settling OM and fish feces
was calculated to be 27%, 47% and 66%, respectively. The increasing content
of C3 plantmaterial fromfish feed to fish feces suggests that fish assimilated
fishmeal effectively and excreted a large proportion of C3
plant material as feces and that settling OM included both waste feed
and feces in the ratio of 1:1. The sea cucumbers could ingest C3 plant
material which was included in fish feces and settling OM and could
grow faster than those at the control station.