All of these reasons are why it is so difficult to claim that chemical imbalances are the actual cause of anxiety, and not simply a symptom. Even if they are a cause, it appears that the ability to cope with anxiety can address some or all of the chemical problems.
The larger species of jellyfish eat crustaceans and other jellyfish. The tentacles are the main devices to catch prey for jellyfish. These tentacles have thousands of cnidocytes with stinging capsules or nematocysts containing venom.
Crayfish are omnivorous, so they eat both plants and animals. They are also scavengers and will eat dead things, as long as they are relatively fresh. Some favorite foods of crayfish are worms, insects, insect larvae, and the eggs of fish, frogs, toads, and salamanders.rayfish are omnivorous, so they eat both plants and animals. They are also scavengers and will eat dead things, as long as they are relatively fresh. Some favorite foods of crayfish are worms, insects, insect larvae, and the eggs of fish, frogs, toads, and salamanders.