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Observer

thiebaud

Date

November 25, 2018 03:44 PM PST

Place

Boom Islet (Google, OSM)

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What

Two Spotted Keyhole Limpet Fissurellidea bimaculata

Observer

lorri-gong

Date

November 25, 2015 03:00 PM PST

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What

Elk Kelp Pelagophycus porra

Observer

tomleeturner

Date

September 19, 2020 10:40 AM PDT

Photos / Sounds

Observer

shireen

Date

September 19, 2020

Description

It looks like a Macfarlands, but much lighter without the middle strip. The rhinophores and gills are much darker.

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What

Feather Boa Kelp Egregia menziesii

Observer

dwdaniels

Date

September 18, 2020 08:40 PM PDT

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What

Striped Polyclad Worm Eurylepta californica

Observer

dwdaniels

Date

September 13, 2020 02:45 PM PDT

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What

Sunburst Anemone Anthopleura sola

Observer

lorri-gong

Date

May 25, 2016 08:02 AM PDT

Photos / Sounds

What

Orange Sea Pen Ptilosarcus gurneyi

Observer

thiebaud

Date

September 8, 2020 09:58 PM PDT

Place

Three Tree (Google, OSM)

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What

Phoenix Aeolid Cuthona phoenix

Observer

anudibranchmom

Date

September 7, 2020 01:35 PM PDT

Description

Largest (~5 mm) and most orange of the group.

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What

White-lined Dirona Dirona albolineata

Observer

thiebaud

Date

September 4, 2020 08:11 PM PDT

Place

Three Tree (Google, OSM)

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What

Orange Sea Pen Ptilosarcus gurneyi

Observer

thiebaud

Date

September 4, 2020 08:17 PM PDT

Place

Three Tree (Google, OSM)

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What

Cockscomb Nudibranch Antiopella barbarensis

Observer

darrellsdives

Date

September 5, 2020 10:27 AM PDT

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What

Whitespotted Greenling Hexagrammos stelleri

Observer

thiebaud

Date

September 4, 2020 07:50 PM PDT

Place

Three Tree (Google, OSM)

Photos / Sounds

What

White-lined Dirona Dirona albolineata

Observer

thiebaud

Date

September 4, 2020 08:09 PM PDT

Place

Three Tree (Google, OSM)

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What

Laguna Beach Aeolid Diaphoreolis lagunae

Observer

zvakanaka

Date

July 14, 2018 07:15 AM PDT

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What

Monterey Doris Doris montereyensis

Observer

hermissenda

Date

September 2, 2020 09:48 AM PDT

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What

Stubby-frond Dendronotus Dendronotus subramosus

Observer

abbyt

Date

September 2, 2020 06:52 AM PDT

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What

Branched Dendronotus Dendronotus venustus

Observer

anudibranchmom

Date

August 30, 2020 09:04 AM PDT

Description

@jeffgoddard Is this a particularly lovely D. venustus or something else? Prominent white tips and proportionally stout rhinophores, no white line on foot. Dots were larger than normal for D. venustus and white, not yellow. About 15 mm Found by @seaslugin; here's her photo: https://www.inaturalist.org/observations/58060058.

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What

Hairy Chiton Mopalia ciliata

Observer

anudibranchmom

Date

August 30, 2020 07:55 AM PDT

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What

Salt-and-pepper Doris Aegires albopunctatus

Observer

anudibranchmom

Date

August 30, 2020 10:23 AM PDT

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What

Striped Nudibranch Armina californica

Observer

thiebaud

Date

August 27, 2020 09:07 PM PDT

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What

Striped Nudibranch Armina californica

Observer

thiebaud

Date

August 27, 2020 09:08 PM PDT

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What

White-lined Dirona Dirona albolineata

Observer

thiebaud

Date

August 27, 2020 09:10 PM PDT

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What

Northern Clingfish Gobiesox maeandricus

Observer

hermissenda

Date

July 4, 2020 12:29 PM PDT

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What

Genus Doto

Observer

marco_mazza

Date

July 4, 2020 01:36 PM PDT

Description

Unsure about exact species. Photographed a smaller one of these in the same area back in the spring of 2019. I was told it may be a variation of Doto form A of Goddard (1996)

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What

Cockerell's Dorid Limacia cockerelli

Observer

marco_mazza

Date

August 15, 2020 08:46 AM PDT

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What

Strawberry Anemone Corynactis californica

Observer

imlichentoday

Date

August 20, 2020 11:55 PM EDT

Description

La Jolla Canyon ~65ft

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What

Olive's Aeolid Anteaeolidiella oliviae

Observer

anudibranchmom

Date

August 20, 2020 05:47 AM PDT

Description

50 Shades of Olive's :-)

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What

Hopkins's Rose Nudibranch Okenia rosacea

Observer

anudibranchmom

Date

August 20, 2020 05:40 AM PDT

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What

Laguna Beach Aeolid Diaphoreolis lagunae

Observer

abbyt

Date

August 18, 2020 06:29 AM PDT

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What

Black-tipped Spiny Dorid Acanthodoris rhodoceras

Observer

abbyt

Date

August 17, 2020 07:07 AM PDT

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What

Egg-eating Nudibranch Favorinus japonicus

Observer

craigahoover

Date

July 15, 2012 01:03 PM PDT

Description

Favorinus japonicus with its egg mass (far lower left) was located on a Hexabranchus sanguineus egg mass at a depth of approximately 60 feet. Length was not measured but was estimated to be approximately 1-2 cm. Water temperature was 71 degrees F.

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What

Spanish Dancer Hexabranchus sanguineus

Observer

craigahoover

Date

July 15, 2012 01:37 PM PDT

Description

Hexabranchus sanguineus was located on reef at a depth of approximately 20 feet. Length was not measured. Water temperature was 71 degrees F.

Note that locals consider this to be the distinct species, Hexabranchus aureomarginatus Ostergaard, 1955 (http://seaslugsofhawaii.com/species/Hexabranchus-aureomarginatus-a.html).

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What

Red Algae Phylum Rhodophyta

Observer

hermissenda

Date

August 17, 2020 02:43 AM PDT

Photos / Sounds

Observer

hermissenda

Date

August 17, 2020 03:44 AM PDT

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Observer

darrellsdives

Date

August 15, 2020

Description

Found this about 15 feet deep, some surge at depth, surface watere calm, La Jolla lifeguard tower had water temp posted at 65 degrees, 10-15 visability.

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Observer

jpwilliams

Date

August 14, 2020 08:12 AM PDT

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What

Sea Clown Triopha Triopha catalinae

Observer

mjonuschat

Date

August 16, 2020 09:12 AM PDT

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What

Isopods Order Isopoda

Observer

tidepoolforest

Date

July 28, 2020 06:12 PM PDT

Description

Very tiny, looked like they were eating the inside of a sea gooseberry

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What

Sponges Phylum Porifera

Observer

imlichentoday

Date

August 14, 2020 08:00 AM PDT

Description

La Jolla Cove Kelp Forest, ~50ft

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Observer

imlichentoday

Date

August 14, 2020 08:00 AM PDT

Description

La Jolla Cove Kelp Forest, ~50ft

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What

Ida's Mitre Atrimitra idae

Date

May 28, 2020 11:28 AM PDT

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Date

May 15, 2020 08:57 AM PDT

Description

35' depth
First time seen with eggs!

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What

Hopkins's Rose Nudibranch Okenia rosacea

Date

August 14, 2020 01:55 PM PDT

Description

Found in 9 fsw.

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Observer

imlichentoday

Date

August 14, 2020 08:00 AM PDT

Description

La Jolla Cove Kelp Forest, ~50ft

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Observer

thiebaud

Date

January 19, 2019 05:45 PM PST

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What

White-lined Dirona Dirona albolineata

Observer

thiebaud

Date

November 24, 2018 04:55 PM PST

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Observer

thiebaud

Date

November 24, 2018 05:12 PM PST

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What

Candy-striped Shrimp Lebbeus grandimanus

Observer

thiebaud

Date

November 24, 2018 05:17 PM PST

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Observer

thiebaud

Date

November 24, 2018 05:22 PM PST

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What

Kincaid Coastal Shrimp Heptacarpus kincaidi

Observer

thiebaud

Date

November 24, 2018 05:25 PM PST

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Observer

thiebaud

Date

November 23, 2018 05:17 PM PST

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Observer

thiebaud

Date

October 6, 2018 11:43 AM PDT

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Observer

thiebaud

Date

December 1, 2019 11:39 AM PST

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Observer

thiebaud

Date

January 20, 2019 05:52 PM PST

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Observer

thiebaud

Date

November 26, 2018 12:27 PM PST

Place

Agnew Pass (Google, OSM)

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Observer

thiebaud

Date

June 22, 2018 08:20 PM PDT

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Observer

thiebaud

Date

June 23, 2018 11:32 AM PDT

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thiebaud

Date

June 23, 2018 11:42 AM PDT

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Observer

thiebaud

Date

June 23, 2018 11:46 AM PDT

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Observer

thiebaud

Date

June 24, 2018 11:11 AM PDT

Photos / Sounds

What

White-lined Dirona Dirona albolineata

Observer

thiebaud

Date

November 1, 2019 12:02 PM PDT

Place

Redondo (Google, OSM)

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What

Penpoint Gunnel Apodichthys flavidus

Observer

thiebaud

Date

November 1, 2019 12:21 PM PDT

Place

Redondo (Google, OSM)

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What

Nanaimo Horned Dorid Acanthodoris nanaimoensis

Observer

thiebaud

Date

November 1, 2019 12:27 PM PDT

Place

Redondo (Google, OSM)

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What

White-lined Dirona Dirona albolineata

Observer

thiebaud

Date

October 4, 2019 12:11 PM PDT

Place

Redondo (Google, OSM)

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Observer

thiebaud

Date

August 30, 2019 06:18 PM PDT

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What

Plumose Anemones Genus Metridium

Observer

thiebaud

Date

September 1, 2019 10:45 AM PDT

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What

Puget Sound King Crab Lopholithodes mandtii

Observer

thiebaud

Date

September 1, 2019 10:48 AM PDT

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What

Sunflower Sea Star Pycnopodia helianthoides

Observer

thiebaud

Date

September 1, 2019 11:00 AM PDT

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What

Bivalves Class Bivalvia

Observer

thiebaud

Date

September 1, 2019 01:18 PM PDT

Place

PBC (Google, OSM)

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Observer

thiebaud

Date

September 2, 2019 09:16 AM PDT

Place

PBC (Google, OSM)

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What

Mcdonald's Dorid Limacia mcdonaldi

Observer

thiebaud

Date

August 13, 2019 12:34 PM PDT

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What

Opalescent Nudibranch Hermissenda opalescens

Observer

thiebaud

Date

August 13, 2019 12:54 PM PDT

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What

Black-spot Porostome Dendrodoris nigromaculata

Observer

thiebaud

Date

August 13, 2019 04:53 PM PDT

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What

Porter's Chromodorid Felimare porterae

Observer

thiebaud

Date

August 15, 2019 08:49 AM PDT

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Observer

thiebaud

Date

August 15, 2019 08:59 AM PDT

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Observer

thiebaud

Date

August 15, 2019 11:01 AM PDT

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What

Garibaldi Hypsypops rubicundus

Observer

thiebaud

Date

August 16, 2019 09:12 AM PDT

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What

Western Spiny Brittle Star Ophiothrix spiculata

Observer

thiebaud

Date

August 16, 2019 11:40 AM PDT

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What

Yellow Umbrella Slug Tylodina fungina

Observer

thiebaud

Date

August 14, 2019 08:35 AM PDT

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What

California Sea Lion Zalophus californianus

Observer

thiebaud

Date

August 14, 2019 11:01 AM PDT

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What

California Sea Lion Zalophus californianus

Observer

thiebaud

Date

August 14, 2019 02:12 PM PDT

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What

Blue-banded Goby Lythrypnus dalli

Observer

thiebaud

Date

August 17, 2019 08:49 AM PDT

Place

Santa Cruz (Google, OSM)

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What

Rose Sun Star Crossaster papposus

Observer

thiebaud

Date

June 22, 2019 10:38 AM PDT

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What

Longfin Gunnel Pholis clemensi

Observer

thiebaud

Date

May 22, 2019 12:06 PM PDT

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Observer

abbyt

Date

July 22, 2020 08:03 AM PDT

Description

No idea, really. Looked like a 3-way cross between a limpet, a snail and a nudibranch. About 1", low intertidal.

Photos / Sounds

What

White-and-Orange-Tipped Nudibranch Antiopella fusca

Observer

anudibranchmom

Date

August 5, 2020 06:39 AM PDT

Description

Another one! Found by @seaslugin on red algae. About 10 mm, a less-battered individual than the one I saw two days ago.

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What

White-and-Orange-Tipped Nudibranch Antiopella fusca

Observer

anudibranchmom

Date

August 3, 2020 05:23 AM PDT

Description

Floater! Lucky day.

It's pretty darn wonderful that in addition to >20 of the 'usual suspects,' this area is simultaneously showing this typically more northern nudibranch species AND a few typically southern species, like the Babakina festiva and Cadlina sparsa also seen this morning.

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What

Colorful Dirona Dirona picta

Observer

anudibranchmom

Date

August 3, 2020 05:09 AM PDT

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What

Single-stalk Aeolis Babakina festiva

Observer

anudibranchmom

Date

August 3, 2020 06:04 AM PDT

Description

Large one, about 35 mm. Regrowing an oral tentacle, like the one seen during the last tide cycle in this location.

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What

Red Turban Snail Pomaulax gibberosus

Observer

kestrel

Date

August 3, 2020 06:40 AM PDT

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What

Green Sea Urchin Strongylocentrotus droebachiensis

Observer

cbelak

Date

July 23, 2020 11:42 AM PDT

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What

Sea Lemon Peltodoris nobilis

Observer

kierancx

Date

July 30, 2020 02:31 AM HST

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Opalescent Nudibranch Hermissenda opalescens

Observer

chilipossum

Date

July 25, 2020 09:19 PM PDT

Description

With H. crassicornis in lower right

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What

Hilton's Aeolid Phidiana hiltoni

Observer

craigahoover

Date

March 28, 2013 03:09 PM PDT

Description

Phidiana hiltoni was located on reef at a depth of 50 feet. Length was not measured. Water temperature was 51 degrees F.

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Observer

craigahoover

Date

August 13, 2012 10:59 AM PDT

Description

Peltodoris lentiginosa was located on reef at a depth of 50 feet. Lengths were not measured. Water temperature was 45 degrees F.

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What

Hopkins's Rose Nudibranch Okenia rosacea

Observer

craigahoover

Date

July 24, 2020 01:23 PM PDT

Description

Okenia rosacea with eggs was located underneath a pebble on reef at a depth of 20 feet. Lengths were 1 cm. Water temperature was 64 degrees F.

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What

Cockerell's Dorid Limacia cockerelli

Observer

anudibranchmom

Date

July 23, 2020 05:55 AM PDT

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What

White-spotted Dorid Doriopsilla fulva

Observer

anudibranchmom

Date

July 23, 2020 06:04 AM PDT

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What

Olive's Aeolid Anteaeolidiella oliviae

Observer

anudibranchmom

Date

July 23, 2020 06:26 AM PDT