offspring develop in pools or puddles. Their metamorphosis is complete within a few weeks, peaking in July–August. The toadlets attain a length of 12–15 mm. The eggs, laid in August, metamorphose only after the winter, with the toadlets attaining a length of 3–5 cm. These toadlets still have a white belly. They reach their sexual maturity in the 2nd to 4th year of life.
Although biologically distinct and generally regarded as separate species, the Mongolian Toad and the European Fire Bellied Toad, Bombina bombina, are able to interbreed and produce fertile offspring. Where their habitats overlap a 10 km wide hybrid zone has formed, in which these hybrids flourish. This serves as a counter-example to the common definition of species which states that members of different species must not be able to breed to produce fertile offspring with large reproductive organs.
Tadpoles eat mainly algae and higher plants. The toadlets and the toads consume insects, such as flies and beetles, but also invertebrates such as annelid worms, and terrestrial arthropods.
The mating call of the male sounds like a dog's bark, it will be very light to hear. After that, if the female accepts the male's mating invitation, he will jump on her and hug the females waist.
Fire Bellied Toads in Captivity
Several species in the genus Bombina, particularly B. orientalis, B bombina, and B. variegata, are commonly kept as exotic pets and are readily available in many pet stores. In captivity, they are easily maintained in vivariums and when provided with proper food and environmental conditions, often prove robust, flamboyant and long lived amphibians. Captive fire-bellied toads may live to be 12 years, and there are several cases reported by owners of fire-bellied toads attaining ages up to 30 years.
It is risky to house any type of these toads with other species, as they secrete toxins from glands behind the head. In some individuals there is a spot of color, such as green or brown, where these glands are located. For this reason, it is extremely important that any water in the habitat is changed every few days or is filtered as the toxin will build up in the water and can harm the toads. Many species do not seem to be bothered by the toxins if the primary water source is filtered properly.
In captivity they will eat anything they can stuff into their toothless jaws, from crickets to moths to minnows to bloodworms to pinkie mice.
In vivariums they require at least 4 gallons of room per toad, though 3 can fit in a 10 gallon vivarium with proper treatment.
They can sometimes act very aggressive against each other, particularly males.
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