redtailfins
redtailfins
DIVORCE RONIN
63K posts
joey | he/him | all of my interests ever blog | sideblogs
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redtailfins · 1 hour ago
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@syncarida
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redtailfins · 1 hour ago
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wake up in the morning go to sleep
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redtailfins · 1 hour ago
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Oldest human footprint discovered, made 153,000 years ago in South Africa.
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Oldest human footprint in North America, made 21,000 years ago in New Mexico, USA.
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Oldest human footprint on the Moon, made July 20, 1969 on the Sea of Tranquility, Earth's moon.
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redtailfins · 1 hour ago
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??????
New fusion startup proposal to transmute mercury into gold by using fusion neutrons. Apparently the correct isotope can act as a neutron multiplier too. ?
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redtailfins · 1 hour ago
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dire dire dogs redo(g)
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redtailfins · 1 hour ago
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Everyone shut up and look at this carving of a whale from the 1200-600 CE Chumash culture
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redtailfins · 2 hours ago
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Getting this printed and put above my bed so I feel like I’m in the soup.
My equivalent of the house malpractice image.
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redtailfins · 2 hours ago
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there’s this extremely kind soul of a woman on instagram that makes accessible recipes that don’t require standing, chopping, or a stove and she might just have a permanent place in my heart
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redtailfins · 2 hours ago
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imagine cloth mother and wire mother in family court competing for custody of the baby monkey
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redtailfins · 2 hours ago
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Marmorerpeton wakei was an early salamander that lived during the mid-Jurassic, about 166 million years ago, in coastal lakes and rivers covering what is now the Isle of Skye, Scotland.
Growing to around 40cm long (~1'4"), it had a wide shallow skull with strong jaws similar to those of modern giant salamanders, suggesting it had a convergently similar sort of sit-and-wait ambush predator lifestyle – using suction feeding to pull prey into its mouth, then powerful bites to subdue it.
Although its body was fairly robustly built its anatomy was somewhat neotenic, retaining some late-stage larval features and staying fully aquatic into adulthood.
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NixIllustration.com | Tumblr | Patreon
References:
de Buffrénil, Vivian, et al. "Histological study of karaurids, the oldest known (stem) urodeles." Historical Biology 27.1 (2015): 109-114. https://doi.org/10.1080/08912963.2013.869800
Jones, Marc EH, et al. "Middle Jurassic fossils document an early stage in salamander evolution." Proceedings of the National Academy of Sciences 119.30 (2022): e2114100119. https://doi.org/10.1073/pnas.2114100119
Skutschas, P. P., V. V. Kolchanov, and E. V. Syromyatnikova. "Pedicellate Teeth in Archaic Salamanders (Lissamphibia, Caudata)." Doklady Biological Sciences 520.1 (2025): 28-33. https://doi.org/10.1134/S0012496624600532
Wikipedia contributors. “Marmorerpeton” Wikipedia, 24 Jun. 2025, https://en.wikipedia.org/wiki/Marmorerpeton
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redtailfins · 14 hours ago
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Short-beaked Echidna (Tachyglossus aculeatus), family Tachyglossidae, Canberra, Australia
Also called "spiny anteaters".
Echidnas are monotremes, mammals that lay eggs (along with platypuses).
Females lay eggs and keep them in a pouch.
The hatchlings are called "puggles".
photographs by Richard Wood
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redtailfins · 14 hours ago
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all of my problems would be solved if i wasnot human. and im sure of this
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redtailfins · 23 hours ago
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a redraw of that one cowboy art i did 2 years ago
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redtailfins · 23 hours ago
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Ancient Sea Creature Diorama - Anomalocaris (Cambrian Period).
古代海洋生物ジオラマ - アノマロカリス (カンブリア紀)。
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redtailfins · 23 hours ago
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Thylacine Skull, 2025
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redtailfins · 2 days ago
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Searching for toadfish on Tumblr seems to mostly bring up the Splendid Toadfish (Sanopus splendidus) (as well as unrelated fish that are also called “toadfish” or “frogfish” such as some puffers and anglers)
And while the Splendid Toadfish is indeed quite splendid, I was really hoping I could find any posts featuring its cousin the Whitespotted Toadfish (Sanopus astrifer). Alas, I could not, so I must once again take matters into my own hands.
Behold, the Whitespotted Toadfish:
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redtailfins · 2 days ago
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WHY DOES POOB HAVE ME BLOCKED LMAO
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