Nudibranchs, Sea Hares / Seaslugs Opisthobranchia

Blue Dragon Nudibranchs (Pteraeolidia ianthina) laying eggs.
Blue Dragon Nudibranchs (Pteraeolidia ianthina) laying eggs. sex reproduction maternal maternity birth vertical mating Molluscs |Blue Dragon Nudibranchs (Pteraeolidia ianthina)

Short-tailed Nudibranch (Ceratosoma brevicaudatum) foraging over sea bed.
Short-tailed Nudibranch (Ceratosoma brevicaudatum) foraging over sea bed. single one alone lonely isolated individual colour color colourful colorful vibrant vibrent vibrint slug dorid mollusc molluscs invertebrate invertebrates pink orange white red soft delicate fragile slow slowly slower slowing sluggish crawl crawling inching Molluscs |Short-tailed Nudibranch (Ceratosoma brevicaudatum)

Red-gilled Nudibranch (Nembrotha rutilans) Detail of head.
Red-gilled Nudibranch (Nembrotha rutilans) Detail of head. Nudibranchia single one alone lonely isolated individual colour color colourful colorful vibrant vibrent vibrint red blue cyan alert alarm alarmed look looking lookout look-out out surprise surprised ear ears perk perky perked slug seaslug sea-slug radar antennae frill frilled |Red-gilled Nudibranch (Nembrotha rutilans)

Fire Nudibranch (Cuthona sibogae) feeding on Hydroid (Sertularella sp.).
Fire Nudibranch (Cuthona sibogae) feeding on Hydroid (Sertularella sp.). Tergipedidae seaslug seaslugs sea-slug sea-slugs Nudibranchia Aeolidina single one alone lonely isolated individual small tiny minute minuet miniscule diminutive macro micro little minor minature miniature petite puny colour color colourful colorful vibrant vibrent vibrint pink mauve purple yellow gold golden lemon flavus, flava, flavum small tiny minute minuet miniscule diminutive macro micro little minor minature miniature petite puny soft delicate fragile breakable pretty vertical |Fire Nudibranch (Cuthona sibogae)

Margined Glaucilla (Glaucilla marginata) Open ocean or pelagic nudibranch feeding on Portuguese Man-of-war or Blue Bottle Jellyfish (Physalia physalia)
Margined Glaucilla (Glaucilla marginata) Open ocean or pelagic nudibranch feeding on Portuguese Man-Of-War or Blue Bottle Jellyfish (Physalia physalia) strange unusual weird bizarre bizzare bizzarre ugly freak freaky feed eat eating consume consuming bite biting Molluscs eat eating eater feed feeding feeder consume consuming devour devouring |Margined Glaucilla (Glaucilla marginata)

Lugubris Nudibranch (Phestilla lugubris) laying egg mass.
Lugubris Nudibranch (Phestilla lugubris) laying egg mass. sex reproduction nest Molluscs |Lugubris Nudibranch (Phestilla lugubris)

Sea Hare (Aplysia sp.)
Sea Hare (Aplysia sp.) sliding slug snail slimy Molluscs |Sea Hare (Aplysia sp.)

Dorid Nudibranch (Dorididae sp.)
Dorid Nudibranch (Dorididae sp.) Molluscs |Dorid Nudibranch (Dorididae sp.)

Side-gilled Sea Slug (Pleurobranchus grandis)
Side-gilled Sea Slug (Pleurobranchus grandis) red orange pink pattern mollusc molluscs colour color colourful colorful vibrant vibrent vibrint camouflage camoflage camouflaged camoflaged hidden hiding hide cryptic Molluscs |Side-gilled Sea Slug (Pleurobranchus grandis)

Varicose Nudibranch (Phyllidia varicosa)
Varicose Nudibranch (Phyllidia varicosa) colour color colourful yellow blue cyan bumps bumpy lumps lump lumpy Molluscs |Varicose Nudibranch (Phyllidia varicosa)

Tyron's Nudibranchs (Risbecia tryoni) mating.
Tyron's Nudibranchs (Risbecia tryoni) mating. Nudibranchia two pair couple together duo paired partner partners twin partnership sex reproduction mate mating maternal copulate copulation spots spotted dot dots dotted spot speckled specks colour color colourful colorful vibrant vibrent vibrint purple mauve seaslug seaslugs sea-slug sea-slugs |Tyron's Nudibranchs (Risbecia tryoni)

Variable Chelidonura (Chelidonura varians) Laying Eggs
Variable Chelidonura (Chelidonura varians) Laying Eggs single one alone lonely isolated individual mother motherhood mother-hood mothering maternal care caring parent parental parenting sex reproduction maternal line lines lined stripe stripes striped patterns pattern band bands banded blue cyan sand sandy sandflat seabed sea bed sea-bed seafloor sea-floor floor |Variable Chelidonura (Chelidonura varians)

Helgerda Nudibranch (Helgerda sp.)
Helgerda Nudibranch (Helgerda sp.) mollusc seaslug slug sea spots spotted dot dots dotted spot speckled specks Molluscs vertical Molluscs |Helgerda Nudibranch (Helgerda sp.)

Blue Phyllidia Nudibranch (Phyllidia coelestis)
Blue Phyllidia Nudibranch (Phyllidia coelestis) blue patterned yellow lumps lumpy Molluscs |Blue Phyllidia Nudibranch (Phyllidia coelestis)

Rose Petal Bubble Shell (Hydatina physis)
Rose Petal Bubble Shell (Hydatina physis) petals skirts flowery wavey fragile delicate pretty Molluscs |Rose Petal Bubble Shell (Hydatina physis)

Gardiner's Nudibranchs (Notodoris gardineri) mating.
Gardiner's Nudibranchs (Notodoris gardineri) mating. colour color yellow reproduction sex Molluscs |Gardiner's Nudibranchs (Notodoris gardineri)

Spanish Dancer (Hexabranchus sanguineus) Egg ribbon attached to coral reef.
Spanish Dancer (Hexabranchus sanguineus) Egg ribbon attached to coral reef. colour color colourful red magenta pink frills frilly tassles reproduction reproduce sex folded folds crumple gathered gather Molluscs |Spanish Dancer (Hexabranchus sanguineus)

Phyllidia Nudibranch (Phyllidia ocellata)
Phyllidia Nudibranch (Phyllidia ocellata) colour color colourful blue cyan bumps bumpy knobs knobby knob ocelli crawl slide Molluscs |Phyllidia Nudibranch (Phyllidia ocellata)

Painted Nudibranch (Hypselodoris infucata) foraging over coral reef growths.
Painted Nudibranch (Hypselodoris infucata) foraging over coral reef growths. Nudibranchia mollusc molluscs single one alone lonely isolated individual spots spotted dot dots dotted spot speckled specks colour color colourful colorful vibrant vibrent vibrint yellow red orange blue cyan search searching looking profile gill gills |Painted Nudibranch (Hypselodoris infucata)

Hill's Side-gilled Sea Slug (Pleurobranchus hilli) moving over sandy sea bed.
Hill's Side-gilled Sea Slug (Pleurobranchus hilli) moving over sandy sea bed. single one alone lonely isolated individual colour color colourful colorful vibrant vibrent vibrint red rust maroon mollusc molluscs Molluscs |Hill's Side-gilled Sea Slug (Pleurobranchus hilli)