From red to white to orange to blue, fish flesh can land almost anywhere on the color spectrum. What's behind this huge variation? A lot of things — from genetics to bile pigments. And parsing the ...

First introduced in The Rainbow Fish in 1992, the title character, who finds happiness when he learns to share his iridescent scales, endeared himself to children and adults alike. Written and ...

A lingcod, location unknown; blue lingcod fillets. From red to white to orange to blue, fish flesh can land almost anywhere on the color spectrum. What's behind this huge variation? A lot of things — ...