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#crustacean

1 post1 participant0 posts today
Public
Sunguramy :nb_lily:

#MarshMadness day 21
Two little isopods, Lirceus sp. They are not technically from a marsh they are from a spring, but the spring was rather tiny marsh-like so I am counting it.

Right now I am trying to get people to step up for our environment as the public comment period draws to a close on removing the National Environmental Policy Act. This will effectively destroy almost all environment protections in the United States. If you were worried they will destroy the National Parks for profit, rest assured this is the first step. By removing NEPA, they *will be able to*. Easily.

Please, go leave your comment (federalregister.gov/documents/), call your senators and congress, and keep fighting for nature.

A nine segmented medium brown with lighter brown and tan patterning little critter with long antenna. It is an aquatic relative of the "rolly pollies" you have in your backyard. There is a smaller one under the larger one, just a younger one. It gives a parent and child vibe to the image, although that would be really unlikely to actually be the case.
#marsh#spring#isopod
Public
Ele Willoughby, PhD

Bonus #ArtAdventCalendar & #invertefest &#crustmas print made for #InsertAnInvert2024 🦀 Time after time shrimp like crustaceans have evolved crablike forms (through a process called carcinization) and do a good job of pretending to be crabs, but this odd looking fellow is the real deal, a true crab. My red frog crab (Ranina ranina), also known as a spanner crab or Huỳnh Đế crab, is … 🧵

#linocut#printmaking#crustacean
Public
Lukas VFN 🇪🇺

#NewSpecies of ocean predator in the Atacama Trench
phys.org/news/2024-12-ocean-pr #DeepSea

A new large predator (#Amphipoda) hidden at hadal depths of the #AtacamaTrench: Johanna Weston et al. tandfonline.com/doi/full/10.10

"Characterized by darkness and intense pressure, the ocean's #HadalZone seems uninhabitable, yet dozens of unique organisms call it home... A new study highlights one of those species... This #crustacean is the first large, active predatory #amphipod from these extreme depths"

Close-up photo of a pale crustacean
Public
debbiev62

I went for a spring tide swim at Redcliffe Bay, Portishead a month ago and watched the Sand hoppers (Talitrus saltator) living up to their name and hopping & crawling away from the incoming high tide.

I've never seen so many in one spot as there wasn't much beach left for them. They're normally hidden in strandline debris and seaweed and other detritus. Adults spend the winter in a dormant state under the sand.

Taken with my phone

#sandhoppers#crustacean#nature
Public
Matt Potter

Absolutely massive, lobster-like signal crayfish in the river Misbourne. These species were brought to the UK from North America to be farmed, but have escaped into the wild & infiltrated some of the UK’s wild rivers, where they are pushing out the smaller native species from their habitats.

#wildlife#crayfish#buckinghamshire
Public
Lukas VFN 🇪🇺

Venomous #crustacean from Mayan underwater caves provides new drug candidates phys.org/news/2024-10-venomous

Diversely evolved xibalbin variants from remipede venom inhibit potassium channels and activate PKA-II and Erk1/2 signaling bmcbiol.biomedcentral.com/arti

"It was only discovered a few years ago that there also exist venomous #crustaceans—#remipedes that look like centipedes and live in marine #caves... Xibalbanus tulumensis lives in the cenotes, which are the underwater cave systems on the #Yucatan"

close-up photo of a head of a pale centipede-like crustacean
Public
San Francisco Baykeeper

In honor of California's new official crustacean, we present to you the illustrious #DungenessCrab, beautifully rendered by Fiorella Ikeue 🦀

In case you hadn't heard, "California has officially designated three new state symbols, Gov. Gavin Newsom announced Friday. The state now recognizes the #Dungeness crab as its official crustacean, the banana slug as its official slug, and the black abalone as its official seashell."

You can find this particular crab in our new puzzle from Oakland Puzzle Company 🧩
oaklandpuzzle.com/products/und

Learn more about California's new state symbols from the San Francisco Chronicle: sfchronicle.com/california/art

A Dungeness Crab
#baywildlife#crab#crabbing
Public
Lukas VFN 🇪🇺

Ancient #Crustacean Has Largest Fossil Claw of Any #Crab Ever Recorded scientificamerican.com/article paper: tandfonline.com/doi/full/10.10

"#NewZealand is well known for giant crab #fossils; hundreds of specimens of Tumidocarcinus giganteus have been found... But although this new crab lived at the same time, it was even chunkier: the largest specimen sported an 8-inch carapace & 8-inch claw, making it the biggest #fossil crab ever found"

drawing of a crab with a huge left claw
Public
Lukas VFN 🇪🇺

Swimming #crustacean eats unlikely food source in the deep ocean phys.org/news/2024-09-crustace

A #DeepSea isopod that consumes #Sargassum sinking from the #ocean’s surface royalsocietypublishing.org/doi

"Using the submersible #Alvin, scientists encountered this isopod swimming 3.7 miles deep... Surprisingly, these #isopods can be seen carrying something more common on the ocean's surface: large pieces of Sargassum #algae. At the surface, Sargassum grows using photosynthesis, forming floating forests"

photo of a small pale crustacean next to a piece of brown seaweed
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