Have you ever wanted to learn about very interesting Hydrozoans? Well, they are interesting to learn and watch these incredible animals. A Hydrozoa is a type of jellyfish that has a small body. Their body is up to 2 CM long and their tentacles are up to 12 MM which is 1.2 CM. Their habitat is in the Arctic Ocean. So during this essay, you will learn many different things about these fascinating animals.

         

This Jellyfish is a small jellyfish compared to big ones. This jelly’s body is up to 2 cm long and the tentacles on it are 12 mm long. COLORATION!! ADAPTIONS!!! They have many interesting characteristics. For example, they are notable for having only two (2) long and conspicuous tentacles. It also has eight (8) stomach pouches in their body. So as u can see this jellyfish has differences compared to other big jellyfish.

         

These jellyfish can be found in a few places but there is one (1) common place where they live. Hydrozoans mostly live in the Antarctic Ocean. The second most popular is the South Pacific Ocean. In the South Pacific Ocean, the jellyfish live in the deep water. For example, in 1965 people discovered they lived from between 1,000-2,000 feet below. In the Antarctic Ocean, the deepest they lived in the ocean was 500 feet below. These jellyfish can live in deep water or shallow waters.

         

Hydrozoans have a very interesting feeding. Their feeding is unknown, but other narcomedusae are known for eating on gelatinous taxa. They two (2) tentacles protect them from hungry predators. When a predator is coming up the Hydrozoans put out the two (2) tentacles to sting them away. There two (2) tentacles may not be long but they will sting the predators. Then the predators won’t be wanting to come back.

         

Hydrozoans stood out to me because I thought only having two (2) tentacles for a jellyfish was really interesting. The importance if this animal was that even if it is small and only has two (2) tentacles it can still survive for a long time. This jellyfish really stood out because it isn’t common to net catches and there isn’t a lot of recorded data about this jellyfish. It’s like a secret animal. So during this essay, I thought this was an interesting creature to learn about in class or in your free time.

 

Author: Kylie C

Published: 02/2013

         

Sources:

 www.imas.utas.edu.au