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Rare albino tadpoles found in Wales

uk/albino_tadpoles

May 2008. Albino tadpoles have been discovered in a garden in Carmarthenshire, Wales. Conservationists at Froglife have called the finding highly unusual as at least four separate blobs of albino spawn were found deposited in the pond, signalling what could be a significant population of frogs carrying the rare recessive gene for albinism.

Though no adult albino frogs were seen, their frogspawn and tadpoles are reportedly doing very well as photos from their Carmarthenshire garden show. The tadpoles have the characteristic pink eyes and off-white skin colouration. The location of the pond is to be kept secret while further research is undertaken.

Albino individuals of adult frogs, toads and newts have been reported in the past, though sightings are rare. Cases of multiple albinistic individuals in a breeding population are even rarer.

Albino tadpoles. Copyright Froglife.Froglife's Wildlife Information Service

The sighting was reported to Froglife's Wildlife Information Service - a public advice service encouraging people to get involved with amphibian and reptile conservation. Froglife receive over 3,000 enquiries each year - many of them to do with unusual amphibian observations discovered in gardens.

Albinism

  • Individuals with albinism have inherited altered genes that do not make the usual amounts of a pigment called melanin.
  • Albinism is a ‘recessive trait', so even if only one of the two copies passed down from male and female frogs is functional, offspring can make pigment, but will carry the albinism trait.
  • Both male and female amphibians must carry the defective albino gene to have offspring with albinism - in these circumstances there is a one-in-four chance of albino offspring.
  • "This is certainly one of the stranger enquiries we've had recently," said Lucy Benyon, Froglife's Wildlife Information Officer. "What's unusual about this is that that the batches of white tadpoles suggest that a number of adults that carry genes for albinism possibly exist in the area, not just one."

    Unlikely to live to breeding age

    "Usually though albino amphibians fail to live to a breeding age - their white colouration makes them a blindingly conspicuous beacon for the various animals that depend on frogs for food." she added.

    Further research into the multiple cases of albino frogs will be looked into over coming months.