1 23 Fish Physiology and Biochemistry ISSN 0920-1742 Volume 36 Number 4 Fish Physiol Biochem (2010) 36:1263-1269 DOI 10.1007/ s10695-010-9406-7 Description of peripheral blood cells and differential blood analysis of captive female and male leopard grouper Mycteropercarosacea as an approach for diagnosing diseases