Nudibranch

Nudibranchs are underwater snails without their shell.  They can be very small (maybe 1/4 inch), or a few inches in size.

California
Phillippines 2014
Bullock's Hypselodoris
Laguna Beach
Hopkins Rose
Phillippines 2014
Bullock's Hypselodoris
Laguna Beach
Hopkins Rose
California
San Diego Dorid
Laguna Beach
California
Spanish Shawl
Phillippines 2014
Beautiful Hypselodoris
California
Sea Lemon
Phillippines 2014
Elisabeth's Chromodoris
Laguna Beach
Spanish Shawl
Phillippines 2014
Elisabeth's Chromodoris
Laguna Beach
Hopkins Rose
Phillippines 2014
Chamberlin's Nembrotha
Bali 2023
Dark Margin Doriprimatica
Juvenile Robe Hem Hypselodoris
Butterfly Nudibranch
Fire Hypselodorid
Philippines 2023
Nudibranch
Dragon Nudibranch
Orange-margined Amina Nudibranch
IMG 2126 (Apr 13, 2014)

IMG 2126 (Apr 13, 2014)

IMG 2131 (Apr 13, 2014)

IMG 2131 (Apr 13, 2014)

IMG 2147 (Apr 13, 2014)

IMG 2147 (Apr 13, 2014)

Bullock's Hypselodoris (Nov 2, 2014)

Bullock's Hypselodoris (Nov 2, 2014)

Hopkins Rose (Feb 21, 2021)

Hopkins Rose (Feb 21, 2021)

Bullock's Hypselodoris (Nov 2, 2014)

Bullock's Hypselodoris (Nov 2, 2014)

Hopkins Rose (Feb 21, 2021)

Hopkins Rose (Feb 21, 2021)

2Y1A3428 (Feb 21, 2021)

2Y1A3428 (Feb 21, 2021)

2Y1A3432 (Feb 21, 2021)

2Y1A3432 (Feb 21, 2021)

San Diego Dorid (Mar 2, 2013)

San Diego Dorid (Mar 2, 2013)

2Y1A0741 (Jul 26, 2020)

2Y1A0741 (Jul 26, 2020)

This guy was maybe a half inch long.

Spanish Shawl (Mar 2, 2013)

Spanish Shawl (Mar 2, 2013)

Beautiful Hypselodoris (Nov 3, 2014)

Beautiful Hypselodoris (Nov 3, 2014)

The salmon colored ribbon behind the nudibranch is eggs it is laying

Sea Lemon (Mar 2, 2013)

Sea Lemon (Mar 2, 2013)

Elisabeth's Chromodoris (Oct 26, 2014)

Elisabeth's Chromodoris (Oct 26, 2014)

Spanish Shawl (Jul 26, 2020)

Spanish Shawl (Jul 26, 2020)

The Spanish Shawl is maybe an inch long

Elisabeth's Chromodoris (Oct 26, 2014)

Elisabeth's Chromodoris (Oct 26, 2014)

2Y1A2686 (Dec 20, 2020)

2Y1A2686 (Dec 20, 2020)

Hopkins Rose (Feb 21, 2021)

Hopkins Rose (Feb 21, 2021)

Chamberlin's Nembrotha (Oct 28, 2014)

Chamberlin's Nembrotha (Oct 28, 2014)

Dark Margin Doriprimatica (Oct 8, 2023)

Dark Margin Doriprimatica (Oct 8, 2023)

I'm not an expert on nudibranchs, but this seems to be the closest I can ID

Juvenile Robe Hem Hypselodoris (Oct 8, 2023)

Juvenile Robe Hem Hypselodoris (Oct 8, 2023)

The name is the closest match I could find.  I have not seen a collection of same type nudibranch on the same rock before

Butterfly Nudibranch (Oct 8, 2023)

Butterfly Nudibranch (Oct 8, 2023)

Or so the dive guide said

Fire Hypselodorid (Oct 8, 2023)

Fire Hypselodorid (Oct 8, 2023)

Nudibranch (Apr 30, 2023)

Nudibranch (Apr 30, 2023)

Philippines is home to very large number of nudibranchs,

Dragon Nudibranch (Apr 30, 2023)

Dragon Nudibranch (Apr 30, 2023)

Orange-margined Amina Nudibranch (May 2, 2023)

Orange-margined Amina Nudibranch (May 2, 2023)