Post-larvae are removed from larval- rearing tanks and concentrated for counting, packing and shipping. Shrimp PL are shipped at densities of 1,000 to 2,000 per L in polyethylene bags  containing seawater (30 to 35 ppt) that is saturated with oxygen and cooled to 18 °C (64.4 °F) before packing.

The bags are usually packed . . . → Read More: Zero Exchange Intensive Nurseries For Bait Shrimp