Ichthyological terms, not general ones.
Any of a category of yellow to red pigments occurring naturally in plants and animals and including the carotenes and xanthophylls. Animals obtain carotenoids in their diets and they're known to enhance colouration in some fishes.
Used in 4 profiles
Carotenoid pigment found naturally in some fishes, crustaceans, microalgae and yeasts. Known to improve conditioning/colouration and used in some fish foods.
Used in 2 profiles
Chromatophore containing carotenoid pigment and thus having red or orange colour.
Yellow chromatophore typically containing a carotenoid pigment.