Bycatch: in the fishing industry, the part of the catch made up of non-target species.
Caudal fin: the tail fin of fish.
Ovovivipary: method of reproduction whereby the egg shell is weakly formed and young hatch inside the female; they are nourished by their yolk sac and then ‘born’ live.
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.