Invertebrate Gallery

Veined octopus (Amphioctopus marginatus) resting on top of the two halves of an old

Veined octopus (Amphioctopus marginatus) resting on top of the two halves of an old clam shell on the sandy seabed. These octopus regularly carry pieces of shell so they can use them as protective armour if required. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea

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Aggregation of Golden jellyfish (Mastigias sp

Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues. Jellyfish Lake, Eil Malk island, Rock Islands, Palau. Tropical north Pacific Ocean

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Peppered moth (Biston betularia) showing a comparison of the melanistic form f

Peppered moth (Biston betularia) showing a comparison of the melanistic form f. carbonaria next to the typical paler form on dark soot-covered bark. The melanistic form has long been cited by genetic studies as an example of industural melanism. Sooty deposits on trees and other surfaces meant that the darker form was better camouflaged and more successful in industrial areas of Northern England. In recent decades air quality has improved to the extent that the melanistic form is declining in these areas and is now less frequently encountered than the typical form. Peak District National Park, Derbyshire, UK. July

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