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.
What Do They Eat? Larval yellow perch commonly eat copepods, waterfleas, and other small crustaceans. Juveniles quickly begin to include bigger items such as aquatic insect larvae and larval fish. By the end of their first growing season, perch are including small fish, crayfish, leeches, and snails in their diet.