1. Plankton: Many white fish species feed on zooplankton, which are tiny microscopic animals found in the water. These zooplankton include organisms like copepods, cladocerans, and rotifers.
2. Small Fish: Some white fish are predators and feed on smaller fish species. This includes fish like sardines, anchovies, capelin, and other small schooling fish.
3. Crustaceans: White fish often consume crustaceans such as shrimp, krill, and crabs. These crustaceans provide a rich source of protein and other essential nutrients.
4. Mollusks: White fish may also feed on mollusks, including squid, octopus, and different types of shellfish.
5. Insects and Aquatic Insects: Some white fish species feed on insects and aquatic insects found in their habitat, such as midges, mayflies, and dragonfly nymphs.
6. Fish Eggs and Roe: Some white fish, especially during certain times of the year, feed on fish eggs or roe of other fish species.
7. Marine Worms: White fish may consume marine worms, including polychaetes and other benthic invertebrates.
8. Aquatic Plants: Some white fish species, particularly herbivorous or omnivorous ones, may consume aquatic plants and algae as part of their diet.
9. Scavenging: Certain white fish are known to be opportunistic feeders and may engage in scavenging behavior, feeding on dead fish or other organic matter they find in the water.
It's important to note that the specific diet of a white fish can vary depending on the species, age, habitat, and availability of food sources. Different species of white fish have adapted to different feeding strategies and food preferences based on their ecological niche in the aquatic environment.