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Mollusks

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species: 85000

Soft-bodied mollusks are the second-largest group of animals on the planet, after the phylum Arthropoda, with nearly 100,000 described species worldwide. These invertebrates encompass an incredibly diverse group of creatures. Characteristic of their hard exoskeleton, some mollusks with distinct shell coverings like snails, clams, oysters, and scallops are apparent. Still, others are not, as they lack a visible shell like the octopus, squid, and sea slug. Although mollusks make up 23% of all marine organisms, many of them have adapted to living in freshwater and on land. Found in nearly every body of water on earth, both fresh and salt, mollusks range in size from the world’s smallest snail in Borneo to the giant squid found in the deepest parts of the ocean.

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Animals in this category

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species: 300

Alamy/Reinhard Dirscherl

Octopus
Divesites
2.1k
Sightings
129k

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species: 300

Shutterstock_DiveIvanov

Squid
Divesites
251
Sightings
11k

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species: 120

SSI-Peter-Schinck

Cuttlefish
Divesites
572
Sightings
35k

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species: 3000

SSI-Peter-Schinck

Nudibranch
Divesites
2.2k
Sightings
103k

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species: 20000

Shutterstock-Damsea

Mussels
 
 

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species: 80000

Shutterstock-Magdalena Teterdynko

Freshwater Snails
 
 

Dive sites with this animal

One2Dive, 4907 ZK Oosterhout

Kerkweg, Den Osse (★3.9)

Dive site Kerkweg in Den Osse is one of the most famous dive sites in Zeeland. Here you can dive from the jetty on oyster beds, an artificial reef of reefballs and many other hard substrate that is nicely overgrown. The maximum depth is about 30 metres, but you will find most life in the shallow water.
DivePoint Hudhuran Fushi, 20193 Male

Okobe Thila (★4.3)

This amazing reef are 3 blocks. The biggest begins in the south between 80-100m long and it's full of corals, it would be nice we can start here. In the east we have another wonderful block a bit similar to east block Maya Thila covert full with corals. In the north is the smallest block. AOW or higher
Neil D. (#3039000)

Frederiksted Pier (★4.5)

One of the top macro dives anywhere! Scattered ruins and columns are coral encrusted and provide habitat for many types of shallow sea life. The pier is 1526ft/465m long so lots to discover with a gradual westerly decline. Perfect for snorkeling & non-certified divers too.
Stollis Centro de Buceo, 17212 Tamariu / Girona

Badia de Tamariu (★4.2)

The boat jetty and the entrance to this house reef are only 30 m from the base. The most beautiful part of the bay is reserved for divers and swimmers and secured by a buoy line. This beautiful house reef offers something for everyone down to a maximum depth of 15 m.
NASIM CHARTER SRL, 00183 Roma

Canaloni (★3.7)

One of the most varied dives that can be carried out in the vicinity of the tourist port of Riva di Traiano, with a minimum depth of 10 meters and a maximum of about 27 meters, characterized by flat sand and rocks and rock tongues (canaloni) that are colonized by yellow gorgonians and red coral.
Ducks Diving Superior, Marsa Alam

Marsa Gabal el Rosas (Ducks center) (★4.5)

Narrow entrance with a sandy bottom. Nice coral. A good dive site to make drift dives from the zodiac on the North Anemone City. Good for experienced and beginner divers.
OCEAN SPORTS, 00979 CAROLINA

Crashboat Wall and Anchor (★4.4)

This site is the remnant of an old pier. It is a shallow site, no more than 30-35 feet of depth with a sandy bottom. The wreckage on the bottom provides an artificial reef for a large variety of marine life. Visibility ranges between 10 feet (if it has been raining) to over 50 or 60 feet.
CNM DIVE, 13211-698 JUNDIAI

Ilha do Meio (★4.5)

Sheltered and quiet place with dives up to 15 m depth. This island, which lies between the Sea of Outside and the Sea of Inside, is very rich in marine life.
Buborek Dc, 1226 Budapest

Peltastis (Wreck) (★4.5)

The Peltastis wreck is located between Šilo and the bay of Klimno, a hundred meters from the northeastern coast of the island, at depths of 12 to 32 meters.
YoBuceo - Bubbles, 28043 Madrid

Cueva de la Virgen (★4.5)

With an entrance located at a depth of only 15m, this rock cavity allows access to a vault open to the outside that allows the entrance of natural light. A freshwater spring flows out of the cave, allowing you to experience the visual effect of the halocline.
NASIM CHARTER SRL, 00183 Roma

Pirgo (★4.1)

The Pierucci Wall (PIRGO) off Civitavecchia is a wall dive with two plateaus at 8–10 m and 16–25 m connected by a wall of about 1000 m. Its ideal for courses and specialities.
Sotamar Diving Center, 17488 Cadaqués

Massa ďOr (★4.6)

This is one of the most splendid diving spots, with the most abundant underwater life in the area. Depths from 5m to 30m, ideally between 15m and 25m. All the fish of the Mediterranean are represented here, in the midst of a colourful environment.
CENTRE IMMERSIO CAP DE CREUS, 17490 LLANÇÀ

Bau de la Punta del Molí (★4.3)

Seamount located in the park's partial protection zone. From depths of 5 to over 40 meters, it's a versatile dive rich in marine life. The imposing topography and abundance of species make it one of the best on Cap de Creus.
CENTRE IMMERSIO CAP DE CREUS, 17490 LLANÇÀ

S'Encalladora (★4.3)

Island of the Natural Park of Cap de Creus with southern zone included in the partial protection. The dive takes place between two rock formations, from 12 to more than 40m. Exposed to currents and suitable only for experienced divers. The north side is protected as an integral reserve.
GooDiving, 38639 San Miguel de Abona

Las Eras (★4.3)

On the East coast, this dive site it is suitable 365 days a year thanks to the breakwater wall that protects the entrance. Tidal changes can cause the formation of currents and undertow along the wall, This site is not to be underestimated.
Maldives Passions, 08090 Maafushi

Kandooma Thila (★4.5)

This “Thila” is in the middle of the kandooma kandu. From 2000 to 2009 this dive site was ranked world 10th place of shark diving. The top of the reef is full of hard corals. The sides of the “Thila” are covered with soft corals. The currents are strong here and highly recommend for Advanced and Nitrox divers.
Maldives Passions, 08090 Maafushi

Kuda Giri Wreck (★4.4)

The Kuda Giri is a very pretty, very well-established giri (pinnacle) with lots of small caves and overhangs, this giri is also covered with beautiful hard corals on the east side.
FEET FIRST DIVE PTY LTD, 2315 NELSON BAY

Pipeline (★3.8)

A favourite macro critter diving site; especially for NIGHT divers. Cruising across the sloping seagrass & soft coral beds to find the pipe, which lies in between several coral & sponge encrusted mooring blocks. Easy navigation with tons of macro life. Max depth 16-18m. Best dived on high slack tide.
Peter S. (#417559)

Kuda Rah Thila (★4.6)

A stunning underwater pinnacle just minutes away from the island of Kuda Rah. This dive site has been declared a protected marine area. The dive site is better for Advanced certified divers and those who are experienced with a bit of current. Nitrox is recommended.
YoBuceo - Bubbles, 28043 Madrid

Harrier - Pecios CBA (Wreck) (★4.4)

The wrecks of the CBA constitute a group of contemporary remains, created by the military divers of the Navy Diving Center, which are located in a sandy environment, making them the perfect refuge for the local aquatic life. You can visit three wrecks: The Tugboat, The Harrier, and The Helicopter.
DIVING CENTER SERVICE NEREO SUB, 17028 SPOTORNO

Capo Noli (★3.9)

Sand esplanade that descends to a depth of 40 m interspersed with rocks and boulders that descend towards the bottom where there is scattered debris. After an initial gradual slope, the esplanade descends steeply to the bottom, almost forming a wall of sand.
PLONGEQUILIBRE, 75008 PARIS

Marsa Shagra House Reef (★4.4)

Marsa Shagara is a bay with an easy sand bottom entrance that leads to South or North reef dives. The depth starts at 1m and drops to 40m + outside the bay. It is one of the most pristine house reef dives in the south. This dive is great for entry level and experienced divers.
DIVERSION, 38686 Alcala

Abades Bay (★4.5)

Just about 15 kilometers south of the airport sits this marine protected area where you can dive all year round because it is protected by the Trade Winds.
Scuba Alegre Dive Center, 17470 Sant Pere Pescador

Cala Ferriol (★4.3)

Pinnacle or wall dive (if the shallow depth is sought). The pinnacle starts from the surface and descends to 26 meters. At the pinnacle is a cave which can be found crustaceans, nudibranchs and scorpionfish.
Scuba World Arnhem, 6811 CG Arnhem

Zoetersbout (★3.6)

Zoetersbout is an accessible dive site in the Oosterschelde, there is virtually no current here, but it can be felt at the head of the dike. You dive along an overgrown dike wall with eels, lobsters and galatheak lobsters as permanent residents. Dive between the weeds and discover the underwater life here.