The 48-h LC50 for H2S in Metapenaeus monoceros zoea, mysis and juvenile stages were 0.008, 0.012 and 0.019 mg l_ 1, respectively (Kang and Matsuda, 1994).
The 48-h LC50 for H2S in Metapenaeus monoceros zoea, mysis and juvenilestages were 0.008, 0.012 and 0.019 mg l_ 1, respectively (Kang and Matsuda, 1994).