Hannes Dahm

It is finally #WormWednesday again! 🪱 The perfect time to post my photo of this 40 cm long beast! :D Scientific name: Phyllodoce lineata ↓ thread with more info ↓ #marinelife #polychaetes #invertebrates

I still can’t fully wrap my head around Acanthocephala being rotifers due to the insane life cycle they have! Had a chance to look at one under the microscope and idk… they’re very weird animals 😅 This is Polymorphus minutus which parasitises ducks & gammarids as an intermediary host. #microscopy

A few photos from last week's IPC15 conference in Frankfurt. Many thanks to Carly for capturing them

Next semester I'll start my Master's Degree and I just got my schedule. I'm so excited!! I have nothing but interesting courses! Aaaaah I cannot wait! :D

Presented my poster at the IPC today. First time ever and also my first conference ever! Very scary!! >.< But I’m really happy with how it went, overall! :D The IPC is great! So much fun! So much interesting stuff! (Free cake as well!) Aaaaahdhfjdjdjdjdfjdjs :D

Drosophila eggs look surprisingly cool under the microscope! Kinda makes me want to look at eggs of other insects too! #microscopy #macrophotography #zoology #drosophila

I’ve been really quiet on here lately since I’ve been busy with designing a poster for IPC15. Aaaaah I’m so excited!! (It will be the first conference for me) Anyway, I fear I’ve left my page unattended for so long that mould has started to appear. Oh no! :0 #microscopy #fungi #mould #photography

I've had an idea in my sketchbook for awhile to draw cryptic moths (eg waved umber, green carpet) with part of the background faded or cut out. So you could appreciate how effective their camouflage is, & also how beautiful they are in their own right. I never got time to try it tho… Until now! 😁

So, I tried a new microscope technique today… Let’s just say it was successful! :D #microscopy

Here's another one, Eumolpus asclepiadeus.

So the bad news is that my plants have thrips. 😓 The good news is that I got a great photo! #thrips #microscopy #entomology

I was very surprised to find this beetle larva in my marine/brackish water sample today. I thought aquatic beetle larvae occurred exclusively in fresh water! If you have any idea as to what species/genus/family this belongs to, please let me know. I’m very curious! :D #microscopy #beetle #larva

I went to the sea last week and took some water for microscopy. Found a flatworm and just look at those cells! So pretty :D #microscopy #wormwednesday #flatworm

I can finally share the Giant Clam illustration I created for @20kleagueszine.bsky.social !! 🐠🐡🦑 #invert This was my favorite illustration of 2025 :) My papercraft has evolved considerably over the last few years

もちもち春の風物詩

Flabellospora acuminata - in a foam sample from northern hessia from last december. #AquaticHyphomycetes

iNatting for the City Nature Challenge with spectacular scenery! #landscape #nature #iNat #citynaturechallenge

Die letzten Wochen war hier alles gefroren. Einzig ein Entwässerungsgraben war eisfrei, aber in dem gibt es nur Ruderfußkrebse. Darum habe ich ausführlich Copepoden fotografiert. Von dorsal und ventral

Harpacticoida Copepoden sind nicht leicht zu fotografieren. Ich habe nur sehr wenige Fotos von denen. Heute habe ich ein Weibchen ventral mit angehängter Spermatophore ablichten können.

Breaking news! I have successfully adapted the camera to my microscope! Yaaay! Still need a bit more distance for parfocality with the eye pieces, so I‘m ordering a helicoid extension tube.

This week’s UV copepods! I swear these colours are getting wilder every week. #marineplankton 🦑

Hello cutie squish squash Spionidae larva! A gorgeous little polychaete (bristle worm) larva from last week’s sample. #marineplankton 🦑

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Micro-fried-chickenleg! #copepod #microscopy #pondlife #crustacean

oh interesting! A polychaete Phyllodoce mucosa surrounding this green ball! is that where the species epithet comes from ? A mucus ball? eggs? interesting! #wormwednesday www.inaturalist.org/observations...

Joining in with the reference vs. art thing 🌿

Three copepods under UV from my sample last week. A female Pseudodiaptomus marinus, a female Pseudocalanus sp., and a Harpacticoida (I don’t know genus). #marineplankton 🦑

Another copepod for you! <3 I just think they‘re very neat. This one‘s Eucyclops sp. #pondlife #microscopy #crustacean #copepod

Another Onychophore post! :) This time the whole animal from the side. I’m surprised by how well the colours got preserved. Apparently it has been collected a couple decades back and stored in ethanol ever since #onychophore #photography #macrophotography

A helluva chonk of a bristle worm! This is the larva of a polychaete from the genus Scolelepis and it was hard to miss! #marineplankton 🦑

Haven’t posted a polychaete in a while… :) This one’s Arenicolides branchialis. I love this very deep and dark iridescent green colour it has. In person it looked almost black. #polychaete #worm #WormWednesday