Sea Slug Collection (page 5)

Umbraculum umbraculum sea slug on the seabed. This is a primitive sea slug that has a shell on its back. This shell is covered in grey detritus

Nembrotha kubaryana sea slug
Nembrotha kubaryana nudibranch, a type of sea slug. This nudibranch inhabits reefs in the tropical Indo-Pacific region. It feeds on ascidians and can reach 12 centimetres in length

Glossodoris hikuerensis sea slug
Glossodoris hikuerensis nudibranch, a type of sea slug. This sea slug inhabits the tropical waters of the Indian Ocean and the western Pacific Oceans

Sea slug (Elysia ornata). Photographed in Fishmarket, Biak, West Papua in Indonesia, Asia

LM of metaphase mitosis in a triton (sea slug) egg
Metaphase cell division. Light micrograph of cell division (mitosis) in a triton (naked sea slug/ nudibranch) egg. This is the metaphase stage in mitosis

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

Sea slug (Coryphella polaris), from the white sea, Russia

Chromodoris annulata nudibranch
Chromodoris annulata is a large smooth pale-bodied nudibranch with many vivid yellow spots, though these may be absent in some individuals

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

Nudibranch eggs
Nudibranch (Flabellina verrucosa) eggs. 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

Shaggy mouse nudibranchs

Common clione (Clione limacina). This is a sea angel, a type of sea slug

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)

Lined chiton and nudibranch eggs. Lined Chiton (Tonicella marmorea, left) next to a spiral-shaped clutch of nudibranch (sea slug) eggs

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

Nudibranch and shrimp
Nudibranch (Chromodoris verrieri), or sea-slug, with an emperor shrimp (Periclemenes imperator). Photographed off Komodo, Indonesia

Melibe mirifica - sand scraping nudibranch swimming in midwater - Indonesia
VT-9018 Melibe mirifica - sand scraping nudibranch swimming in midwater Indonesia Melibe mirifica Valerie & Ron Taylor Please note that prints are for personal display purposes only

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The mesmerizing world of sea slugs, also known as nudibranchs, is a kaleidoscope of vibrant colors and intricate patterns. Among them, the purple Janolus cristatus stands out in the crystal-clear waters surrounding Vela Luka on Korcula Island in Croatia's Adriatic Sea. With its delicate gills exposed and no protective shell, this species relies on toxic chemicals for self-defense. Venturing further to the Great Barrier Reef in Queensland, we encounter another fascinating creature - the Chromodoris coil. Unlike most snails, this nudibranch showcases its exquisite beauty without a shell while relying on toxic compounds to ward off potential predators. In North Sulawesi's Lembeh Strait lies an underwater paradise where Phyllidia marindica thrives. This stunning nudibranch captivates with its unique coloration and intricate markings against a backdrop of vibrant coral reefs. Delving into uncharted territory brings us face-to-face with newly discovered species like Doto greenamyeri found gracefully perched upon feather hydroids. These elusive creatures continue to amaze scientists as they unravel nature's secrets. A true marvel of nature unfolds before our eyes as we witness the Fingerprint Flamingo Tongue crawling over a sponge in Little Tobago, Trinidad and Tobago. Its striking pattern resembles that of a flamingo's feathers and serves as camouflage among its surroundings. Moving closer to home, we encounter Aeolidia papillosa alongside Snakelocks Anemone in shallow pools along rocky shores. The Common Grey Seaslug displays elegance amidst its natural habitat while showcasing an intimate connection between different marine organisms. Witnessing nudibranchs mating reminds us of their complex life cycles and reproductive strategies that contribute to their remarkable diversity. These captivating moments highlight not only their beauty but also their importance within marine ecosystems worldwide. A composite image reveals an awe-inspiring variety and abundance of tropical nudibranch species against a black background in the Indo-Pacific region.