they reproduce asexually witch means that they make a cloan of themselves

Halophiles are multicellular.

Archaebacteria are single cell microbes that have no nucleus nor any organelles bound by a membrane. More commonly known as archaea, 20 examples of this organism include methanobrevibacter smithii, thermococcus celer, fervidicoccus, aeropyrum pernix, cenarchaeum symbiosum, halorubrum salsolis, pyrococcus woesei, haloquadratum walsbyi, gemmatimonas aurantiaca, methanococcoides burtonii, pyrolobus fumarii, thermoleophilum album, haloferax volcanii, methanothrix soehngenii, nanoarchaeum equitans, thermococcus alcaliphilus, methylosphaera hansonii, picrophilus torridus, thermococcus hydrothermalis, and acidianus hospitalis.

One example of thermoacidophile or thermoacidophile is thermoplasma. Another good example of thermoacidophile is thermococcus. A thermoacidophile can put up with high temperature and also high acidity.

Clostridium tetani, Clostridium botulinum, Clostridium perfringens, Bacillus antracis, Bacillus pneumoniae, Esherischia coli......