The fish fall through into troughs underneath. Named after H.C.J.Gram who developed the method. Bacteria either fall in to the gram negative or gram positive category. Other modifications of the original Gram staining technique are also used. Grazers Animals which eat continuously.
Bites are well defined but often small.
Includes mostly herbivorous and omnivorous species such as mullets. Grazers are sometimes used in cage nets with the main species as a method of reducing fouling on the nets. See also Browsers Green Eggs Unfertilised eggs. Eggs in their green state can usually be moved about without too much damage. It is best to move the eggs at this stage than when fertilised.