Caddisfly larvae build protective cases using materials found in their environment. Artist Hubert Duprat supplied them with gold leaf and precious stones. This is what they created. Recommended by http://www.fishinglondon.co.uk/
"Water Dreaming," 1972, by Mick Namararri Tjapaltjarri Photo: Grey Art Gallery
Lena Nyabdi - Gimmenbayn Cave, 59 x 59" (150 x 150 cm), natural ocher and pigments on canvas. Harvey Arts Project USA, Ketchum, Idaho.
https://www.google.com.au/search?q=lena nyadbi barramundi scales
Slopes – Greige Design
Marina Strocchi patterns More
Amelia Bennett, Blocks and strips, c. 1965, Cotton, 84 x 79 inches