Effectiveness of formaldehyde in Caligus infection of laboratory reared grey mullet, Mugil cephalus (L)

Abstract

Mortality due to infection by a copepod ectoparasite, Caligus bombayensis (R) was recorded in laboratory reared grey mullet. Spread of infection was rapid and most of infected fish died within 4 days and the entire batch died in 6-10 days. Treatment with 0.02% formaldehyde solution was effective in eradicating the infection