It they are unknown how would we know if they are unknown
There are many ways in which you can classify an unknown species. To classify an unknown species you can compare it to similar species.
It has not yet been established if aliens actually exist. But if they do, yes, they could very well be living in the oceans because for all that we know, they are absolutely unknown species.
Yeperonis budyy lol
That number is Unkown
Some 230,000 recorded so far
yes there is many unknown islands thourh out the oceans, most of them are very small though, no bigger then a couple of feet or yards.
How are oceans being impacted by invasive species
the number of species endangered in Russia is unknown to us at this moment.
There are thousands of fishes in the ocean... There are too many too name
Unknown. They discovered some new species only last month.
One species adapted to all the worlds oceans
It is impossible to quantify an unknown factor.