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.
Striped peacock eels consume crickets, fish, crustaceans, brine shrimp and plankton, earthworms, mealworms, blood worms, glass worms and tubifex worms. Short finned eels will eat frogs, mollusks, insects, fish and shrimp. Dragon eels consume fish, but also eat squid and octopus.