Ringed Sapsucking Slug (Plakobranchus ocellatus) チドリミドリガイ – size 4cmThe Ringed Sapsucking Slug...

Eared Sea Hare (Dolabella auricularia) タツナミガイ – size 25cmThis Eared Sea Hare was hard to spot....

Gold Lace Nudibranch (Halgerda terramtuentis)The Gold Lace Nudibranch is endemic to Hawaii. It is a ...

Yellow-margined Spanish Dancer (Hexabranchus aureomarginatus) size 20cmThe Yellow-margined Spanish D...

Red-margined Spanish Dancer (Hexabranchus sandwichensis) size 30cmThe Red-margined Spanish Dancer is...

White Margin Nudibranch (Glossodoris rufomarginata) キャラメルウミウシ – Brown Margin Glossodoris ̵...

Sea Hare (Aplysia japonica) クロヘリアメフラシThere is a wide variation in color of Sea Hares, Aplysia japoni...

Redline Flabellina (Coryphellina rubrolineata) セスジミノウミウシA Redline Flabellina working on a hydroid. T...

Dwarf Sea Hare (Aplysia sp.) アメフラシThis is a very small Sea Hare. It looked like Aplysia parvula whic...

Blue Swallowtail Slug (Chelidonura hirundinina) ニシキツバメガイThe Blue Swallotail Slug is a type of Headsh...

Anna’s Chromodoris (Chromodoris annae) アンナウミウシ also Anna’s magnificent sea slug size 5cm...

Sky Blue Phyllidia (Phyllidia coelestis) ソライロイボウミウシ – size 6cmSky Blue Phyllidia is a type of ...

Sea Hare (Aplysia sp.?) Noto 2014 Sea Hare grazing on seaweed. Noto 2014

Lovely Headshield Slug (Chelidonura amoena) コナユキツバメガイLovely Headshield Slugs are a type of Headshiel...

Blue Dragon Nudibranch (Pteraeolidia sp.) ムカデミノウミウシ (size 22cm)Both (Pteraeolidia semperi) and (Pter...

Bornella anguilla ゴシキユビウミウシBornella anguilla is a very colorful Nudibranch that can swim like an eel...

Streaked Chromodoris (Chromodoris strigata) シボリイロウミウシI think this is a Chromodoris strigata. If anyo...

A Sea Rose is an egg mass from a Nudibranch. The Spanish Dancer Nudibranch has eggs that look just l...

Festive Nudibranch (Hypselodoris festiva) アオウミウシThevFestive Nudibranch is a small colorful nudibranc...

Fried-egg Nudibranch (Phyllidia varicosa) タテヒダイボウミウシ – size 11cmThere are several similar spec...

Gloomy Nudibranch (Tambja morosa) アオスジリュウグウウミウシ (size 7cm)The gills look like a crown making this bl...

Oriental Nudibranch (Chromodoris orientalis) シロウミウシ also White spotted sea slug (size 4cm) An Orient...

Pustulose Nudibranch (Phyllidiella pustulosa) コイボウミウシ – size 6cm – Pimpled phyllidiellaI...

Colorful Hypselodoris (Hypselodoris infucata) シモフリイロウミウシ The Colorful Hypselodoris is a colorful nud...