guillermoalvarez's Identifications

Photos / Sounds

What

Sea Urchins (Class Echinoidea)

Observer

ester

Date

November 3, 2020 02:00 PM GMT

Place

Banc d'Arguin National Park, Dakhlet Nouadhibou, Nouadhibou, Mauritania (Google, OSM)
Heliophora orbiculus - Photo (c) ester serrao, some rights reserved (CC BY), uploaded by ester serrao
guillermoalvarez's ID: Heliophora orbiculus, a member of Sea Biscuits (Order Clypeasteroida)
Added on December 09, 2025
Leading

Photos / Sounds

What

Dwarf Brittle Star (Amphipholis squamata)

Observer

andreu

Date

November 26, 2025 04:21 PM CET

Place

Spain (Google, OSM)
Dwarf Brittle Star - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Dwarf Brittle Star (Amphipholis squamata)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Black sea urchin (Arbacia lixula)

Observer

marga

Date

December 7, 2025 10:40 PM CET

Place

Spain (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Supporting

Photos / Sounds

2 photos

What

Black sea urchin (Arbacia lixula)

Observer

marga

Date

December 7, 2025 10:40 PM CET

Place

Spain (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Supporting

Photos / Sounds

2 photos

What

Black sea urchin (Arbacia lixula)

Observer

marga

Date

December 7, 2025 10:40 PM CET

Place

Spain (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Supporting

Photos / Sounds

2 photos

What

Black sea urchin (Arbacia lixula)

Observer

marga

Date

December 7, 2025 10:40 PM CET

Place

Spain (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Black sea urchin (Arbacia lixula)

Observer

marga

Date

December 7, 2025 10:40 PM CET

Place

Spain (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Black sea urchin (Arbacia lixula)

Observer

marga

Date

December 7, 2025 10:40 PM CET

Place

Spain (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Black sea urchin (Arbacia lixula)

Observer

marga

Date

December 7, 2025 10:40 PM CET

Place

Spain (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Black sea urchin (Arbacia lixula)

Observer

marga

Date

December 7, 2025 10:40 PM CET

Place

Spain (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Genus Holothuria

Observer

borisweitzmann

Date

December 7, 2025 11:16 AM CET

Place

covA FUMADA (Google, OSM)
Holothuria mammata - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC), uploaded by xavi salvador costa
guillermoalvarez's ID: Holothuria mammata, a member of Sea Cucumbers (Class Holothuroidea)
Added on December 09, 2025
Leading

Photos / Sounds

What

Sea Urchins (Class Echinoidea)

Observer

borisweitzmann

Date

December 7, 2025 11:06 AM CET

Place

covA FUMADA (Google, OSM)
Black Sea Urchin - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Black sea urchin (Arbacia lixula)
Added on December 09, 2025
Leading

Photos / Sounds

What

Genus Asparagopsis

Observer

bertinhaco

Date

December 7, 2025 11:34 AM CET

Place

Tarragona, España (Google, OSM)
Asparagopsis - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Genus Asparagopsis, a member of Florideophycean Algae (Class Florideophyceae)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Genus Mesophyllum

Observer

joaquibote

Date

September 14, 2025 10:31 AM CEST

Place

17300 Blanes, Girona, España (Google, OSM)
Mesophyllum - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Genus Mesophyllum, a member of Coralline Algae (Family Lithophyllaceae)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Wrinkled Sea Mats (Genus Didemnum)

Observer

yespi

Date

December 7, 2025 11:28 AM CET

Place

Cova Fumada, Cap Morfeu, Roses, Girona, España (Google, OSM)
Wrinkled Sea Mats - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Wrinkled Sea Mats (Genus Didemnum)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Genus Peyssonnelia

Observer

yespi

Date

December 7, 2025 11:29 AM CET

Place

Cova Fumada, Cap Morfeu, Roses, Girona, España (Google, OSM)
Peyssonnelia - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Genus Peyssonnelia, a member of Florideophycean Algae (Class Florideophyceae)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Genus Mesophyllum

Observer

yespi

Date

December 7, 2025 11:29 AM CET

Place

Cova Fumada, Cap Morfeu, Roses, Girona, España (Google, OSM)
Mesophyllum - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Genus Mesophyllum, a member of Coralline Algae (Family Lithophyllaceae)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Red encrusting sponge (Crambe crambe)

Observer

yespi

Date

December 7, 2025 11:29 AM CET

Place

Cova Fumada, Cap Morfeu, Roses, Girona, España (Google, OSM)
Red Encrusting Sponge - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Red encrusting sponge (Crambe crambe)
Added on December 09, 2025
Supporting

Photos / Sounds

What

white gorgonian (Eunicella singularis)

Observer

yespi

Date

December 7, 2025 11:32 AM CET

Place

Cova Fumada, Cap Morfeu, Roses, Girona, España (Google, OSM)
White Gorgonian - Photo (c) David Marco, some rights reserved (CC BY-NC), uploaded by David Marco
guillermoalvarez's ID: white gorgonian (Eunicella singularis)
Added on December 09, 2025
Supporting

Photos / Sounds

What

Hydrozoans (Class Hydrozoa)

Observer

patriciabesem

Date

December 7, 2025 07:18 PM CET

Place

Cova Fumada (Google, OSM)
Knob-tipped Hydroids - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Knob-tipped hydroids (Genus Eudendrium)
Added on December 08, 2025
Leading

Photos / Sounds

What

Hydrozoans (Class Hydrozoa)

Observer

patriciabesem

Date

December 7, 2025 07:18 PM CET

Place

Cova Fumada (Google, OSM)
Knob-tipped Hydroids - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Knob-tipped hydroids (Genus Eudendrium)
Added on December 08, 2025
Leading

Photos / Sounds

What

Red encrusting sponge (Crambe crambe)

Observer

patriciabesem

Date

December 7, 2025 07:51 PM CET

Place

Cova Fumada (Google, OSM)
Red Encrusting Sponge - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Red encrusting sponge (Crambe crambe)
Added on December 08, 2025
Supporting

Photos / Sounds

What

Stylocidaris affinis

Observer

asalva1

Date

August 6, 2016 10:09 AM CEST

Place

BM-Blanes (Google, OSM)
Stylocidaris affinis - Photo (c) Guillermo Alvarez Lerma, some rights reserved (CC BY-NC), uploaded by Guillermo Alvarez Lerma
guillermoalvarez's ID: Stylocidaris affinis, a member of Pencil Urchins (Order Cidaroida)
Added on December 08, 2025
Supporting

Photos / Sounds

What

Spiny Fan Mussel (Pinna rudis)

Observer

xavierlln

Date

December 7, 2025 01:06 PM CET

Place

Spain (Google, OSM)
Spiny Fan Mussel - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Spiny Fan Mussel (Pinna rudis)
Added on December 08, 2025
Supporting

Photos / Sounds

3 photos

What

Atlantic Purple Sea Urchin (Paracentrotus lividus)

Observer

oscarcg31

Date

December 7, 2025 11:04 AM CET

Place

Girona, España (Google, OSM)
Atlantic Purple Sea Urchin - Photo (c) Miquel Pontes, some rights reserved (CC BY-NC-SA), uploaded by Miquel Pontes
guillermoalvarez's ID: Atlantic Purple Sea Urchin (Paracentrotus lividus)
Added on December 08, 2025
Improving

Photos / Sounds

What

Atlantic Purple Sea Urchin (Paracentrotus lividus)

Observer

oscarcg31

Date

December 7, 2025 11:04 AM CET

Place

Girona, España (Google, OSM)
Atlantic Purple Sea Urchin - Photo (c) Miquel Pontes, some rights reserved (CC BY-NC-SA), uploaded by Miquel Pontes
guillermoalvarez's ID: Atlantic Purple Sea Urchin (Paracentrotus lividus)
Added on December 08, 2025
Supporting

Photos / Sounds

2 photos

What

white gorgonian (Eunicella singularis)

Observer

oscarcg31

Date

December 7, 2025 11:05 AM CET

Place

Girona, España (Google, OSM)
White Gorgonian - Photo (c) David Marco, some rights reserved (CC BY-NC), uploaded by David Marco
guillermoalvarez's ID: white gorgonian (Eunicella singularis)
Added on December 08, 2025
Supporting

Photos / Sounds

What

Red-spotted Horseshoe (Protula tubularia)

Observer

oscarcg31

Date

December 7, 2025 11:06 AM CET

Place

Girona, España (Google, OSM)
Red-spotted Horseshoe - Photo (c) Bernat Garrigós, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Red-spotted Horseshoe (Protula tubularia)
Added on December 08, 2025
Supporting

Photos / Sounds

What

Basque Beret (Codium bursa)

Observer

oscarcg31

Date

December 7, 2025 11:07 AM CET

Place

Girona, España (Google, OSM)
Basque Beret - Photo (c) xavi salvador costa, some rights reserved (CC BY-NC)
guillermoalvarez's ID: Basque Beret (Codium bursa)
Added on December 08, 2025
Supporting

Photos / Sounds

2 photos

What

snakelocks anemone (Anemonia viridis)

Observer

oscarcg31

Date

December 7, 2025 11:07 AM CET

Place

Girona, España (Google, OSM)
Snakelocks Anemone - Photo (c) Edu, some rights reserved (CC BY-NC-SA), uploaded by Edu Alcaniz
guillermoalvarez's ID: snakelocks anemone (Anemonia viridis)
Added on December 08, 2025
Supporting

Stats

  • 17681
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