1 For this reason, they are called accessory pigments. 2  One very visible accessory pigment is fucoxanthin the brown pigment which colors kelps and other brown algae as well as the diatoms. 3  Phycobilins are water-soluble pigments, and are therefore found in the cytoplasm, or in the stroma of the chloroplast.
Ceviche Variations. Ceviche is usually made with sea bass or flounder, but just about any fish or shellfish will work. The other ingredients vary widely. Ecuadorean ceviche is often made with shrimp and ketchup in addition to the lime juice and served with corn nuts. In Chile, ceviche is made with Chilean sea bass, grapefruit juice and cilantro.
There are a few theories as to how to cut fish for ceviche. Some like to cut it into paper thin slices, others into corn-kernel sized nuggets. I prefer my slices slightly thicker. One of the joys of really great ceviche is the contrast between the exterior and the center of the fish.rom left to right, we've got: 1  0 minutes: Fish is completely raw. 2  1 minute: Fish is strongly flavored, but still essentially raw. 3  2 minutes: Very exterior of fish is starting to show some textural changes. 4  5 minutes: Definite textural changes in fish, with a pleasing firmness to the exterior. 5  10 minutes: For my taste, this is where it begins to ...