Initially, the world has very few lands and remaining was covered only with oceanic water. In such period, there were no land animals. We could only find water animals and mammals all over.

In such case, Have you ever thought what would be the first animal in the world? Oh, yeah, definitely it would be a water animal. But, what it would be the first? does it still exists in the world? If so, what it is and how come? These kinds of questions are arising in our mind. Of course, it will.

The scientist has researched on the sea and sea bed to find the first animal, for a long period. After these long days, they finally found and gave a believable result for the first animal is Sponge and Comb Jelly fish. Yes, these are the first emerging water animal in the world.

Ah… Sponge? Sponge is the first animal? How could it be, it is just a Sponge? Yes, just Sponge. Sponge is considered as animal and of course it is the first animal in the world too. Is only Sponge and Comb Jelly fish is the first animal in the world? No, there is one more creator considering as first emerging animal in the word is, Malluscs. Oh, yeah, we have a lot of Malluscs available in the world. But this is the first creator of the Malluscs.

Well… These creators still exists in the world? Oh, yeah, it is, but not the Malluscs. Malluscs has been destroyed completely during Cambrian explosion. But some of the Malluscs has been preserved in the sea bed for showcasing and knowledge. As it is a long period, around 500 years, still it is preserved in the sea bed, as memorable one.

Is these first creator in the world can be used as pet, like, fish? Ah… Generally it isn’t possible because they need oceanic environment as well deep structure to survey. But now-a-days, the people are drawn towards it. Though, Comb Jelly fish can’t be used as pet because of its characteristic and habitat. It needs oceanic environment to survey because it’s characteristic, habitat and body structure doesn’t support however. But, the people are started to pet the Sponge, now-a-days. Though it is difficult but still the people are interested toward it. Sponges are abundant in nature but could able to survey in both polar and tropical region. It is all, because of its strong nature. Oh, how come Sponges have strong nature as it is named sponge (soft and puffy)? Yes, it is incredible. But still it is strong in nature. Actually, it named Sponges because of its appearance but it is not really as it is. It is really strong enough to make survey themselves in the sea world.

As Sponge has capable to live in polar and tropical region, it could be able to survey in land world, that is, moderate temperature area. How come Sponge alone can survey in the land area?  Ah… May be… It is all because of its characteristics. It requires only little amount (less quantity) of oxygen to survey. Yes, as it is in deep see, there will have only less quantity of oxygen in default. Sponges generally hold itself to hard substance, like sea rock or to soft sediments with root like structure sometimes. In such case, if we need to pet the Sponges, we really need to arrange something for it.

If we consider Sponges as the pet, then what would be the food for them? How should we feed the Sponge? Mm… generally, Sponges doesn’t have specific food habitat. But its body structure only support to have the food around 50 micrometer sized. 50 micrometer sized food? Then, what it would be? Definitely, algae and some harmless kind of bacteria would be its food. Algae and bacteria??  Is it possible for the human to buy and feed the Sponges? Yes, now-a-days, algae and some kind of bacteria are sold as food in some of the fish petting stores.

Oh… then we could make the Sponges to live along with fish, isn’t it? Mm… Critical question. So, the answer is like cat on wall. Yes, some kind of fish can go with the Sponges well. But some kind of fish doesn’t because; the sponges are one of the preys to them. So, when you plan to make the Sponge to live along with the fish, make sure to know the food habitat of the fish before. What kinds of water animals and mammals have the Sponges as their prey? Some kind of turtles, fishes and sea star.

Ah… the Sponges have so many conditions to be followed to have it as pet. How come the people drawn towards it? Which are the countries having the Sponges as the pet in their home or somewhere? Well, as we all know, Koreans, Japanese, Chinese are quite good in patience. In those countries, they having the Sponges has their pet and in museum to showcase it. Even, now-a-days, the western part of the world showing some interest towards it.

If you wish, try on your own to know how good the Sponges is…

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