The diurnal distribution of crustacean zooplankton was determined in relation to this potential food source.
The crustacean is preferably an euphausiacean or a mysida.
Products and food supplements containing glucosamine, mainly derived from crustacean shells, chondroitin and methylsulfonylmethane.
The hydra is an efficient predators mainly nourishing of small crustacean such as Daphnia or Cyclops.
