Opisthobranch Collection (page 3)

Yellow and brown headshield slug on beige coral, Komodo, Indonesia
Yellow and brown headshield slug (Chelidonura amoena) on beige coral, Komodo, Indonesia

Red and white spotted nudibranch on black sand, Komodo, Indonesia
Chromodoris reticulata, red and white spotted nudibranch on black sand, Komodo, Indonesia

Tiny cowrie shell on dendronephtya soft coral, Indonesia
Tiny cowrie shell on dendronephtya soft coral, Lembeh Strait, Bitung, North Sulawesi, Indonesia

Nudibranch in Raja Ampat, Indonesia

White speckled chelidonura nudibranch on red branching coral
White speckled chelidonura (Chelidonura fulvipunctata) on red branching coral at a depth of 15 metres, Florida Islands, Solomons

Orange and white nudibranch, North Sulawesi
Orange and white nudibranch (Halgerda batangas), Lembeh Strait, North Sulawesi, Indonesia

A tiny emperor shrimp on a nudibranch
A tiny emperor shrimp (Periclimenes imperator) hitches a ride on a nudibranch in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity

Yellow and brown headshield slug on white background
Yellow and brown headshield slug (Chelidonura amoena) on white background

White-spotted red nudibranch sea slug, Bali, Indonesia
White-spotted red nudibranch sea slug (Chromodoris tinctoria or reticulatus), Bali, Indonesia

A purple nudibranch searching for sponges to feed
A gorgeous nudibranch (Hypselodoris bullockii) searches for sponges to feed on in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs

Pair of hypselodoris bullockii nudibranch, North Sulawesi
Pair of hypselodoris bullockii with bright red gills and rhinophores, Lembeh Strait, North Sulawesi, Indonesia

Chromodoris kuniei nudibranch, North Sulawesi
Chromodoris kuniei nudibranch on black sand, Lembeh Strait, North Sulawesi, Indonesia

Green and purple T-bar nudibranch, Bali, Indonesia
Green and purple T-bar nudibranch (Ceratosoma tenue), Bali, Indonesia

A bright orange and white Phyllidia varicosa nudibranch, Komodo National Park, Indonesia

Nudibranch on coral, Papua New Guinea
Nudibranch (Phyllidia ocellata) on coral, volcano crater, Witu Islands, Kimbe Bay, Papua New Guinea

White flabellina nudibranch with orange rhinophores, Lembeh Strait, North Sulawesi, Indonesia

Chromodoris magnifica nudibranch, Komodo, Indonesia
Orange, white and black-striped Chromodoris magnifica nudibranch, Komodo, Indonesia

Red and white chromodoris tinctoria nudibranch, Lembeh Strait, North Sulawesi, Indonesia

Brown and yellow folded sea slug, Indonesia
Brown and yellow folded sea slug (chelidonura amoena) nudibranch, South China Sea, Indonesia

Flabellina exoptata nudibranch, Sabah, Malaysia
Flabellina exoptata sea slug nudibranch, Sabah, Malaysia

A colorful nudibranch near the island of Sulawesi, Indonesia
A colorful nudibranch (Halgerda batangas) crawls on a reef near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life

Picture No. 11072764
Tryon's Risbecia Nudibranch on red coral Jiko Lemong dive site, Lembeh Straits, Sulawesi, Indonesia. Tryon's Risbecia Nudibranch

Picture No. 11072746
Bifurcate Rostanga Nudibranch camouflaged on sponge Serena Besar dive site, Lembeh Straits, Sulawesi, Indonesia. Bifurcate Rostanga Nudibranch

Picture No. 11072734
Diana's Chromodoris Nudibranch California Dreaming dive site, Lembeh Straits, Sulawesi, Indonesia. Diana's Chromodoris Nudibranch

Picture No. 11072727
Pustulose Phyllidiella Nudibranch Batu Sandar dive site, Lembeh Straits, Sulawesi, Indonesia

Picture No. 11072716
Varicose Phyllidia Nudibranch on orange coral Nudi Falls dive site, Lembeh Straits, Sulawesi, Indonesia. Varicose Phyllidia Nudibranch

Picture No. 11072713
Aeolid Nudibranch in egg sac Hei Nus dive site, Lembeh Straits, Sulawesi, Indonesia. Aeolid Nudibranch

Picture No. 11072690
Pair of Black-margined Glossodoris Nudibranchs Serena Besar dive site, Lembeh Straits, Sulawesi, Indonesia. Pair of Black-margined Glossodoris Nudibranchs

Pilsbrys Headshield Slug (Philinopsis pilsbryi) adult, with egg mass, at night, Lembeh Straits, Sulawesi, Greater Sunda Islands, Indonesia, November

Shaggy mouse nudibranch (Aeolidia papillosa) on coral. Nudibranchs are shell-less marine molluscs that live in seas around the world

Venus Slipper, an unshelled pteropod mollusc
Venus slipper. Venus Slipper, Cymbula sp. an unshelled pteropod mollusc which has adapted to a free-swimming lifestyle in the ocean

Headshield slugs on soft coral
Headshield slugs (Chelidonura amoena) on soft coral. Photographed off Rinca island, Komodo National Park, Indonesia

Nudibranch laying eggs
Nudibranch (Flabellina verrucosa) laying eggs. Nudibranchs are shell-less marine molluscs that live in seas around the world

Shaggy mouse nudibranchs

Sea angel (Clione limacina) with hatchlings. The sea angel is a type of sea slug. Its hatchlings are secreted from the adult in a spherical mucus cocoon

Nudibranch and emperor shrimp
Nudibranch (Chromodoris annae) with an emperor shrimp (Periclimenes imperator, centre). Nudibranchs, or sea-slugs, are shell-less marine molluscs that live in seas around the world

Nudibranchs (Precuthona sp.). Nudibranchs are shell-less marine molluscs that live in seas around the world. They have external gills that give the nudibranch its name, meaning naked gills

Nudibranch eating hydrozoa
Nudibranch (Flabellina verrucosa) eating hydrozoa (Eudendrium sp.). Nudibranchs are shell-less marine molluscs that live in seas around the world

Predators feeding on a hydroid colony
Predators feeding on a hydrozoa colony. Colony of Tubularia larynx hydrozoa that has been destroyed by nudibranchs (Coryphella sp)

Bubble shell. Bubble shells (suborder Cephalaspidea) are primitive sea slugs related to nudibranchs. They have retained a shell, which may be reduced or internal, and unlike terrestrial snails

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"Opisthobranchs: The Colorful World of Nudibranchs Mating" Witness the mesmerizing dance of opisthobranchs, commonly known as nudibranchs, as they engage in their intricate mating rituals. These fascinating creatures, found in various oceans around the world, display a stunning array of vibrant colors and patterns. In Papua New Guinea's waters, an Aeolid nudibranch gracefully perches on an orange sponge. Its delicate body adorned with striking hues creates a breathtaking sight that showcases nature's artistic prowess. Venturing into the depths of Bali's Seraya during a blackwater night dive reveals another enchanting spectacle - sea butterflies floating effortlessly in the water column. These ethereal beings resemble miniature angels with translucent wings fluttering gently amidst the darkness. Their presence adds an otherworldly charm to this underwater realm. As we explore further into Indonesia's Indian Ocean, more opisthobranch wonders await us. In UW INDO 2030 42 and UW INDO 2030 44, these marine marvels captivate with their intricate patterns and textures that seem like works of art painted by Mother Nature herself. UW INDO 2026 67 and UW INDO 2026 28 showcase yet another aspect diversity - their ability to adapt to different environments. From rocky surfaces to sandy bottoms, these resilient creatures thrive wherever they call home. Traveling back through time to UW INDO 1973 07 and even further to UW INDO1908 O5 reminds us that opisthobranchs have been gracing our oceans for centuries. Their existence is a testament to evolution's brilliance and serves as a reminder of our responsibility towards preserving these fragile ecosystems. So let us immerse ourselves in the captivating world of opisthobranchs – where beauty meets biology, and every encounter with these enchanting creatures leaves us in awe.