Answer:
not sure exactly what you're asking, but marine fish are evolved to live in salt water, and therefore cannot breathe properly in freshwater
The answer to this question would be: <span>Nitazoxanide
</span><span>Nitazoxanide is a broad antiparasitic drug that can be used to treat infection of Giardia lamblia or Cryptosporidium parvum. It also a broad antiviral can be used for viral infection.
Another drug that can be used for Giardia infection would be Metronidazole.</span>
