Aeolidida Collection

An Aeolid nudibranch on an orange sponge, Papua New Guinea
An Aeolid nudibranch (Caloria indica) on an orange sponge, Fathers reef, Kimbe Bay, Papua New Guinea

Red-finger Aeolis -Flabellina verrucosa-, Sea of Japan, Russia

Head on view showing cerata on an aeolid nudibranch, Pteraeolidia ianthina, in Komodo National Park, Indonesia

A flabellina nudibranch amongst coral
A flabellina nudibranch (Flabellina exoptata) amongst coral at a depth of 10 metres, Florida Islands, Solomons

A solar-powered nudibranch crawls across the seafloor
A solar-powered nudibranch (Phyllodesmium longicirrum) crawls across the seafloor of Indonesia. This species feeds on soft corals and has a symbiosis with zooxanthellae

A small solar-powered nudibranch on the seafloor
A small solar-powered nudibranch (Phyllodesmium sp.) crawls across the seafloor of Lembeh Strait, Indonesia. Lembeh Strait is known for its diverse array of bizarre marine organisms

Violette sea slug -Flabellina affinis-, Mediterranean Sea, Croatia

Cratena slug -Cratena peregrina-, Mediterranean Sea, Croatia

Red-finger Nudibranch -Flabellina verrucosa-, White Sea, Karelia, Arctic, Russia

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Aeolidida, also known as aeolid nudibranchs, are a stunning and diverse group of sea slugs found in various parts of the world. In Papua New Guinea, an Aeolid nudibranch gracefully perches on top of a vibrant orange sponge, showcasing its intricate beauty. Meanwhile, in the Sea of Japan, Russia, the Red-finger Aeolis -Flabellina verrucosa- captivates with its striking red coloration against a backdrop of underwater wonders. From a head-on view, we can admire the cerata adorning an aeolid nudibranch's body like delicate jewels. These appendages not only enhance their appearance but also serve as respiratory organs. Moving to coral reefs, we encounter a flabellina nudibranch seamlessly blending into its surroundings—a testament to nature's remarkable camouflage abilities. One fascinating aspect about some species is their ability to harness solar power for sustenance. A solar-powered nudibranch glides across the seafloor effortlessly while basking in sunlight—an extraordinary example of adaptation and energy efficiency. Even smaller members of this unique family partake in this phenomenon; a tiny solar-powered nudibranch finds solace amidst sandy depths. Venturing into the Mediterranean Sea off Croatia's coast reveals more captivating species such as the Violette sea slug -Flabellina affinis-. Its vivid purple hue adds splashes of color to an already mesmerizing marine ecosystem. Joining it are Cratena slugs -Cratena peregrina-, showcasing their own distinctive charm against Croatia's azure waters. Finally, journeying northwards to White Sea in Karelia Arctic region brings us face-to-face with another variation—the Red-finger Nudibranch -Flabellina verrucosa-. Here, these enchanting creatures brave colder temperatures and thrive amidst icy landscapes—truly resilient beings that adapt remarkably well even under extreme conditions.