Sunset frog
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Myobatrachidae
Genus: Spicospina
Roberts, Horwitz, Wardell-Johnson, Maxson & Mahony, 1997
Species:
S. flammocaerulea
Binomial name
Spicospina flammocaerulea
Roberts, Horwitz, Wardell-Johnson, Maxson, and Mahony, 1997, 1997

Spicospina is a genus of ground-dwelling frogs in the family Myobatrachidae. It is monotypic, being represented by the single species, Spicospina flammocaerulea, also known as the sunset frog. First discovered in the year 1994, it is native to south-western Western Australia.[2] It is known from only 27 sites, all occurring east and northeast of Walpole.

Description

Spicospina flammocaerulea is a small species, with a snout-vent length of 31-36 mm in the females and males growing to 29.5-34.8 mm. The physical appearance and colouration differs greatly from all other Australian frog species. It is a shiny dark-purple to black or very dark grey on the dorsal surface. There are orange markings below the vent, around the margins of the body and on the hands and feet that resemble the sunset. The throat, chest and the underside of the hands and feet are also orange. The back is granular with many raised glands, a large parotoid gland is located behind each eye. The belly has vivid light blue spotting on a dark background which is smooth. The fingers and toes are free from webbing and pads.

Ecology and behaviour

The sunset frog is only found in isolated permanently moist peat swamps, in high rainfall areas. These sites have high moisture content and are often protected from drier conditions by seepages that provide water even through the drier seasons (spring and summer). Males call between October and December from shallow pools, water seepages or in open water along creek margins. They make a rapidly repeated "dd-duk-duk". Females lay less than 200 eggs that are deposited singly often supported by algae mats just below the surface of the water.

Conservation efforts

On the 19th of December 2011, the DEC in combination with Perth Zoo released 31 captive-bred endangered sunset frogs and 251 tadpoles into a private property in Mt Frankland area in order to extend the known range of the species.[2]

References

  1. ↑ IUCN SSC Amphibian Specialist Group. (2023). "Spicospina flammocaerulea". IUCN Red List of Threatened Species. 2023: e.T41052A78436343. doi:10.2305/IUCN.UK.2023-1.RLTS.T41052A78436343.en. Retrieved 21 December 2023.
  2. 1 2 "Aussie Sunset Frogs Released from Perth Zoo in Hopes of Establishing a Population Outside Their Range - Reptiles Magazine". 22 December 2011.
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