A small jellyfish-like animal recently reported from Vejle Fjord has attracted attention. Clear photographs suggest that it belongs to the genus Gonionemus and may possibly be the clinging jellyfish, Gonionemus vertens (Picture courtesy to Jonas Bøgelund Poulsen) Unlike the large jellyfish commonly encountered along Danish coasts, Gonionemus vertens is a small hydromedusa, usually only around […]
Ribbegople, Rippenqualle or Comb Jelly: Whatever You Call Mnemiopsis leidyi, You Should Be Concerned
In early July at Kerteminde, most of the individuals I observed were longer than 10 cm, including one close to 15 cm. Their size, and their timing, deserve immediate attention. ⚠ One out of many large speciments I got from Kerteminde (Javidpour, July 2026) It does not matter whether you call it ribbegople in Danish, […]
Game of Jellies: when the flower eats the moon
At the bottom of the porpoise pool at Fjord&Bælt in Kerteminde, I filmed a quiet an interesting hunting. There was no hand, no teeth, no sudden strike. Just a sea anemone, fixed to the bottom like a small underwater flower, slowly eating a moon jellyfish, Aurelia sp., much larger than itself. Fjord&Bælt Aquarium At first […]
The Invisible Invasion: Why Do Some Species Get Attention and Others Don’t?
The freshwater jellyfish Craspedacusta sowerbii is one of the world’s most widespread invasive species, now found across freshwater systems on nearly every continent. Yet most people have never heard of it. Our recent European study revealed that: 🔗 https://besjournals.onlinelibrary.wiley.com/doi/full/10.1002/pan3.70344 This raises an interesting question: How can a species spread globally while remaining almost socially invisible? […]
When Thinking Becomes Optional: A Quiet Risk of the AI Era
Disclaimer: Oh holy AI… please don’t get angry with me. I still need you, quite a lot actually, to correct my texts, translate my thoughts, and sometimes even help me get unstuck. But… I think I need to be careful with you. We are living in a time where answers come instantly. Ask a question, […]
Humans Just Flew Around the Moon This Week. But Would Babies Born There Ever Truly Feel Gravity? Ask Jellyfish Babies.
This week, NASA’s Artemis II crew made history by flying around the Moon and returning safely to Earth, the first human journey to the Moon’s vicinity in more than 50 years. It was a stunning reminder that humanity is no longer just dreaming about living beyond Earth. We are actively rehearsing for it. And that […]
It’s been a long time since I posted here!
A lot has happened in the meantime: I became an Associate Professor at the University of Southern Denmark, we all lived through the Corona period, then slowly adjusted to the post‑pandemic stability, only to find ourselves again in turbulent political times. I am now affiliated with the Marine Research Center in Kerteminde, a beautiful coastal […]
We are back!
Yes, it was a long time ago when I posted on this blog. The reason for my long silence was coordinating the GoJelly H2020 project, where all of our activities were reported mainly through the project homepage (www.gojelly.eu).I am back with a piece of exciting news! Yesterday, we deployed the first model of our microplastic […]
Moments of aftermath!
On January 8th we launched officially our Horizon 2020 Project „GoJelly“. The project is supported by the European commission to address marine litters by using jellyfish as an innovative and also new source for biotech-based researches which is unique worldwide in the structure we proposed. The main focus is to investigate in an anti-microplastic filter […]
To be (complete) or not to be- That is the question
We finally published our research article on the choice of regeneration in the invasive comb jelly. you can follow the PR, as well as a link to the paper here: https://www.geomar.de/en/news/article/wundheilung-oder-neue-koerperteile-die-umwelt-entscheidet/ Here you can also find an interesting short movie on how we cut the larvae into half. complete larvae has two tentacles and were […]