Chromatophores

Dragonfly Eye Reflects Blue Light in above a glacial stream in Cyprus

Dragonfly Eye Reflects Blue Light

iPhone 15 Plus · above a glacial stream in Cyprus

Hermit Crab in Blue Tide Pool Catalonia in along a seagrass channel near the coast in Catalonia

Hermit Crab in Blue Tide Pool Catalonia

Canon EOS R7 · along a seagrass channel near the coast in Catalonia

Red Cabbage Veins Glowing Turquoise Kaolack in against weathered turquoise paint in Kaolack

Red Cabbage Veins Glowing Turquoise Kaolack

Olympus OM-D E-M1 · against weathered turquoise paint in Kaolack

Dragonfly Eye Macro in Harare Twilight in on dew-soaked moss in Harare

Dragonfly Eye Macro in Harare Twilight

Hasselblad X1D · on dew-soaked moss in Harare

Jewel-Like Coral Polyps on Salt Crystals in on salt crystals along a pan rim in Senopati, Jakarta

Jewel-Like Coral Polyps on Salt Crystals

Nikon FM3A · on salt crystals along a pan rim in Senopati, Jakarta

Grasshopper Leg Joint Turquoise Wall Willemstad in against weathered turquoise paint in Willemstad

Grasshopper Leg Joint Turquoise Wall Willemstad

Pentax LX · against weathered turquoise paint in Willemstad

Butterflyfish Feeding on Coral Under Fluorescent Light in across a rain-beaded metal surface in Salvador

Butterflyfish Feeding on Coral Under Fluorescent Light

Canon EOS 750D · across a rain-beaded metal surface in Salvador

Dragonfly Compound Eye Facets Glowing in Winter Drizzle in beside a tidal inlet in Kansas

Dragonfly Compound Eye Facets Glowing in Winter Drizzle

Minolta X-700 · beside a tidal inlet in Kansas

Sea Anemone and Shrimp in Late Autumn Light in on a wind-scoured ridge near San Francisco

Sea Anemone and Shrimp in Late Autumn Light

Canon EOS 6D Mark II · on a wind-scoured ridge near San Francisco

Hermit Crab in Sydney Tide Pool in through kelp fronds beside a rocky shelf near Sydney

Hermit Crab in Sydney Tide Pool

Nikon D6 · through kelp fronds beside a rocky shelf near Sydney

Clownfish Defending Anemone in Amber Reef Light in beneath a reef ledge in tropical shallows near Cairns

Clownfish Defending Anemone in Amber Reef Light

Canon EOS 90D · beneath a reef ledge in tropical shallows near Cairns

Cabbage Leaf Droplets in Copper Light in against weathered turquoise paint in Shimla

Cabbage Leaf Droplets in Copper Light

OnePlus 11 · against weathered turquoise paint in Shimla

Neon-lit Barnacle Cirri on Lichen Bark in on lichen-covered bark in Keelung

Neon-lit Barnacle Cirri on Lichen Bark

Nikon F6 · on lichen-covered bark in Keelung

Extended Coral Polyps on Weathered Turquoise Wall in against weathered turquoise paint near Colombo

Extended Coral Polyps on Weathered Turquoise Wall

Sony a7 V · against weathered turquoise paint near Colombo

Cuttlefish Flashing Patterns on Coral Wall at Twilight in along a coral wall with blue water beyond near Cairns

Cuttlefish Flashing Patterns on Coral Wall at Twilight

Sony a1 · along a coral wall with blue water beyond near Cairns

Dragonfly Eye Catching Blue Light in above a glacial stream in Chile

Dragonfly Eye Catching Blue Light

Zorki 1 · above a glacial stream in Chile

Sea Anemone and Shrimp in Sydney Haze in near Sydney

Sea Anemone and Shrimp in Sydney Haze

Canon A-1 · near Sydney

Red Cabbage Veins Glowing Like Stained Glass in inside a seed pod split open near Dublin

Red Cabbage Veins Glowing Like Stained Glass

Leica M-A · inside a seed pod split open near Dublin

Barnacle Cluster on Weathered Turquoise Paint in against weathered turquoise paint in Al-Muharraq

Barnacle Cluster on Weathered Turquoise Paint

iPhone 16 Pro · against weathered turquoise paint in Al-Muharraq

Purple Cabbage Spiral on Lichen Bark in on lichen-covered bark near Tabora

Purple Cabbage Spiral on Lichen Bark

Pentax K-7 · on lichen-covered bark near Tabora

Clownfish in Copper Dusk Light in along a coral wall with blue water beyond near Stone Town

Clownfish in Copper Dusk Light

Panasonic Lumix DMC-G1 · along a coral wall with blue water beyond near Stone Town

Dragonfly Compound Eye Facets Namibia in along a game trail in Namibia

Dragonfly Compound Eye Facets Namibia

Canon EOS R6 · along a game trail in Namibia

Autumn Tide Pool Anemones Sydney Coastal Water in along a seagrass channel near the coast in Sydney

Autumn Tide Pool Anemones Sydney Coastal Water

Panasonic Lumix DMC-GH1 · along a seagrass channel near the coast in Sydney

Grasshopper Leg Joint on Salt Crystals in on salt crystals along a pan rim in Pescara

Grasshopper Leg Joint on Salt Crystals

Fujifilm X100V · on salt crystals along a pan rim in Pescara

Coral Polyps Slide and Dive Slate in Fossil Lab in in a fossil prep lab in Phuket

Coral Polyps Slide and Dive Slate in Fossil Lab

Hasselblad 907X · in a fossil prep lab in Phuket

Hermit Crab in Tide Pool with Anemones in along a seagrass channel near the coast in Spain

Hermit Crab in Tide Pool with Anemones

iPhone 7 · along a seagrass channel near the coast in Spain

Glowing Anemone and Shrimp in Catalan Drizzle in in Catalonia

Glowing Anemone and Shrimp in Catalan Drizzle

Sony a6100 · in Catalonia

Decorator Crab Camouflaged Among Anemones on Reef in beside a reef crevice under clear water near Cairns

Decorator Crab Camouflaged Among Anemones on Reef

Pentax Spotmatic · beside a reef crevice under clear water near Cairns

Horseshoe Crab Pair in Sydney Kelp Forest in through a forest of kelp fronds near The Rocks, Sydney

Horseshoe Crab Pair in Sydney Kelp Forest

OM System OM-1 Mark II · through a forest of kelp fronds near The Rocks, Sydney

Coiled Proboscis Butterfly in Late Autumn Light in at the edge of a reed bed in New Brunswick

Coiled Proboscis Butterfly in Late Autumn Light

Pentax Spotmatic · at the edge of a reed bed in New Brunswick

Copper Light on Coiled Butterfly Proboscis in along a game trail in Zambia

Copper Light on Coiled Butterfly Proboscis

Canon T90 · along a game trail in Zambia

Horsefly Compound Eye Macro Detail in on lichen-covered bark in Haiphong

Horsefly Compound Eye Macro Detail

4x5 RB Auto Graflex · on lichen-covered bark in Haiphong

Green Compound Eye Macro on Salt Crystals in on salt crystals along a pan rim in Colombo

Green Compound Eye Macro on Salt Crystals

Sony a7CR · on salt crystals along a pan rim in Colombo

Diatoms on Slide Under Blue Monitor Glow in in a bright laboratory near Ouargla

Diatoms on Slide Under Blue Monitor Glow

Olympus OM-D E-M5 · in a bright laboratory near Ouargla

Macro Coral Polyps on Lichen Bark in Indoor Light in on lichen-covered bark in Thu Thiem, Ho Chi Minh City

Macro Coral Polyps on Lichen Bark in Indoor Light

Rollei 35 · on lichen-covered bark in Thu Thiem, Ho Chi Minh City

Horsefly Eye Macro in Bonn Seed Pod Twilight in inside a seed pod split open in Bonn

Horsefly Eye Macro in Bonn Seed Pod Twilight

Olympus OM-10 · inside a seed pod split open in Bonn

Droplet Lens Magnifies Leaf Veins Turquoise Paint in against weathered turquoise paint near Charleston

Droplet Lens Magnifies Leaf Veins Turquoise Paint

Leica R3 · against weathered turquoise paint near Charleston

Sea Anemones in Florida Tide Pools in beside a volcanic drop-off in Florida

Sea Anemones in Florida Tide Pools

Smena 8M · beside a volcanic drop-off in Florida

Dragonfly Eye Macro Inside Bucharest Seed Pod in inside a seed pod split open in Bucharest

Dragonfly Eye Macro Inside Bucharest Seed Pod

iPhone 13 · inside a seed pod split open in Bucharest

Dragonfly Eye Facets Glowing in Coastal Light in at the edge of a reed bed in Jamaica

Dragonfly Eye Facets Glowing in Coastal Light

Nikon D70 · at the edge of a reed bed in Jamaica