Image collection
Climate change: coral bleaching
Coral bleaching is the process when corals turn white due to various stressors, such as changes in temperature, light, or nutrients. Bleaching occurs when coral polyps expel the algae (zooxanthellae) that live inside their tissue, causing the coral to turn white. The zooxanthellae are photosynthetic, and as the water temperature rises, they begin to produce reactive oxygen species. This is toxic to the coral, so the coral expels the zooxanthellae. Since the zooxanthellae produce the majority of coral pigmentation, the coral tissue becomes transparent, revealing the coral skeleton made of calcium carbonate. Most bleached corals appear bright white, but some are pastel blue, yellow, or pink due to proteins in the coral. (wp)
108 Objects
THE WORLD'S CORAL REEFS ARE DYING. SHEDD SCIENTISTS IN THE BAHAMAS ARE SEARCHIG FOR A CHANCE FOR THEIR SURVIVAL.
(RM) 470820270
A 'NOAH'S ARK' PROJECT FOR CORALS: SCIENTISTS RACE TO SAVE FLORIDA REEF FROM KILLER DISEASE
(RM) 470820260
THE WORLD'S CORAL REEFS ARE DYING. SHEDD SCIENTISTS IN THE BAHAMAS ARE SEARCHIG FOR A CHANCE FOR THEIR SURVIVAL.
(RM) 470820232
A 'NOAH'S ARK' PROJECT FOR CORALS: SCIENTISTS RACE TO SAVE FLORIDA REEF FROM KILLER DISEASE
(RM) 470820244
A 'NOAH'S ARK' PROJECT FOR CORALS: SCIENTISTS RACE TO SAVE FLORIDA REEF FROM KILLER DISEASE
(RM) 470820250
SHOAL OF CELEBES SWEETLIPS, PLECTORHINCHUS CHRYSOTAENIA, NEW IRELAND, PAPUA NEW GUINEA
(RM) 424779438
CROWN-OF-THORNS SEA STAR (ACANTHASTER PLANCI) ON CORAL, (ACROPORA SP), GULF OF TADJOURA, DJIBOUTI
(RM) 409282549
DEBRIS OF DEAD CORALS (ACROPORA AND PORITES ) PROBABLY DUE TO THE BLEACHING OF 1998 AN EL NINO YEAR WHICH KILLED A LARGE AMOUNT OF MALDIVE CORALS, MALDIVES. INDIAN OCEAN.
(RM) 403950146
CROWN-OF-THORNS SEA STAR (ACANTHASTER PLANCI) ON DEAD CORAL. HERON ISLAND. GREAT BARRIER REEF. QUEENSLAND. AUTRALIA.
(RM) 415473049
HARD CORAL (LOBOPHYLLIA) HALF DEAD WITH FISHES SWIMMING AROUND, MADAGASCAR. INDIAN OCEAN.
(RM) 403947981
CORALLINE ALGAE GROWING ON DEAD CORAL PATCHES ON PORITES, FORMING A HARD CALCAEROUS DEPOSIT. ENCRUSTING ALGAE PLAYS AN IMPORTANT ROLE IN THE ECOLOGY OF CORAL REEFS, PROVIDING FOOD FOR MANY TROPICAL FISH. EGYPT, RED SEA.
(RM) 402390733
CLIMATE CHANGE, CORAL BLEACHING, INTACT CORAL IN THE MIDST OF DEAD CORALS, PACIFIC OCEAN,
(RM) 389262233
TARA PACIFIC EXPEDITION - NOVEMBER 2017 UNNAMED REEF IN NORTH-EAST KIMBE BAY, PAPUA NEW GUINEA, DEAD REEF (STAGHORN CORALS), D: 9 M
(RM) 381377494
TARA PACIFIC EXPEDITION - NOVEMBER 2017 SOUTH EMA REEF IN KIMBE BAY, PAPUA NEW GUINEA, DEAD AREA OF REEF CREST, D: 10 M
(RM) 381377474
TARA PACIFIC EXPEDITION - NOVEMBER 2017 NORTH EMA REEF, KIMBE BAY, PAPUA NEW GUINEA, 2 CROWN-OF-THORNS STARFISH (ACANTHASTER PLANCI) ARE BEING KILLED BY A LOCAL DIVE GUIDE, TAKING THEM OUT OF THE WATER.THE CROWN-OF-THORNS STARFISH (ACANTHASTER PLANCI) FEE
(RM) 381377443
TARA PACIFIC EXPEDITION - NOVEMBER 2017 INGLIS SHOAL SEAMOUNT, KIMBE BAY, PAPUA NEW GUINEA, MARINE LIFE ON A PARTLY BLEACHED REEF CREST. FUSILIERS AND OTHER REEF FISH. D: 20 M
(RM) 381377423
TARA PACIFIC EXPEDITION - NOVEMBER 2017 OUTER REEF, BANBAN AND MULI ISLETS, PAPUA NEW GUINEA, REEF "FINGER" (DEEP FORE REEF), INTACT AND DEAD TABLE CORAL SIDE BY SIDE, D: 15 M
(RM) 381377469
TARA PACIFIC EXPEDITION - NOVEMBER 2017 OUTER REEF OF EGUM ATOLL, PAPUA NEW GUINEA, BLEACHING PROCESS VISIBLE ON (ACROPORA) CORAL, D: 8 M
(RM) 381376944
CORAL BLEACHING IN THE NORTHERN GREAT BARRIER REEF, QUEENSLAND, AUSTRALIA MARCH 2017.
(RM) 375256226
Download lightbox content as ZIP file
Downloads the entire content of the lightbox as a compressed ZIP file. Lightboxes with many objects are split into several ZIP files to keep the file size manageable.
Attention: Royalty Free images and images that require clearance are not included in the ZIP file. Please download them separately.
Instructions