Question

how does osmoregulation take place in marine bony fishes​

Answer 1

When they move to a hypertonic marine environment, these fish start drinking sea water; they excrete the excess salts through their gills and their urine, as illustrated in Figure 2. ... Sharks are cartilaginous fish with a rectal gland to secrete salt and assist in osmoregulation.

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Answer 2

When they move to a hypertonic marine environment, these fish start drinking sea water; they excrete the excess salts through their gills and their urine, as illustrated in Figure 2. ... Sharks are cartilaginous fish with a rectal gland to secrete salt and assist in osmoregulation.

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