Glowing sea slug behaves like a jellyfish, lizard, and Venus flytrap
Briefly

Bathydevius caudactylus, the first nudibranch discovered at such depths, possesses unique traits that distinguish it from all previously described species, supported by genetic evidence.
The organism exhibits bioluminescence and moves through its ocean habitat using an oral hood, propelling itself backward like a jellyfish, showcasing its unusual adaptation.
The discovery of B. caudactylus, observed between 1,000-4,000 meters deep, is a significant addition to marine biology, illustrating the marine ecosystem's unexplored wonders.
With B. caudactylus classified in a new phylogenetic family, its anatomy, diet, and behavior suggest a fascinating evolutionary path distinct from known nudibranchs.
Read at Ars Technica
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