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@jvertbiol.bsky.socialOct 2, 2026, 5:33 AM

🐸 #FrogFriday

Seeing with your fingertips? 👀

Surinam toads use their bizarre star-shaped fingertips as ultra-sensitive sensory organs to detect prey in murky water – even before the fish touches them!

👉 doi.org/10.1007/s003...

Frog biology never stops to amaze! 🤯

#herpetology #amphibians

@corbyds.bsky.socialOct 2, 2026, 2:40 AM

Gray Tree Frog!
More photography like this on my Ko-Fi!
ko-fi.com/geecoffeeshop
#Frog #frog #treefrog #wildlifephotography #pleasesupport #pleaseshare #kofi #lovenature #littleanimals #cuteanimals #photography #notaigenerated #notaislop #myart #noaiused #wildlife #amphibians

@tetzoo.bsky.socialOct 1, 2026, 1:11 PM

New at Tetrapod Zoology ... A World Without Baw Baw Frogs? tetzoo.com/blog/2026/10... #frogs #amphibians #herpetology #conservation

@sicbjournals.bsky.socialOct 1, 2026, 11:38 AM

ICB Throwback Axolotl Thursday

#Morphological, #Biochemical and #Immunohistochemical Studies on Heart Development in Cardiac Mutant #Axolotls, Ambystoma mexicanum

LARRY F. LEMANSKI

doi.org/10.1093/icb/...

#amphibians #science

In this paper I describe morphological, biochemical and immunofluorescence studies which compare the contractile proteins in normal and mutant hearts. In addition, morphological studies on anterior endoderm, an important heart inductor tissue in salamanders, are reviewed. Detailed electron microscopic studies show that normal heart myocytes contain numerous well-organized myofibrils. Although mutant heart cells contain a few myosin and actin filaments, there are no organized myofibrils. Instead, amorphous proteinaceous collections are prominent in the peripheral cytoplasm of the cell where myofibrils would be expected to first form. SDS-polyacrylamide gel electrophoresis shows that actin is present in almost normal amounts in mutant hearts, myosin heavy chain is reduced and tropomyosin is virtually absent. #Immunofluorescence studies reveal that myosin, α-actinin and tropomyosin are located prominently in theorganized myofibrils of normal heart cells. In mutant hearts myosin is localized almost exclusively in the amorphous collections at the cell peripheries, α-actinin also is distributed mainly in the peripheral cell cytoplasm.
@illgottencranes.bsky.socialSep 30, 2026, 9:21 PM

It's just a little guy... though I learned after painting this that the (actually pretty large!) Cuban tree frog is destructive to ecosystems where they're introduced. 🥺

Watercolor pastel, watercolor, and gouache on 9x12in 300g paper.

#SciArt #herps #amphibians #frogs

Painting of a large tree frog clinging to one brick of a wall, its head turned to look at the viewer. The brick wall is mostly pinkish and purple, which is reflected in the underbelly of the frog and contrasts against the yellow-green of its back.
@jvertbiol.bsky.socialSep 30, 2026, 6:55 PM

🐸 One frog ‘species’ becomes six! 💚

A major taxonomic revision of the Scinax nebulosus complex combines DNA, morphology and calls to reveal three new species and revalidate S. cynocephalus.

👉 doi.org/10.25225/jvb...

#JVertBiol #herpetology #taxonomy #amphibians

@palaeonavix.bsky.socialSep 30, 2026, 5:18 PM

Before there where frogs and salamanders.

#amphibians #temnospondyls #permian #vertebrate #digitalpainting #art #palaeontology #science

@haasio.bsky.socialSep 30, 2026, 2:46 PM

TIGER SALAMANDER- Jack of hearts. This one's a pun because they can reproduce by kleptogenesis (stealing, or jacking, another species' heart/gametes.. kind of a stretch haha). #herps #sciart #amphibians #scicomm [11/55]
[posting a Tale of Scales card every few days until they're all here]

a digital illustration of a tiger salamander as the jack of hearts. the drawing is mostly in purple, yellow, and orange.
@sicbjournals.bsky.socialSep 30, 2026, 11:55 AM

It's Axolotls week for ICB!

" We sought to determine if suction feeding strikes and food processing chews involve elastic mechanisms...""
from
Caitlin Panessiti et al's

doi.org/10.1093/icb/...

#science #amphibians

It's Axolotls week for ICB! " We subjected #Axolotls (Ambystoma mexicanum) to changes from warm (23°C), via medium (14°C), to cold (6°C) temperature across most of their thermal tolerance range, and recorded jaw #kinematics during feeding on crickets. We sought to determine if suction feeding strikes and food processing chews involve elastic mechanisms and, specifically, if muscular versus elastic contribution vary with temperature for gape opening and closing." from #Thermal Sensitivity of Axolotl Feeding Behaviors by Caitlin Panessiti , Mateo Rull-Garza , Gabriella Rickards , Nicolai Konow https://doi.org/10.1093/icb/icab120 #science #amphibians
@lazybirder.bsky.socialSep 29, 2026, 10:30 PM

Green Tree Frog trying to get comfortable #nature #amphibians

@itsmissyvonne.bsky.socialSep 29, 2026, 7:22 PM

Meanwhile, frogs battle fungus invading their lives too.

#frogs #amphibians #biology #fungusamongus #fungus #bacteria
nautil.us/frogs-wear-b...

@sicbjournals.bsky.socialSep 29, 2026, 11:47 AM

ICB - tagging onto yesterday's blog- a throwback share

Thermal Sensitivity of #Axolotl Feeding #Behaviors

by
Caitlin Panessiti , Mateo Rull-Garza , Gabriella Rickards , Nicolai Konow

doi.org/10.1093/icb/...

#aquatic #vertebrates #amphibians #science

#Musculoskeletal movement results from muscle contractions, recoil of elastic tendons, aponeuroses, and ligaments, or combinations thereof. Muscular and elastic contributions can vary both across behaviors and with changes in temperature. Skeletal muscles reach peak contraction speed at a temperature optimum with performance declining away from that optimum by approximately 50% per 10°C, following the Q10 principle. Elastic recoil action, however, is less temperature sensitive. We subjected Axolotls (Ambystoma mexicanum) to changes from warm (23°C), via medium (14°C), to cold (6°C) temperature across most of their thermal tolerance range, and recorded jaw kinematics during feeding on crickets. We sought to determine if suction feeding strikes and food processing chews involve elastic mechanisms and, specifically, if muscular versus elastic contribution vary with temperature for gape opening and closing. Measurements of peak and mean speed for gape opening and closing during strikes and chews across temperature treatments were compared with Q10-based predictions. We found that strike gape speed decreased significantly from warm and medium to cold treatments, indicating low thermal robustness, and no performance-enhancement due to elastic recoil. For chews, peak, and mean gape closing speeds, as well as peak gape opening speed, also decreased significantly from warm to cold treatments. However, peak gape opening and closing speeds for chews showed performance-enhancement, consistent with a previously demonstrated presence of elastic action in the Axolotl jaw system. Our results add to a relatively small body of evidence suggesting that elastic recoil plays significant roles in #aquatic #vertebrate feeding systems, and in cyclic food processing mechanisms.
@buggy7.bsky.socialSep 29, 2026, 6:15 AM

So many beasts #pets #reptiles #amphibians #cats

@sicbjournals.bsky.socialSep 28, 2026, 11:56 AM

ICB

From Jurassic to 21st century: #Axolotl’s Journey

By Andrea Jivanny Hernandez Ramirez,

a #LatinAmericanHeritageMonth piece (Sept 15th- Oct 15th)

read in full

integrativeandcomparativebiology.wordpress.com/2026/09/28/f...

#amphibians #biology #science

@snakemanmark.bsky.socialSep 28, 2026, 11:00 AM

Desert Tree Frog (Litoria rubella)
NIKON CORPORATION (NIKON D100)
13/Apr/2009
#Animals
#Amphibians
#TreeFrogs
#Litoria
#DesertTreeFrog
#LitoriaRubella

@stgsnaps.bsky.socialSep 27, 2026, 10:37 PM

Northern Cricket Frog in Natural Habitat.
#frogs #amphibians #NatureLovers #Nature #naturebeauty #NatureInspired #animals #wildlife

@sdesousa.comSep 27, 2026, 8:13 PM

This little frog is definitely in the pink, and a sunshade of petals is always fashionable 🐸 🌿

#amphibians #frogs

A small brown and green frog peeks out from between the soft pink petals of a water lily, surrounded by green lily pads in warm sunlight.
@whitewavewolf.bsky.socialSep 27, 2026, 2:22 PM

If I see them, they have to be caught… and petted 😆 (slightly squeezed with love)
#toads #amphibians #nature #joy