... with fish reared in FW when facing a hyperosmotic challenge. It has been shown that exposing tilapia to an osmotic challenge both increases the mRNA expression of appropriate ion transporting proteins and reduces the mRNA expression of ion transporting proteins that would be maladaptive ( Hiroi et al...

... secretion Ion transporter Endocrine regulation Calciotropic hormones Marine teleosts sustain an ionic equilibrium with seawater to keep their plasma osmolality within narrow limits. To achieve this, the gills remove excess salts from the body ( Evans et al., 2005 ) in a secretion process...