Erick Arrashy Rudianto
@erickrudianto.bsky.social
200 followers 190 following 110 posts
Invertebrate zoology enthusiasts. Currently working with marine digenean. Natural history lover and history nerd PhD Student of Marine Science at Universitas Diponegoro
Posts Media Videos Starter Packs
Reposted by Erick Arrashy Rudianto
adrian-currie.bsky.social
If you’re interested in practicing the philosophy of science in practice why not come along to an online workshop “the philosophy of science in practice - in practice”? #philsci
Reposted by Erick Arrashy Rudianto
the-episiarch.bsky.social
Hirudinella is a genus of stomach flukes which are usually associated with the Wahoo. But species in this genus can be found in a wide range of pelagic fishes, including the Pacific bluefin tuna 🧪
#Invertebrate
www.researchgate.net/publication/...
Top: A young Pacific bluefin tuna
Centre: The opened body cavity of a young bluefin showing the internal organs and a pink fluke.
Bottom: Two photos of a Hirudinella fluke, contracted (left) and extended (right),
erickrudianto.bsky.social
My friend who is studying in Germany gifted me this book. Thank you 🥺
Reposted by Erick Arrashy Rudianto
the-episiarch.bsky.social
Crouching Parrot, Hidden Louse:
The Kyloring (Pezoporus flaviventris) is a critically endangered species of Australian parrot, and it is host to Forficuloecus pezopori - a species of louse which lives only on the Kyloring and nowhere else.
#Invertebrate 🧪
dailyparasite.blogspot.com/2024/06/forf...
<i>Forficuloecus pezopori</i>
Parasites are a major part of biodiversity, but they spend most of their time hidden in plain sight. Even with some animals that have been k...
dailyparasite.blogspot.com
Reposted by Erick Arrashy Rudianto
the-episiarch.bsky.social
There's a species of apicomplexan parasite called Siedleckia nematoides which looks like microscopic version of those soft plastic grub fishing lure🧪
journals.plos.org/plosone/arti...
A Mister Twister Curly Tail Grub soft plastic fishing lure in chartreuse with red speckles Composite micrograph showing the sequence of movement of a single detached Siedleckia nematoides parasite, shown as three separate individuals.
From Fig. 1H of the paper: Valigurova, A., Vaškovicová, N., Diakin, A., Paskerova, G. G., Simdyanov, T. G., & Kováčiková, M. (2017). Motility in blastogregarines (Apicomplexa): Native and drug-induced organisation of Siedleckia nematoides cytoskeletal elements. PLoS One, 12(6), e0179709.
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0179709
erickrudianto.bsky.social
This is my first time seeing alive lernanthropid copepod (possibly Lernanthropus latis)!
Reposted by Erick Arrashy Rudianto
burnsajohn.bsky.social
Some little circus performers. #protistsonsky
Reposted by Erick Arrashy Rudianto
nhmbryozoa.bsky.social
#MolluscMonday Photographed at Hampton Court Palace last week, orthocone nautiloids in paving slabs of Swedish Ordovician limestone. A microfault crosses the chambered phragmocone of one. The other fossil may represent a siphuncular structure but comments would be welcomed.
erickrudianto.bsky.social
Some parasitic copepods and a gnathiid isopod that I found during fieldwork in Alor.
erickrudianto.bsky.social
#WormWednesday
Two digeneans recovered from the GI-tract of a sciaenid host.
erickrudianto.bsky.social
A new addition to my collection 👀
erickrudianto.bsky.social
Looking forward to see that pictures Dr Johnson!
Reposted by Erick Arrashy Rudianto
djbirddanerd.bsky.social
Talking about another true #invertefest: belemnite "battlefields" or "Schlachtfelder". Despite the name, they are generally used to refer to dense accumulations of #fossil #cephalopod rostra, which can be formed under various mechanisms. Irrespectively, they are a great way to obtain large samples.
A dense accumulation of fossil belemnite rostra (including also some encrusting bivalves) from the Pliensbachian-Toarcian GSSP of Peniche Portugal (see https://doi.org/10.1098/rsos.190494).
erickrudianto.bsky.social
Now, I am wondering about their parasites too...
Reposted by Erick Arrashy Rudianto
nhmbryozoa.bsky.social
#FossilFriday. Silurian tabulate coral Heliolites. From the cutting room floor of 'Fossils. The Essential Guide’, which used a lower magnification image of the same fossil.
Reposted by Erick Arrashy Rudianto
isepprotists.bsky.social
New #ISEPpapers! The fluid dynamics and functional diversity of the flagella of free-living flagellates orbit.dtu.dk/en/publicati...

#Protists #Microbes #FluidDynamics #Biophysics
simple models of various microbial cells with diverse configurations of flagella
Reposted by Erick Arrashy Rudianto
the-episiarch.bsky.social
Ichthyostracan Origins
#Invertebrate #SciArt #PalaeoArt
Top: Illustration of a Myllokunmingia with a speculative ancestor of branchiurans attached to its flank.
Bottom: Illustration of a Yunnanozoon with a pentastomid attached to its gill opening
Reposted by Erick Arrashy Rudianto
palaeoverse.bsky.social
🚨Palaeoverse Lecture Series🚨
🗓️28th August 2025, 15:00 UTC🗓️

Join us for next week’s talk given by @sauropodlets.bsky.social from the University of Leeds, on “Modelling ancient food webs: ecosystem changes across the Pliocene marine megafaunal extinction” 🦈

Register here: bit.ly/palaeoverse-...
A flyer for the next edition of the Palaeoverse Lecture Series, featuring a cartoon of an open laptop with the Palaeoverse logo on the back, and a picture of Amy Shipley, wearing a denim jacket and with sunglasses on her head, smiling into the camera
erickrudianto.bsky.social
True, but maybe hard to design, hence the chemical shells aren't realistic 🤣
erickrudianto.bsky.social
As someone who previously played War Thunder, the fridge magnets tempt me aggh
Reposted by Erick Arrashy Rudianto
the-episiarch.bsky.social
The shark-sucker barnacle - Anelasma squalicola - is a barnacle with an unusual habit.

Instead of filter feeding on plankton, it has evolved to parasitise deep sea squaloid sharks such as lantern sharks and Greenland shark 🦈
#Invertebrate 🧪
dailyparasite.blogspot.com/2014/09/anel...
<i>Anelasma squalicola</i> (revisited)
A few months ago I wrote a Dispatch   for Current Biology about a newly published study on Anelasma squalicola  - a parasitic barnacle that...
dailyparasite.blogspot.com
erickrudianto.bsky.social
This is such a cool project!
djbirddanerd.bsky.social
Final days (Deadline: August 15) to apply for a 4-year #PhD position to work on inclusions in Permian-Triassic coprolites and how they can inform us on the impact of mass #extinction of parasite-host associations.
Reconstruction of Ascarites by @Franzanth - an egg attributed to Ascaridae known since the Triassic.