-There are 2 types of fish - dermesal and pelagic.
-dermesal fish live in deep waters and examples include plaice, cod, haddock
-pelagic fish live in shallow waters and examples include mackerel, herring, pilchard
- fresh water fish - salmon, trout, carp, pike
-oily fish contain on average 10 - 20% fat in their flesh and examples are mackerel, herring and salmon
- white fish have only less than 5% fat in their flesh and examples are whitebait, haddock and cod.
-HBV (High Biological Value) protein. Protein in fish has higher percentage of water than meat