|
Myobatrachidae
Myobatrachidae, commonly known as Australian ground frogs or Australian water frogs, is a family of frogs found in Australia and New Guinea. Members of this family vary greatly in size, from species less than long, to the second-largest frog in Australia, the giant barred frog (''Mixophyes iteratus''), at in length. The entire family is either terrestrial or aquatic frogs, with no arboreal species. Characteristics The family Myobatrachidae contains forms of parental care unique in the animal kingdom. The two species of gastric-brooding frog (genus: ''Rheobatrachus''), are found in this family. The females of these species swallow their young, where they develop until metamorphosis. The pouched frog (''Assa darlingtoni'') has pouches on the sides of its body. The male will guard the eggs until hatching, and assist the tadpoles into its side, where they stay until metamorphosis. Another form of parental care, although not unique, is found in many species of the genus '' Limnody ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arenophryne
''Arenophryne'' is a small genus of Myobatrachidae, Myobatrachid frogs from coastal Western Australia. Common names sandhill frogs and Australian dumpy frogs have been coined for it. Both species live in sand dune habitat of the Shark Bay region of Western Australia. The two species were initially considered to be just one species, but a genetic analysis found the northern and southern populations to be distinct. Breeding occurs during the wetter winter months where adults call near the surface, and mate underground. The eggs are laid in a burrow and develop directly from eggs to frogs. Species There are two species: References {{Taxonbar, from=Q2445381 Myobatrachidae Amphibian genera Taxa named by Michael J. Tyler Amphibians of Australia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rheobatrachus
The gastric-brooding frogs or platypus frogs (''Rheobatrachus'') is a genus of extinct ground-dwelling frogs native to Queensland in eastern Australia. The genus consisted of only two species, both of which became extinct in the mid-1980s. The genus is unique because it contains the only two known frog species that incubated the prejuvenile stages of their offspring in the stomach of the mother. The combined ranges of the gastric-brooding frogs comprised less than . Both species were associated with creek systems in rainforests at elevations of between . The causes of the gastric-brooding frogs' extinction are not clearly understood, but habitat loss and degradation, pollution, and some diseases may have contributed. The assignment of the genus to a taxonomic family is hotly debated. Some biologists class them within Myobatrachidae under the subfamily Rheobatrachinae, but others place them in their own family, Rheobatrachidae. Molecular genetics finds it sister to '' Mixophyes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rheobatrachinae
The gastric-brooding frogs or platypus frogs (''Rheobatrachus'') is a genus of extinct ground-dwelling frogs native to Queensland in eastern Australia. The genus consisted of only two species, both of which became extinct in the mid-1980s. The genus is unique because it contains the only two known frog species that incubated the prejuvenile stages of their offspring in the stomach of the mother. The combined ranges of the gastric-brooding frogs comprised less than . Both species were associated with creek systems in rainforests at elevations of between . The causes of the gastric-brooding frogs' extinction are not clearly understood, but habitat loss and degradation, pollution, and some diseases may have contributed. The assignment of the genus to a taxonomic family is hotly debated. Some biologists class them within Myobatrachidae under the subfamily Rheobatrachinae, but others place them in their own family, Rheobatrachidae. Molecular genetics finds it sister to '' Mixophyes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Assa (genus)
''Assa'' is a genus of frog in the family Myobatrachidae. These frogs are endemic to a few parts of eastern Australia. Both species are found on a few mountains in Queensland and New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es .... For a significant portion of time, the only species in this genus was the pouched frog (''A. darlingtoni''). However, a second species, ''A. wollumbin'', was described in 2021 following a rangewide genetic survey of ''A. darlingtoni''. Both species are notable in that the males have subcutaneous pouches on their hips in which they carry their tadpoles until they metamorphosize. Species References Taxa named by Michael J. Tyler Myobatrachidae Amphibian genera Amphibians of Australia Endemic fauna of Australia {{Myobat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gastric-brooding Frog
The gastric-brooding frogs or platypus frogs (''Rheobatrachus'') is a genus of extinct ground-dwelling frogs native to Queensland in eastern Australia. The genus consisted of only two species, both of which became extinct in the mid-1980s. The genus is unique because it contains the only two known frog species that incubated the prejuvenile stages of their offspring in the stomach of the mother. The combined ranges of the gastric-brooding frogs comprised less than . Both species were associated with creek systems in rainforests at elevations of between . The causes of the gastric-brooding frogs' extinction are not clearly understood, but habitat loss and degradation, pollution, and some diseases may have contributed. The assignment of the genus to a taxonomic family is hotly debated. Some biologists class them within Myobatrachidae under the subfamily Rheobatrachinae, but others place them in their own family, Rheobatrachidae. Molecular genetics finds it sister to '' Mixophye ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geocrinia
''Geocrinia'' is a genus of frogs in the family Myobatrachidae. These frogs are endemic to Australia. Two species are known from southeastern Australia (Victoria and Tasmania), while one is known from southeastern Western Australia. All the species in this genus were at some point referred to as ''Crinia''. Further studies showed there was some considerable differences between this group of frogs and ''Crinia''. These differences included; a slightly sturdier body, smoother skin on the ventral surface and the greatest difference, the reproductive nature, laying the eggs outside of water. Until 2022, four other species in Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ... were also classified in this genus, but a phylogenetic study reclassified them into the new ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anstisia
''Anstisia'' is a genus of frogs in the family Myobatrachidae. These frogs are endemic to southern Western Australia. Prior to 2022, these species were classified in the genus ''Geocrinia''. However, a study split four ''Geocrinia'' species into their own genus, noting major phylogenetic divergence and striking differences in life history and larval morphology between two groups within the genus. This new genus was named ''Anstisia'' in honor of Australian herpetologist Marion Anstis. The major differences in life history between ''Anstisia'' and ''Geocrinia'' have long been noted, even before it was split as a distinct genus. Members of ''Anstisia'' have entirely terrestrial tadpoles that are nourished by yolk Among animals which produce eggs, the yolk (; also known as the vitellus) is the nutrient-bearing portion of the egg whose primary function is to supply food for the development of the embryo. Some types of egg contain no yolk, for example ... until metamorphosi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pouched Frog
The pouched frog (''Assa darlingtoni''), or hip pocket frog, is a small, terrestrial frog found in rainforests in mountain areas of south-eastern Queensland and northern New South Wales, Australia. It is one of two species within the genus '' Assa'', the other being ''Assa wollumbin'' and is part of the family Myobatrachidae. Description It is a small frog about 2.5 cm long, red-brown in colour, with some individuals having reverse V shaped patches and/or with light brown dots randomly on their backs. Most specimens have a darker brown stripe that runs from the nostril through the eye down the side of the body. A skin fold is present on either side of the frog running from its eye to its hip. Its hands and feet are completely free of webbing and discs, but the tips of the fingers and toes are swollen. The eye is gold with brown flecks and when the pupil is constricted it is horizontal. There is a 'pocket' on its hip where the frog's tadpoles travel to after hatching. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sandhill Frog
The northern sandhill frog (''Arenophryne rotunda'') is a small, fossorial frog native to a small region of the Western Australian coast. It was formerly considered the sole species within the genus ''Arenophryne'' until the first decade of the 2000s, when a new species of frog called the southern sandhill frog was discovered about 100 kilometres from Geraldton, Western Australia in Kalbarri National Park and given the scientific name ''Arenophryne xiphorhyncha''. Description The northern sandhill frog is a small, rotund frog, reaching a maximum length of 33 millimetres (1.3 in). It is a burrowing frog, and has short, strong legs. The dorsal surface is mottled in colour, from dark grey and white to pale brown. It is covered in small warts and ridges. It also has small, bright red or green, patches on its back. The ventral surface is a dull white. The head is small, and triangular in shape, and the body is flat. The tympanum is not visible Ecology and behaviour The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudophryne
''Pseudophryne'' is a genus of small myobatrachid frogs. All of these frogs are small terrestrial frogs, and as such, most species are commonly called toadlets (''pseudo-'' meaning deceptive, ''phryne'' meaning toad). The genus comprises thirteen species, ten from eastern Australia, and three from Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th .... Species within the genus ''Pseudophryne'' lay their eggs on moist ground. The tadpoles develop within the eggs, and once they reach hatching size, will become dormant. Once sufficient rain occurs to flush the eggs into a creek or river, the eggs will hatch and release tadpoles into the water. Many of the species within this genus have the ability to form hybrids. Species The following species are recognised in the genu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metacrinia
''Metacrinia'' is a genus of frog in the family Myobatrachidae. It is monotypic, being represented by the single species, ''Metacrinia nichollsi'', commonly known as the Forest toadlet or Nicholls toadlet. It is endemic to Southwest Australia, occurring between Dunsborough and Albany. Description ''Metacrinia nichollsi'' is a squat frog with short limbs and reaches in length. The dorsal colouration is very dark brown or black occasionally with pink flecks. The ventral surface is grey, dark blue or black with white marbling. There are yellow or orange markings at the base of each arm and on the underside of the thighs and lower belly. The skin on the dorsum is warty and the belly is granular. The tympanum is visible and the fingers and toes are free of webbing. It is the only described species in the genus ''Metacrinia''. The toadlet is poorly studied, but the diverse appearance of the toadlet suggests there may be more than one species. Ecology and behaviour This species i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crinia
''Crinia'' is a genus of frog, native to Australia, and part of the family Myobatrachidae. It consists of small frogs, which are distributed throughout most of Australia, excluding the central arid regions. Many of the species within this genus are non-distinguishable through physical characteristics, and can only be distinguished by their calls. They have unwebbed toes and fingers, most of the species in these genus are polymorphic - meaning that several variations of colour and skin patterning exist in a single population and all species lay their eggs in small clumps in water. The generic name ''Crinia'' likely derives from the Greek verb κρῑνω (krīnō) "to separate" as a reference to the frog's unwebbed digits, meaning "separated (toes)". Although Johann Jakob von Tschudi did not provide an etymology in 1838, he cited the frog's "free toes" (without webbing) as an important distinctive feature (most frogs have webbed feet). During the 1950s, 1960s and 1970s a lot o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |