Want this question answered?
no
No because it makes filter-feeding impossible for the sponges No because it makes filter-feeding impossible for the sponges
Spongilla
fresh water
sea sponges are found in mostly in salt water, but a few live in fresh water.
spongilla
marine protozoans transferred to fresh water will
marine fish lay eggs in fresh water river
As far as officials know, most sponges are not endangered. Very few aquatic sponges are harvested and this small number is not large enough to have an effect on their population. There are over 5000 varieties of known sponges and only some fresh water sponges are known to be in danger at this time.
no
fresh splash
the marine fish would pretty much suffocate and die. so putting marine fish in fresh water is not a good idea.