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.
Hikari brand food, the package that is sold for Cichlids such as Oscars, will work well. They pretty much eat any kind of small insects and worms. Fishes such as Bluegill, Longear, and redbrest sunfish start out a zooplanktivores. They consume zooplankton until they are large enough to begin eating insects. When keeping them in captivity, they will survive well on a variety of insects that they are able to fit into their mouths. If they h ave been farm raised or fed fish food pellets in a pond then they will aslo do well eating that in an aquarium. Hikari brand food, the package that is sold for Cichlids such as Oscars, will work well. Crickets, small worms, spiders, sometimes cut up pieces of minnow They pretty much eat any kind of small insects and worms.