Brilliant red Forth Bridge railway crossing, UNESCO World Heritage Site, at the Fírth of Forth in South Queensferry, near Edinburgh, Scotland, United Kingdom, Europe

Traditional sea salt production, Salinas de Janubio, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Pair of Dolphin gulls (Leucophaeus scoresbii) on a seaweed covered rock, Sea Lion Island, Falkland Islands, South America

Garibaldi Fish in Kelp forest, Hypsypops rubicundus, San Benito Island, Mexico

Garibaldi Fish in Kelp forest, Hypsypops rubicundus, San Benito Island, Mexico

Garibaldi Fish in Kelp forest, Hypsypops rubicundus, San Benito Island, Mexico

Garibaldi Fish in Kelp forest, Hypsypops rubicundus, San Benito Island, Mexico

The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

North Ham Bay, deep inlet, lichen covered red granite cliffs and stacks, seaweed, Muckle Roe Island, Shetland Isles, Scotland, United Kingdom, Europe

Aerial of San Antonio church, Island of Mozambique, UNESCO World Heritage Site, Mozambique, Africa

Asian cuisine, fish poke bowl with seaweed, avocado, cucumber, radish, sesame seeds, Haute-Savoie, France, Europe

Ile Molene (Ile de Molene) (Molene Island), Brittany, France, Europe

Common Seals, Phoca vitulina, on the Farne Islands, Northumberland, UK, with the Longstone lighthouse that Grace Darling performed her famous rescue from.

Jourdan's turban (turbo jourdani) large gastropod shell, reddish-brown, Rottnest Island reef, wild, day, marine protected area, free-diving off, cool temperate waters of Western Australia. MORE INFO: Marine plant common kelp, a dominant feature of the underwater landscape. Protected areas are covered in lush growth of diverse algae, also red algea are here.

Red Algae spp., clump of red seaweeds encrusted by bryozoans, St Abbs, Scotland, UK NORTH SEA

Red Rags (Dilsea carnosa), a typical red algae found around teh North Sea coast, St Abbs, Scotland, UK NORTH SEA

Various types of colourful Seaweed (Macrocystis), brown, yellow, green, red

Sea cucumber also sea cucumber or holothuria (Holothuria) camouflaged with seaweed, Red Sea, Aqaba, Kingdom of Jordan

Japanese cucumber and wakame salad with red onions and sesame seeds

Sea cucumber also sea cucumber or holothuria (Holothuria) camouflaged with seaweed, Red Sea, Aqaba, Kingdom of Jordan

This red encrusting sponge (Clathria sp.) is the most common of this family found in Hawaii. Here it has covered the calcium carbonate-producing seaweed, Halimeda kanaloana, Hawaii, United States of America

Young boy standing on a beach, Barkley Sound, Vancouver Island, British Columbia