Authenticated (18/06/05) by Dr. Jean-Luc Solandt, Biodiversity Policy Officer, Marine Conservation Society.
http://www.mcsuk.org
By-catch: In the fishing industry, the part of the catch made up of non-target species.
Copepods: Large and diverse group of minute marine and freshwater crustaceans belonging to the subclass Copepoda. They usually have an elongated body and a forked tail.
Dorsal fin: In fish, the unpaired fin found on the back of the body.
Hibernation: A winter survival strategy in which an animal's metabolic rate slows down and a state of deep sleep is attained. Whilst hibernating, animals survive on stored reserves of fat that they have accumulated in summer.
Ovoviviparous: Method of reproduction whereby the egg shell is weakly formed and young hatch inside the mother, they are nourished by their yolk sac and then born.
Pectoral fins: In fish, the pair of fins that are found one on each side of the body just behind the gills. They are generally used for balancing and braking.
Plankton: Aquatic organisms that drift with water movements; may be either phytoplankton (plants), or zooplankton (animals).