IUCN threat status:

Endangered (EN)

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Gardiner's Seychelles frog

Gardiner's frog (Sooglossus gardineri) is a small frog of the Sooglossidae family and endemic to the Seychelles.

Physical description[edit source | edit]

Gardiner's frog is one of the smallest frogs in the world, reaching a maximum length of 11 millimetres (0.4 in). Newly hatched frogs measure only 3 millimetres (0.1 in) in length. Adult males are only 8mm long. It is brown in color, and has a dark stripe running from its mouth to its legs. A relative comparison of the world's smallest frogs

Gardiner's frog is notable for its ability to hear despite the absence of a middle ear cavity. Research has shown that the species is able to use its mouth cavity to amplify sound and transmit it to the inner ear.[1]

Ecology and behavior[edit source | edit]

Gardiner's frog is a terrestrial frog, feeding on small invertebrates including mites, sciarid larvae, ants, and amphipods. It is restricted to the high- and mid-altitude areas of Mahé and Silhouette Islands of the Seychelles group. This is unusual among the Sooglossidae, as most are restricted to the high latitudes, which have a stable climate due to constant mist. Although Gardiner's frog is secure in the regions in which it is found, it is classified as vulnerable by the IUCN Red List because it is restricted to only five localities.

References[edit source | edit]

  1. ^ Renaud Boistel et al., How minute sooglossid frogs hear without a middle ear, Advance Online Publication PNAS Early Edition 2 September 2013.

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