Marine Geology

Upside Down Cuttlefish Reflection Over Reef in beside a volcanic reef overhang near Cairns

Upside Down Cuttlefish Reflection Over Reef

Nikon D300 · beside a volcanic reef overhang near Cairns

 Hawksbill Turtle Feeding on Volcanic Reef Cebu in beside a volcanic reef overhang near Cebu

Hawksbill Turtle Feeding on Volcanic Reef Cebu

Olympus OM-2 · beside a volcanic reef overhang near Cebu

 Giant Cuttlefish Colors Reef Crevice Dawn in beside a reef crevice under clear water near Denpasar

Giant Cuttlefish Colors Reef Crevice Dawn

Hasselblad X2D 100C · beside a reef crevice under clear water near Denpasar

 Cuttlefish Flashing Colors on Volcanic Reef in beside a volcanic reef overhang near Cebu

Cuttlefish Flashing Colors on Volcanic Reef

Leica MP · beside a volcanic reef overhang near Cebu

 Giant Cuttlefish Colors Reef Crevice Cebu in beside a reef crevice under clear water near Cebu

Giant Cuttlefish Colors Reef Crevice Cebu

iPhone 16 Pro · beside a reef crevice under clear water near Cebu

 Cuttlefish Hunts Shrimp on Zanzibar Volcanic Reef in beside a volcanic reef overhang near Zanzibar

Cuttlefish Hunts Shrimp on Zanzibar Volcanic Reef

Fujifilm X-T2 · beside a volcanic reef overhang near Zanzibar

 Pharaoh Cuttlefish Rippling Colors Under Reef in beneath a reef ledge in tropical shallows near Stone Town

Pharaoh Cuttlefish Rippling Colors Under Reef

Leica IIIb · beneath a reef ledge in tropical shallows near Stone Town

 Coconut Crab Descending Cold Reef Tide Pool in above a cold-water reef edge in Beach, Essaouira

Coconut Crab Descending Cold Reef Tide Pool

iPhone 14 Pro Max · above a cold-water reef edge in Beach, Essaouira

 Sea Turtle Resting in Sicilian Underwater Cave in in Sicily

Sea Turtle Resting in Sicilian Underwater Cave

Sony a7S III · in Sicily

 Cuttlefish Under Volcanic Arch in Monsoon Light in along a coral wall with blue water beyond near Stone Town

Cuttlefish Under Volcanic Arch in Monsoon Light

Panasonic Lumix DC-S5 · along a coral wall with blue water beyond near Stone Town

 Loggerhead Turtle Silhouette Dalmatian Drop-off in beside a volcanic drop-off in Dalmatia

Loggerhead Turtle Silhouette Dalmatian Drop-off

Leica III · beside a volcanic drop-off in Dalmatia

 Octopus Squeezing Between Rocks in Twilight Tide Pool in beside a tide-cut rock ledge under clear water in Fukuoka

Octopus Squeezing Between Rocks in Twilight Tide Pool

Fujifilm X100VI · beside a tide-cut rock ledge under clear water in Fukuoka

 Giant Pacific Octopus in Havana Den in near Callejon de Hamel, Havana

Giant Pacific Octopus in Havana Den

Fujifilm X-T4 · near Callejon de Hamel, Havana

 Giant Pacific Octopus Hunting Near Volcanic Drop-Off in beside a volcanic drop-off near Salvador

Giant Pacific Octopus Hunting Near Volcanic Drop-Off

iPhone 8 · beside a volcanic drop-off near Salvador

 Cuttlefish Flashing Colors on Volcanic Reef in beside a volcanic reef overhang near Cairns

Cuttlefish Flashing Colors on Volcanic Reef

Nikon D80 · beside a volcanic reef overhang near Cairns

 Octopus Squeezing Between Oregon Reef Rocks in above a cold-water reef edge in Oregon

Octopus Squeezing Between Oregon Reef Rocks

Hasselblad 907X · above a cold-water reef edge in Oregon

 Blue-ringed Octopus in Monsoon Tide Pool Near Mumbai in through kelp fronds beside a rocky shelf near Bandra, Mumbai

Blue-ringed Octopus in Monsoon Tide Pool Near Mumbai

Canon EOS 300D · through kelp fronds beside a rocky shelf near Bandra, Mumbai

 Octopus Hunting Crabs on Cebu Coral Rubble in along a coral wall with blue water beyond near Cebu

Octopus Hunting Crabs on Cebu Coral Rubble

Leica M6 · along a coral wall with blue water beyond near Cebu

 Colorful Cuttlefish Under Reef Ledge Cebu in beneath a reef ledge in tropical shallows near Cebu

Colorful Cuttlefish Under Reef Ledge Cebu

Leica I · beneath a reef ledge in tropical shallows near Cebu

 Octopus Texture Shift Against Kelp in Croatia in beside a tide-cut rock ledge under clear water in Croatia

Octopus Texture Shift Against Kelp in Croatia

Canon EOS R5 Mark II · beside a tide-cut rock ledge under clear water in Croatia

 Cuttlefish Through Blue Hole Dawn Cebu in beside a volcanic reef overhang near Cebu

Cuttlefish Through Blue Hole Dawn Cebu

Samsung Galaxy S22 · beside a volcanic reef overhang near Cebu

 Nautilus Drifting Past Volcanic Reef Zanzibar in beside a volcanic reef overhang near Zanzibar

Nautilus Drifting Past Volcanic Reef Zanzibar

iPhone SE (2022) · beside a volcanic reef overhang near Zanzibar

 Octopus Shifting Colors on Volcanic Reef in beside a volcanic reef overhang near Stone Town

Octopus Shifting Colors on Volcanic Reef

Lubitel 166 universal · beside a volcanic reef overhang near Stone Town

 Giant Cuttlefish Displaying Colors on Coral Wall in along a coral wall with blue water beyond near Belize City

Giant Cuttlefish Displaying Colors on Coral Wall

Canon EOS 5D Mark III · along a coral wall with blue water beyond near Belize City

 Cuttlefish Through Volcanic Arch in Cobalt Light in beside a reef crevice under clear water near Denpasar

Cuttlefish Through Volcanic Arch in Cobalt Light

Nikon D4 · beside a reef crevice under clear water near Denpasar

 Giant Cuttlefish Colors on Belize Volcanic Reef in beside a volcanic reef overhang near Belize City

Giant Cuttlefish Colors on Belize Volcanic Reef

Nikon FM10 · beside a volcanic reef overhang near Belize City

 Blue-ringed Octopus on Zanzibar Reef Shelf in beneath a reef ledge in tropical shallows near Zanzibar

Blue-ringed Octopus on Zanzibar Reef Shelf

Fujifilm X-S10 · beneath a reef ledge in tropical shallows near Zanzibar

 Hawksbill Turtle Feeding on Reef Wall Stone Town in beside a reef crevice under clear water near Stone Town

Hawksbill Turtle Feeding on Reef Wall Stone Town

iPhone 11 Pro Max · beside a reef crevice under clear water near Stone Town

 Fossilized Reef Silhouette in Desert Canyon in beside a reef crevice under clear water near Cairns

Fossilized Reef Silhouette in Desert Canyon

Canon EOS 7D Mark II · beside a reef crevice under clear water near Cairns

 Octopus Squeezing Between Cold Reef Rocks in above a cold-water reef edge near Sydney

Octopus Squeezing Between Cold Reef Rocks

Samsung Galaxy S23 · above a cold-water reef edge near Sydney

 Loggerhead Turtle Near Split Volcanic Drop-off in beside a volcanic drop-off near Split

Loggerhead Turtle Near Split Volcanic Drop-off

Canon EOS R6 Mark III · beside a volcanic drop-off near Split

 Pharaoh Cuttlefish Rippling Colors on Volcanic Reef in beside a volcanic reef overhang near Denpasar

Pharaoh Cuttlefish Rippling Colors on Volcanic Reef

iPhone 16 Pro Max · beside a volcanic reef overhang near Denpasar

 Pharaoh Cuttlefish Rippling Colors Over Belize Reef in beside a volcanic reef overhang near Belize City

Pharaoh Cuttlefish Rippling Colors Over Belize Reef

Panasonic Lumix DMC-G1 · beside a volcanic reef overhang near Belize City

 Spider Crab Column Near Volcanic Drop Off Naples in beside a volcanic drop-off near Chiaia, Naples

Spider Crab Column Near Volcanic Drop Off Naples

Fujifilm X-T3 · beside a volcanic drop-off near Chiaia, Naples

 Spider Crab Column Near Lisbon Volcanic Drop-off in beside a volcanic drop-off near Cais do Sodre, Lisbon

Spider Crab Column Near Lisbon Volcanic Drop-off

Olympus OM-10 · beside a volcanic drop-off near Cais do Sodre, Lisbon

 Cuttlefish Through Volcanic Arch at Dawn in beneath a reef ledge in tropical shallows near Denpasar

Cuttlefish Through Volcanic Arch at Dawn

iPhone 13 · beneath a reef ledge in tropical shallows near Denpasar

 Giant Clam Mantle Under Reef Ledge Cebu in beneath a reef ledge in tropical shallows near Cebu

Giant Clam Mantle Under Reef Ledge Cebu

Fujifilm X-E4 · beneath a reef ledge in tropical shallows near Cebu

 Iridescent Giant Clam Mantle on Stone Town Reef in beside a reef crevice under clear water near Stone Town

Iridescent Giant Clam Mantle on Stone Town Reef

Mamiya RZ67 · beside a reef crevice under clear water near Stone Town

 Day Octopus Hunting Crabs on Coral Rubble in along a coral wall with blue water beyond near Denpasar

Day Octopus Hunting Crabs on Coral Rubble

Nikon Z f · along a coral wall with blue water beyond near Denpasar

 Sea Cave Refracted Light Split Foothills in from a ridge above layered foothills near Split

Sea Cave Refracted Light Split Foothills

Nikon FE2 · from a ridge above layered foothills near Split