#Limnonectes
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herpsandbirds · 3 months ago
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Smooth Guardian Frog (Limnonectes palavanensis) male with tadpoles, family Dicroglossidae, Sarawak, Borneo
Male guards eggs, which are laid on the forest floor, and then transports tadpoles to a water source.
Photograph by Kurt Orion G
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markscherz · 10 months ago
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Hello Mark! I found out about the limnonectes genus recently - why are some of them knobheads? What is the purpose of knob?
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The structure is called a caruncle, which sounds like a made-up word, but then again, all words are made up. It is made of connective tissue underneath skin full of mucous glands (studied histologically by Lambertz et al. 2014), but its function is unknown. However, because it is only present in males, I have a well-founded suspicion that it is involved in sexual selection one way or another. I would guess that it is either (a) very intimidating for other males, (b) actually helpful in physical contests among males, (c) very attractive to females, or (d) some combination of the above.
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stickyfrogs · 3 months ago
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Hanging Out With Friends at the Frog Pond at Kubah National Park, Borneo!
Four-lined tree frogs (Polypedates leucomystax), Harlequin Tree Frog (Rhacophorus pardalis) and Giant River Frog (Limnonectes leporinus)!
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fedorahead · 1 year ago
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from lots of googling, i have determined this is the cutest frog angle for pictures
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limnonectes palavanensis -- guardian frog -- carries his tadpoles on his back from their hatch site to the water they'll turn to frogs in
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a fantastic dad, just covered in babies
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typhlonectes · 10 months ago
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New Fanged Frog Species Discovered in Indonesia
There are 70 known frogs of the Limnonectes genus.
The frog, Limnonectes phyllofolia sp. nov. has a unique reproductive strategy in which the male of the species guards the egg clutches, which are typically laid on leaves or “mossy boulders one to two meters above small, slow moving streams.” It has the smallest adult body size among the other Limnonectes species on the island, with a maximum snout to vent length of 30mm...
Read more: https://reptilesmagazine.com/new-fanged-frog-species-discovered-in-indonesia
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critter-of-the-day · 4 months ago
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22nd of July 2024: Djikoro Wart Frog
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We’re starting this week with a frog, specifically the Djikoro Wart Frog (Limnonectes arathooni). They’re a frog from South Western Sulawesi, an island in Indonesia [1], and they’re around 3.5 cm long [2]. They are named after the British Consul who was working in the nearby city of Makasser around 1927, as Mr. L. S. Arathoon was apparently very helpful to Dr. Malcolm Smith during his travels there [3]. Unfortunately, there are seemingly no images of them online, as far as I could find, but L. phyllofolia is said to look very similar [2], so I chose an image of them instead.
They are found in leaf litter and on the sides of streams. Contrary to what one may expect, this makes it easier for them to dehydrate than frogs of the same genus who are entirely aquatic, as they don’t immediately try to conserve water when threatened with a drier environment [4]. Especially in the leaf litter they can be quite hidden, which is why the original discoverer only found male individuals, as he was finding them at night based on their calls, which he described as a shrill half-whistle, comparing it to “certain species of cricket“ [3].
They reproduce by laying eggs at indentations on the sides of the river. There the eggs begin to develop into tadpoles. When disturbed, the tadpoles will break out of the eggs and slither and fall into the stream [5]. This of course means they’re threatened by the potential of the streams drying out, and this combined with their already small mountain side habitat being degraded by human expansion means they’re classed as Vulnerable by the IUCN [6].
Sources:
[1] [2] [3] [4] [5] [6] [Image]
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oaresearchpaper · 2 months ago
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scientificinquirer-blog · 2 months ago
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The Big Picture: The Luzon Giant Fanged Bullfrog.
Limnonectes macrocephalus from Dipagsanghan. (CREDIT: MVW) Limnonectes macrocephalus, commonly known as the giant Philippine frog or large-headed frog, is a species of frog native to the Philippines. It belongs to the family Dicroglossidae and is known for its distinctive large head, which is especially prominent in males. This species inhabits a variety of environments, including primary and…
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nedsecondline · 4 months ago
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The world’s smallest ‘fanged’ frog found in Indonesia
Researchers have identified a species of frog Limnonectes phyllofolia completely new to science. The tiny Indonesian amphibian is in the possession …The world’s smallest ‘fanged’ frog found in Indonesia
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meret118 · 10 months ago
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The biodiversity of frogs and toads demonstrates just how ingenious evolution can get. Some are like the glass frog, which resembles a particularly famous Muppet. Others are like the Colorado River toad, whose skin secretes a powerful hallucinogenic enzyme called 5-MeO-DMT. Then there is the so-called "horror frog" or hairy frog, which can break its own bones to pierce through its toes and form makeshift claws. But new frogs are being discovered all the time, notably in a new study in PLOS One, which adds another freaky frog to this list: Meet Limnonectes phyllofolia, the world's smallest "fanged" frog.
Measuring at 1.2 inches (30 millimeters) from snout to vent, L. phyllofolia inhabits an Indonesian region known as Sulawesi Island. Aside from its diminutive stature, the frog's most notable feature are a pair of "fangs" that jut out from its lower jawbone. (Yes, some frogs have teeth!) Resembling pairs of pinpricks from a human's vantage points, the features help the tiny amphibians fight each other, attract mates and crack open the shells of prey like crabs and centipedes. Additionally, L. phyllofolia are unusual among frog species in that the males rather than the females guard the clutches of eggs.
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frogs-from-bogs · 3 years ago
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Limnonectes beloncioi by S.L. Travers
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stickyfrogs · 3 months ago
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More Magnificent Friends from the Frog Pond at Kubah National Park, Borneo!
Four-lined tree frog (Polypedates leucomystax), Giant River Frog (Limnonectes leporinus), Dark-eared Tree Frog (Polypedates macrotis), and File-eared Tree Frog (Polypedates otilophus)!
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fedorahead · 1 year ago
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from lots of googling, i have determined this is the cutest frog angle for pictures
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limnonectes palavanensis -- guardian frog -- carries his tadpoles on his back from their hatch site to the water they'll turn to frogs in
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a fantastic dad, just covered in babies
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zoomology · 7 years ago
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Frogs? Amphibians? What’s the Fuss?
I have always loved frogs, ever since I was a little boy.
I still haven’t put my finger on what exactly mesmerises me so much. Is it their slippery skin, their hopping legs and huge eyes? Is it their diversity, the number of different body shapes and colours they exhibit? Is it that they have semi-permiable skin by which they absorb oxygen, that some lay eggs that are translucent so you can see the young develop? Is it that some frogs carry their tadpoles/froglets on their back or even in their mouths? Is it that they undergo a dramatic metamorphosis from tadpole to frog? Is it that they are found on every continent except Antarctica, and that amphibians have existed on Earth for over 300 million years? Or, is it that nearly 168 species are believed to have gone extinct in the last two decades and more than 43% of the world’s amphibian species are in decline?
It is all these things and more.
I believe frogs to be particularly worthy of our interest and conservation, especially due to the worrying global amphibian population declines that appear to be one of the most severe examples of the Holocene extinction. The unprecedented loss of amphibians will have severe implications for global biodiversity.
Finding Frogs in Borneo
During our recent visit to Danau Girang Field Centre in Borneo, I was desperate to get out at night and photograph as many frogs as possible. Walking up and down the track from the jetty to the Centre we saw many species. We also managed to join Juan (a researcher at the Centre) and a few local guides during their field work which gave me more time to search. The following are some of the species we encountered.
Species Encountered
Family: Dicroglossidae
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Fejervarya limnocharis [ASIAN GRASS FROG]
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Limnonectes finchi [ROUGH GUARDIAN FROG] with tadpoles
Family: Microhylidae
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Metaphrynella sundana [BORNEAN TREE-HOLE FROG]
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Microhyla borneensis [MATANG NARROW-MOUTHED FROG]
Family: Ranidae
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Chalcorana chalconota [WHITE-LIPPED FROG]
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Hylarana glandulosa [ROUGH-SIDED FROG]
Family: Rhacophoridae
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Kurixalus appendiculatus [FRILLED-TREE FROG]
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Polypedates colletti [COLLETT’S TREE FROG]
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Polypedates leucomystax [FOUR-LINED TREE FROG]
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Polypedates macrotis [DARK-EARED TREE FROG]
To see larger versions of the above photos, click on the thumbnails below.
Limnonectes finchi [ROUGH GUARDIAN FROG] with tadpoles
Chalcorana chalconota [WHITE-LIPPED FROG]
Polypedates colletti [COLLETT’S TREE FROG]
Kurixalus appendiculatus [FRILLED-TREE FROG]
Microhyla borneensis [MATANG NARROW-MOUTHED FROG]
Polypedates leucomystax [FOUR-LINED TREE FROG]
Fejervarya limnocharis [ASIAN GRASS FROG]
Metaphrynella sundana [BORNEAN TREE-HOLE FROG]
Hylarana glandulosa [ROUGH-SIDED FROG]
Polypedates macrotis [DARK-EARED TREE FROG]
Although we managed to see a good number of species, there were many more we didn’t come across. I guess you can’t see everything you want at once. The only remedy is a return visit and more time exploring the forest. Well then, until next time!
Polypedates colletti [COLLETT’S TREE FROG]
Want to Read More?
If you’d like to read more about our trip to Borneo and the wildlife we encountered there, check out some of our other blog posts here:
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References and Further Reading
Amphibia Website – https://amphibiaweb.org/declines/declines.html (Retrieved 8 November, 2017)
IUCN Red List Website, Asian Grass Frog – http://www.iucnredlist.org/details/58275/0 (Retrieved 8 November, 2017)
IUCN Red List Website, Bornean Tree-hole Frog – http://www.iucnredlist.org/details/57872/0 (Retrieved 8 November, 2017)
IUCN Red List Website, Collett’s Tree Frog –  http://www.iucnredlist.org/details/58942/0 (Retrieved 8 November, 2017)
IUCN Red List Website, Dark-eared Tree Frog – http://www.iucnredlist.org/details/58955/0 (Retrieved 8 November, 2017)
IUCN Red List Website, Four-lined Tree Frog – http://www.iucnredlist.org/details/58953/0(Retrieved 8 November, 2017)
IUCN Red list Website, Frilled tree frog – http://www.iucnredlist.org/details/58972/0(Retrieved 8 November, 2017)
IUCN Red List Website, Matang Narrow Mouthed Frog – http://www.iucnredlist.org/details/57877/0 (Retrieved 8 November, 2017)
IUCN Red List Website, Rough Guardian Frog – http://www.iucnredlist.org/details/58333/0 (Retrieved 8 November, 2017)
IUCN Red List Website, Rough-sided Frog – http://www.iucnredlist.org/details/58603/0 (Retrieved 8 November, 2017)
IUCN Red List Website, White-lipped Frog – http://www.iucnredlist.org/details/58568/0 (Retrieved 8 November, 2017)
Wikipedia Website, Decline in Amphibian Populations – https://en.wikipedia.org/wiki/Decline_in_amphibian_populations (Retrieved 8 November, 2017)
A few #forest #frogs from our adventures in #Borneo. 🐸🐸🐸 #Kinabatangan #Sabah #Malaysia Frogs? Amphibians? What's the Fuss? I have always loved frogs, ever since I was a little boy.
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oaresearchpaper · 1 year ago
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proheromidoriyashouto · 6 years ago
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Because of his analysis, Izuku is the only one who’s figured out that Tsuyu bites. He eventually shares his notes on her quirk with the class and he’s got it labelled “Frog (genus, Limnonectes)“ and he figured out her mutation genus? why does Midoriya gotta be so weird and she notices that this hurts him, and that they all ignore what this means until an exercise where they’re teamed up and Izuku sets her up so her head is close to Jirou on the other team and oh Froppy sure gots a lot of teeth-
and they win.
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