Commercial fishing, either with nets or longlines.

Commercial fishing, either with nets or longlines.

there's a lot-

the typical fishing rod is the most known way, but you can use dredges, harpoons, hook and lines, longlines, purse seining, traps and pots, and trawls. you can see these in depth at http://www.motherjones.com/news/featurex/2006/03/fishing_methods.html

hop i helped!

N. W. McL Smith has written:

'Longline sink rates of an autoline vessel, and notes on seabird interactions' -- subject(s): Bycatches, Effect of fishing on, Genypterus blacodes fisheries, Longlines (Fishery equipment), Mortality, Sea birds, Sink rate

Ichthyologist. Elasmobranchologist to be more specific. Ichtyology is the study of all fish Elasmobranchology is the study of sharks and rays