Food goes into the Jellyfish through the mouth which is found in the middle of the bell. Their bodies aren’t very complex but they do have a stomach and intestines. Crown Jellyfish: This jelly fish is famous for its 30 spikes that come out from its broad circular bell. They trap food in their tentacles and then move it to their mouth. When a jellyfish is near a small invertebrate or something which is about to fall prey, the cnidocytes send nematocysts at the prey. After reading that, you should know that they do have mouths. They use these mouths to eat and feed. They are carnivorous (meat-eating), and they are also opportunistic predators (they eat whatever they happen to come across as opposed to ambushing or actively pursuing their prey). Shares. They tend to rely on the current of the water and the wind to help them find food. Jellyfish have mouths. While the spotted jellyfish have small mouths on their arms, the main mouths of jellyfish are found in the center of their bodies. 4. The food is placed in the hole, which is the mouth using the tentacles. They have eight stout mouths and another 100 long pointed appendages that spring out from its pinkish-purple stomach. Jellyfish will eat any living thing that is small enough to fit into their mouths (and most pet jellyfish are typically fed brine shrimp). Jellyfish, however, do not have an anus. Watch Corals Form a ‘Wall of Mouths’ to Catch and Eat Jellyfish. This is a hole that is found underneath the body. The crown jellyfish can grow up to 24 inches and usually prefers to live in Indo-pacific ocean regions. The tentacles push the food through the mouth. By Andrea Thompson 01 April 2007. Jellyfish don't have an obvious mouth (or anus, for that matter) and it is hard to imagine where a digestive system might be within their small, transparent bodies. These nematocysts shock the prey, allowing the tentacles to latch onto the prey and insert it in their mouth. Although blue jellies have eight oral arms, other related species within this order only have three or four. Each of these oral arms has thousands of tiny mouths as opposed to a single oral orifice. They use their arms around their mouth to help sense and find food that ends up inside their mouth. Jellyfish have been around for millions of years. A group of jellyfish are called blooms, swarms or smacks. * Jellyfish do not have a specialized digestive system. Food that the mouth transfers into the Jellyfish’s stomach (the coelenteron) is broken down by digestive enzymes. They predate dinosaurs. The hole might be favorable when they feed on small fish or it might be too small to feed on big dead prey. Jellyfish Have Human-Like Eyes. Then, the food is trapped in the gastrovascular cavity and the nutrients are absorbed by the gastrodermis. 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