Crown Jellyfish: This jelly fish is famous for its 30 spikes that come out from its broad circular bell. Their bodies aren’t very complex but they do have a stomach and intestines. This is a hole that is found underneath the body. * Jellyfish do not have a specialized digestive system. Watch Corals Form a ‘Wall of Mouths’ to Catch and Eat Jellyfish. 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. Jellyfish have a mouth that they place food into. Blue jellies are among the species of jellyfish that do not have to rely entirely … A large bloom can have over 100,000 jellyfish! What they do have is a mouth, tentacles, and arms around their mouth. By Andrea Thompson 01 April 2007. Although blue jellies have eight oral arms, other related species within this order only have three or four. When a jellyfish is near a small invertebrate or something which is about to fall prey, the cnidocytes send nematocysts at the prey. The tentacles push the food through the mouth. 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 have a potty mouth. While the spotted jellyfish have small mouths on their arms, the main mouths of jellyfish are found in the center of their bodies. 4. Shares. 3. True Jellyfish have an incomplete digestive system, which means that they do not have organs such as liver, pancreas, and intestines to help in digestion of the food. Jellyfish have mouths. They trap food in their tentacles and then move it to their mouth. 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). Jellyfish Have Human-Like Eyes. These nematocysts shock the prey, allowing the tentacles to latch onto the prey and insert it in their mouth. They use these mouths to eat and feed. The waste products also leave through the mouth. Food goes into the Jellyfish through the mouth which is found in the middle of the bell. The food is placed in the hole, which is the mouth using the tentacles. The hole might be favorable when they feed on small fish or it might be too small to feed on big dead prey. The crown jellyfish can grow up to 24 inches and usually prefers to live in Indo-pacific ocean regions. When your mouth is tiny, teamwork can help to take down enormous prey. Jellyfish have been around for millions of years. Jellyfish, however, do not have an anus. After reading that, you should know that they do have mouths. A group of jellyfish are called blooms, swarms or smacks. Food that the mouth transfers into the Jellyfish’s stomach (the coelenteron) is broken down by digestive enzymes. 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