Chris Mah
@echinoblog.bsky.social
4.7K followers 780 following 2.8K posts
The "starfish guy" (but I also know a little about a lot of marine invertebrates, #echinoday #echinoderms. Kaiju, comics enthusiast. Marine scientist, taxonomist, deep-sea researcher etc... statements made here are my own and do not rep host organizations
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Reposted by Chris Mah
biodiversitypix.bsky.social
🎣 Monographie der Medusen
Jena: G. Fischer, 1879-1881.

[Source]
Historical scientific illustration of the jellyfish Desmonema from "Monographie der Medusen" (Jena, 1879-1881). The image shows four detailed views: a large, bell-shaped jellyfish with numerous long, flowing tentacles extending downward; a top-down view of the bell revealing internal structures and radial symmetry; and two cross-sectional diagrams highlighting intricate anatomical features with labeled parts. Rendered in light brown and blue-gray tones, the illustration emphasizes the jellyfish's complex tentacle arrangement, delicate undulating bell margin, and internal organ systems typical of the Discomedusae group. The drawing is finely detailed for scientific study and identification.
Reposted by Chris Mah
pbeasleyhall.bsky.social
Cooloola monsters are weird, chunky insects endemic to South East Queensland, Australia. They're probably related to king crickets (Anostostomatidae), but not much is known about their evolution. The wingless females live permanently underground. #EverydayEnsifera

📸: Visit Gympie Region
A pale insect with tiny eyes digging underground. It looks almost like a fat potato with legs.

Source: https://www.visitgympieregion.com.au/great-experiences/wildlife/
Reposted by Chris Mah
thetnholler.bsky.social
CNN: “An older couple making $85K/year will see their yearly insurance premiums jump from $7K to $25,000 — 30% of their income.” 😳#TrumpShutdown #TrumpHealthCareTax

This is what Dems are drawing attention to and want fixed. Now, not later.
Reposted by Chris Mah
nmbluk.bsky.social
From our rare books collection we have this illustration of Vampyroteuthis infernalis, also known as the vampire squid from hell. In an order of its own, we don't really think the vampiric moniker is fair either as they actually feed on detritus and not blood #EYAMonsters
A colour illustration of Vampyroteuthis infernalis. The main body is painted black, with eyes painted to look bioluminescent
Reposted by Chris Mah
Reposted by Chris Mah
biodiversitypix.bsky.social
🦑 Mollusques meÌditeraneÌens [!]
GeÌ ACnes: Impr, des sourds-muets, 1851.

[Source]
Historical scientific illustration of a squid (Loligo vulgaris) shown from a dorsal view. The squid is depicted with a rounded, elongated body covered in pink and greenish speckles. Its large eyes are prominently illustrated, along with ten tentacles, two of which extend to the sides and appear longer with detailed suction cups. To the right of the squid, an elongated, leaf-shaped internal shell or gladius is displayed separately. The illustration is labeled with scientific terms and appears on an aged beige background, typical of 19th-century natural history prints, emphasizing anatomical features for identification.
Reposted by Chris Mah
patrlynch1.bsky.social
An iconic keystone species of the U.S. Atlantic Coast, the Blue Crab (Callinectes sapidus), or "beautiful, savory swimmer." For a new project.
🧪🌿🌎 #sciart #wildlife #scicomm #sciviz #wildlifeart #illustration #scientificillustration #natureart #visualscicomm #sciviz #scicomm #crabs #BlueCrab
A very detailed top-view illustration of a female Blue Crab. Drawn with Photoshop and a Wacom drawing tablet.
Reposted by Chris Mah
kelleywelley.bsky.social
Pen and ink drawing of a depressed spider crab, Xenocarcinus depressus.
#Inktober #inktober2025 #sciart #coralreefs #crustacians #marinelife
Drawing of a spider crab
Reposted by Chris Mah
Reposted by Chris Mah
dantheclamman.blog
Phoresis is the name for when one organism attaches to another for the purpose of travel, and pea clams (Sphaeriidae) are masters of it. They attach to birds, fish, salamanders, and even aquatic insects like dragonflies or water boatmen to get a ride upstream. Ride on, little clams! (293)
Figure from Zelaya and Marinone 2012 showing a reservoir in Bolivia, where an unfortunate water boatman was found with two pea clams clamped onto its little claws. A pea clam is shown, 4 mm long or so. A close up of a claw, and a chip on the shell from where the boatman tried to kick off its hitchhiker, and also a piece of the leg stuck in the clammed-up bivalve gill
Reposted by Chris Mah
zacklabe.com
October has observed some of the largest warming trends in the #Arctic. This is greatest over areas with a lack of sea ice cover (nearly all of the Siberian Arctic). Arctic amplification is largest in the boreal fall.

Data: doi.org/10.24381/cds.... Info: doi.org/10.1175/BAMS....
Polar stereographic map of 2-m temperature trends in units of °C per decade over the Arctic for the month of October. Trends are calculated over the 1979 to 2024 period using ERA5. The largest warming is an areas of open water that were previously sea ice covered along the Siberian side of the Arctic. These trends exceed 2°C/decade in these areas.
Reposted by Chris Mah
tressiemcphd.bsky.social
I have been trying to explain a microfiche machine to one of my dear, brilliant, talented, but clearly too young to be alive collaborators. And it is taking the last of my soul.

“Micro…fish?? I have never heard that word in my life.” I recorded the timestamp so it can be put on my tombstone.
Reposted by Chris Mah
Reposted by Chris Mah
thetnholler.bsky.social
“WE CAN AFFORD THIS”: New Mexico US Sen. Martin Heinrich warns of economic crisis if Republicans succeed in killing health insurance subsidies for working families.
echinoblog.bsky.social
A recent sighting of the "Bonaire Box Jelly" described by @agcollins.bsky.social in 2011! www.facebook.com/groups/39990... summary account insider.si.edu/2011/03/ohbo...
screengrab showing a box jelly with 4 pink segmented arms  and speckles on the bell.
echinoblog.bsky.social
#wormwednesday
socdevbio.bsky.social
🪱 Planarian (Schmidtea mediterranea)
✨ Planarians can regenerate a complete body from tiny fragments thanks to their amazing pluripotent stem cells (neoblasts) 🧬 A star of regeneration and stem cell biology
📸 Image by Rachel Gandee #ModelMonday #DevBio
Reposted by Chris Mah
socdevbio.bsky.social
🪱 Planarian (Schmidtea mediterranea)
✨ Planarians can regenerate a complete body from tiny fragments thanks to their amazing pluripotent stem cells (neoblasts) 🧬 A star of regeneration and stem cell biology
📸 Image by Rachel Gandee #ModelMonday #DevBio
Reposted by Chris Mah
alisonfisk.bsky.social
Spectacular googly-eyed octopus does battle with a lobster in this 2,000 year-old Roman mosaic from Pompeii! 🐙 🦞

Fantastic fishy onlookers too! 👀

From the House of the Geometric Mosaics. Now at the Museo Archeologico Nazionale, Naples.
📷 by me

#MosaicMonday
#Archaeology
My photo shows a polychrome mosaic depicting Mediterranean marine life using earthy-coloured tesserae (mosaic tiles) against a black tessarae background. At the centre of the mosaic is a pale-coloured octopus composed of off-white and light brown tesserae with some of its writhing tentacles wrapped around the body of a lobster composed of light red, and pinky-brown tesserae. The octopus has an egg shaped body/head and it stares at the viewer with large eyes made of brown and pink circles with black centres. 

The octopus and lobster are surrounded by various species of large and small Mediterranean fish and a mollusc, including an eel and a flat fish. On the left hand side of the scene there is a small kingfisher bird on top of a rock. Some of the fish appear to be watching the fight between the octopus and the lobster

This mosaic comes from the House of the Geometric Mosaics in Pompeii. Now on display at the Museo Archeologico Nazionale, Naples.
Reposted by Chris Mah
adamparkhomenko.bsky.social
A frog just defeated ICE. Somewhere Pepe is crying.
Reposted by Chris Mah
ztubert.bsky.social
While researching our family tree, I found out my great, great grandmother was a pearl button maker in Birmingham (1871 census). Apparently it was piece work, and often done from home.