Back to Monocytes

In fish, the blood contains variable numbers of monocytes, but generally the numbers are low. 

For example in Plaice they account for only 0.1% of the total number of leucocytes.  In Catfish however they are more numerous, making up 1-8% of the leucocytes.

Notes

Percentage of i)  white blood cells and ii)  all blood cells accounted for by monocytes       

                                                               % of WBC’s                % of all blood cells

Sea Bass (Dicentrarchus labrax)               2%                               0.07%

White Bream (Diplodus sargus)                2%                               0.07%