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Posts by Dr. Nancy Sheridan

Video

Witness the elegance of the swimming Feather Star, a crinoid that dates back to the Ordovician era, over 480 million years ago. A true marvel of evolution in our oceans.

2 weeks ago 5898 1344 221 142
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One of the World's Rarest Turtles Washes Up in Texas, Covered in Living Organisms and in Desperate Need of Help A critically endangered Kemp's ridley sea turtle was rescued in Texas after being found covered in organisms. The turtle is now receiving care from the Gulf Center for Sea Turtle Research and veterina...

One of The World's Rarest Sea Turtles Washes Up in Texas Covered in Organisms share.google/76HyFZS7ytWL...

1 month ago 1051 292 63 21
Okeanos Explorer Video Bite: Colorful Polyps of Two Different Deep Sea Pens
Okeanos Explorer Video Bite: Colorful Polyps of Two Different Deep Sea Pens YouTube video by Inner Space Center

Deep-sea sea pen Umbelulla! from #okeanos EX1806 #octocoralfriday youtu.be/pmvdAJrLFLA?...

1 month ago 8 3 0 0
A bright yellow nudibranch with black and blue markings crawls on underwater vegetation against a dark background. Photo by Olakhalaf.

A bright yellow nudibranch with black and blue markings crawls on underwater vegetation against a dark background. Photo by Olakhalaf.

There's a sea creature whose common name is the pikachu nudibranch and I need everyone to see it immediately.

1 month ago 2219 378 43 25

🤣

2 months ago 1 0 0 0
Gulf of Mexico: The Sea Spider Stroke
Gulf of Mexico: The Sea Spider Stroke YouTube video by Global Foundation For Ocean Exploration

A timely encore of this SWIMMING SEA SPIDER for #seaspiderSaturday! #okeanos #pycnogonid youtu.be/7xt-R9UM-j0?...

2 months ago 17 10 2 1
GBE | Genome Skimming Illuminates Hidden Species Diversity and Symbiodiniaceae Associations in East Pacific Pocillopora Corals

GBE | Genome Skimming Illuminates Hidden Species Diversity and Symbiodiniaceae Associations in East Pacific Pocillopora Corals

@michaeltconnelly.bsky.social et al. sequenced 342 Pocillopora coral samples from the Eastern Tropical Pacific, revealing four distinct species; algal symbiont community profiling identified dominant symbionts that varied according to host species.

🔗 doi.org/10.1093/gbe/evaf235

#genome #evolution

2 months ago 217 30 1 0
4 orange pentagonal sea stars

4 orange pentagonal sea stars

oral view of a white specimen showing 5 tube foot grooves converging on the central mouth

oral view of a white specimen showing 5 tube foot grooves converging on the central mouth

Recently described "cookie" star Plinthaster australis from the #coralseafrontiers expedition! Originally known only from New Caledonia!

2 months ago 126 29 2 2
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In fish, low doses of common pesticide speed aging and death Polluted lakes and lab experiments highlight harms of chronic exposure to chlorpyrifos

A study found that a widely used insecticide, chlorpyrifos, speeds up aging in a common lake fish by shortening the protective caps on its chromosomes, and leads to its premature death. https://scim.ag/49Hp7jU

3 months ago 46 26 0 1
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Video

An octopus arrives from the right and envelopes the brain coral like an alien slurping a planet only to be photobombed by a redband parrotfish peacocking for the camera 🔮👽🐙🌎😁🦜🐟🪸🌇 #octopus #redbandparrotfish #peacocking #cheesin #photobomb #coralcitycamera #miami #portmiami #biscaynebay #coralcity

3 months ago 372 80 7 5
pineapple shaped orange colored skeleton of a cactus urchin with white spots where spines have been removed.

pineapple shaped orange colored skeleton of a cactus urchin with white spots where spines have been removed.

pineapple shaped orange colored skeleton of a cactus urchin with white spots where spines have been removed.

pineapple shaped orange colored skeleton of a cactus urchin with white spots where spines have been removed.

Cleared skeleton of a so-called Cactus Urchin1 Dermechinus horridus! with its bizarre high-aspect test! Possibly an adaptation to filter feeding! #echinoday

3 months ago 27 5 1 1
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Scientists Catch Jellyfish and Sea Anemones Behaving in Surprisingly Human Ways Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising similarities to humans

Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising similarities to humans

3 months ago 1297 290 47 29

9,000 coral babies born in Apollo Beach reef restoration 🪸
www.wfla.com/news/hillsbo...

3 months ago 1 0 0 0
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Coming this Friday ep. 568 of #evolutionradio! Stay tuned!
#basshouse #deephouse #drumandbass #dubstep #house #melodichouseandtechno #minimaldeeptech #organichousedowntempo #progressivehouse #techhouse #techno #djlife #producerlife #edm #music

3 months ago 3 1 0 0
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Salmon Spotted in California Creek for the First Time in Decades: Here's Why the Fish Are Back A newly completed restoration project on in the San Francisco Bay Area has opened more than 20 miles of habitat — and Chinook salmon wasted no time swimming back.

a small win that I missed earlier... people.com/first-salmon...

4 months ago 6 1 0 0
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Over a third of animals impacted in deep sea mining test - scientists The findings contribute to a controversial debate that pits green technology against the environment.

"Machines mining minerals in the deep ocean have been found to cause significant damage to life on the seabed,...
The number of animals found in the tracks of the vehicles was reduced by 37% compared to untouched areas, according to the scientists." #deepsea bbc.com/news/article...

4 months ago 11 6 1 1
Pink hair squat lobster inside the ridges of a barrel sponge

Pink hair squat lobster inside the ridges of a barrel sponge

The Pink Hairy Squat Lobster (Lauriea siagiani) is a small crustacean that lives on barrel sponges in the Indo-Pacific region. It is more closely related to crabs than lobsters & is known for its color & hair-like structures called setae, which help it sense vibrations & filter food.

#marinelife

4 months ago 901 97 30 14
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A rare photosynthesizing sea slug has been found off N.S. Here's why scientists are excited | CBC News Researchers believe Elysia chlorotica holds promise for medical advances, but it's been too elusive to study.

A rare photosynthesizing sea slug has been found off N.S. Here's why scientists are excited #NovaScotia

Researchers believe Elysia chlorotica holds promise for medical advances, but it's been too elusive to study

www.cbc.ca/news/canada/...

4 months ago 779 193 23 20
Video

New octopus dropped down in Coral City 👽✌️🐙 #octopus #cephalopodsofcoralcity #cephalopod #headfoot #alien #dropdown #peaceout #coral #coralhead #coralcitycamera #miami #portmiami #biscaynebay #coralcity

4 months ago 445 77 3 7

🤔

4 months ago 1 0 0 0
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🌊 The green shore crab, Carcinus maenas, a top marine invader present on six continents, now has a high-quality reference genome! This breakthrough enables deeper insights into its invasion success and aids in managing invasive species.
Photo: nwtreatytribes.org/s...

5 months ago 2 1 1 0
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Gliding over a forest of quadricolor anemones in the Coral Morphologic coral museum #coralmorphologic #miami #coralcity

5 months ago 167 42 1 3
Video

#Ecosde2Cañones sea life & fish w/antifreeze proteins! “It was wonderful to see the notothenioid fish curiously approach the ROV camera, reminding us that every encounter with marine life is deeply connected to the physical dynamics shaping their environment.” - Chief Scientist Dr. Silvia Romero

5 months ago 54 13 0 0
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🐙 Scripps Oceanography scientists have engineered bacteria to mass‑produce the pigment that lets octopuses and squids change color! This breakthrough not only sheds light on animal chemistry but also paves the way for sustainable, bio‑based materials. t.co/Oitp8NnntR

5 months ago 85 18 1 4
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Recent Expeditions Confirm Discovery of 30 Previously Unknown Deep-Sea Species - environment coastal & offshore Thirty previously unknown deep-sea species, including a carnivorous “death-ball” sponge, have been confirmed from one of the most remote parts of the planet by The Nippon Foundation–Nekton Ocean Censu...

30 previously unknown deep-sea species, including a carnivorous “death-ball” sponge, have been confirmed from one of the most remote parts of the planet by The Nippon Foundation–Nekton @oceancensus.bsky.social and collaborators. ecomagazine.com/news/researc...
🦑 🌊

5 months ago 72 23 1 4
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Ohio State, State of Ohio harness skills to save wildlife Just how many species of bees live in Ohio? Based on other states, estimates land between 400 and 450. Until recently, there hasn’t been a way to be sure.Thanks to the Ohio Biodiversity Conservation P...

A "good news" thing that the State of Ohio does is partner with universities and orgs like @visitcolumbuszoo.bsky.social to do vital conservation research. This story highlights fantastic work on native bees, but the efforts also focus on snakes, mussels & hellbenders

news.osu.edu/ohio-state-s...

5 months ago 2 1 0 0
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This tiny butterfly has the most chromosomes of any animal on Earth Scientists have confirmed that the Atlas blue butterfly carries the most chromosomes of any animal, with 229 pairs. Unlike duplication, its chromosomes split apart, reshaping its genome in surprising ...

Homie got 229 pairs of chromosomes

www.sciencedaily.com/releases/202...

6 months ago 230 79 9 15
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Jane Goodall, Eminent Primatologist Who Chronicled the Lives of Chimps, Dies at 91

Of all the best and kindest humans to ever live, Jane Goodall is near the top of my list.

Rest in Peace, you beautiful soul.

On behalf of the earth, I thank you

www.nytimes.com/2025/10/01/o...

6 months ago 4915 971 143 79
Deep-Sea Anemones of the Marshall Islands | Nautilus Live
Deep-Sea Anemones of the Marshall Islands | Nautilus Live YouTube video by EVNautilus

New #DEEPSEA Sea anemones of the Marshall Islands video by EV Nautilus! youtu.be/rnAfi-NBGXY?...

6 months ago 7 2 0 0