How to feed and keep the animals on the Ark?

may I point out an analogy ? (I know, the debate has gone past that subject but I wanted to give my own 2 cents! )fishes in muddy waters are mostly like humans in a sand storm: try breathing during 40 days in a sandstorm without any kind of protection. Try also to feed yourself and sleep without shelter during that month of constant sandstorm.of course there are camels who can survive sandstorm for a couple of days but imagine a 40 days sandstorm happening to animals (or humans) who never saw one in their lives?
these people and animals will be all dead in a couple of days (especially without shelter)...another thing (which may have been pointed out perhaps) is that many marine species (tortoise for example) need to rest on solid ground, they can't stay for a year at sea...I forgot: not only would the water be full of silt and dregs of all sort but also full of corpses from billions of creatures.billions of corpses decaying at the same and clogging the water may have been a feast for some animals but most other would have been poisonned...
the seas must have been, at that time, a teeming soup of bacteria, an envirronment where few marine creatures could have survived...
we were talking about ventilating the ark? but most certainly the air outside must have even more hideous to breath than the air in the shit-clogged ark!so, to go back to my analogy; the fishes were as likely to survive the flood as a naked human to survive 40 days of sandstorm in a sand desert filled with corpses. I call him dead before the corpses even begin to really stink...