[1
] State Key Laboratory of Biocontrol and Center for Parasitic Organisms, School of
Life Sciences, Sun Yat-sen University, Guangzhou, P.R. China,
[2
] The Milford Laboratory, Aquaculture and Enhancement Division, National Oceanic and
Atmospheric Administration, Milford, USA, and
[3
] Institute of Tropical Aquaculture, Universiti Malaysia Terengganu, Kuala Terengganu,
Malaysia