Notes: Fish Production (I - Fishing Boats)

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  • Topic: Fish, Fishing, Pelagic fish
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Production
Lesson 1: Fishing Boats

Fish

Fishing
It is the process of catching fish; it had existed even before the rise of man.

Different types of animals can fish; many birds have beaks or talons made for fishing.

Osprey

Kingfisher

Puffin



Early human settlements/civilization were close to lakes or rivers because of their abundance in resources.



Primitive fishing gear were made of materials such as wood, bone, or metal.

During the latter part of the nineteenth century, the use of much larger gear emerged with the development of power boats.

Steamboat

Eventually, these fishing vessels became floating factories that are able to catch fish in any ocean of the world and process, package, preserve, and transport the catch.

Kinds of Fishing Vessels


Main types:
◦ Trawlers – uses trawl nets

Trawler

o

Seiners – uses seine nets

Seiner

Other Types


Pacific Troller – the most common kind



Atlantic Trawler – operating in the Atlantic Ocean, this vessel is made of steel or wood and ranges from about 40 to 140 feet in length Tuna Clipper – a complex fishing vessel capable of operating thousands of miles from home port, ranges from about 80 to 170 feet in length Pacific Combination Vessel – a seiner type vessel, catches halibut, salmon, and shrimp







Tuna Seiners – large specialized ships for catching tuna, it has large seine nets and fishing equipment

Other types:

Pacific Troller

Atlantic Trawler

Tuna Clipper

Tuna Seiner

Major Fisheries
Fisheries refer to places where fish can be found and caught. The range of these fisheries is immense, with over 4,000 aquatic species that may be harvested worldwide. 

Shrimp – considered the most important species group in world fisheries trade; has very high commercial value Small, Pelagic (Open Ocean) Fish - consist the largest fisheries group (sardine, herring, anchovy, etc.); has relatively low commercial value





Groundfish or Demersal Fish - live near the ocean floor; accounts for 10% of the fishery of the world; has high commercial value; generally white-fleshed fish - Species include: Haddock, Cod, Pollock, Hake (and other demersal fish such as flounder, halibut, etc.)



Large Pelagic Fish - accounts for nearly 5% of the world harvest; - Species include: Tuna, Swordfish, Marlin, Mahi-mahi



Carp - eaten mostly in Asia and other parts of Europe; account for 10% of all fish harvested worldwide Scallops - harvested from China, Japan, Canada, and the United States



Major Fisheries

Shrimp

Small, Pelagic Fish

Sardine

Small, Pelagic Fish

Herring

Small, Pelagic Fish

Anchovy

Groundfish or Demersal Fish

Haddock

Groundfish or Demersal Fish

Cod

Groundfish or Demersal Fish

Pollock

Groundfish or Demersal Fish

Hake

Groundfish or Demersal Fish

Flounder

Groundfish or Demersal Fish

Halibut

Large Pelagic Fish

Tuna

Large Pelagic Fish

Marlin

Large Pelagic Fish

Mahi-Mahi

Carp

Scallops

Fishing Gears and Methods


Traps – stationary equipment; depend on guiding fish in through openings that are impossible to find in order to escape Gill Nets- flat, wall-like nets made of fine threads that entangle fish Dredge Nets – has a metal frame at the mouth that is dragged along the seafloor Trawls – cone shaped nets ◦ Vigneron-Dahl Gear – a modification of the trawl that promoted greater efficiency; it is a linkage between the otter boards and the net

 





Seines – these are flat nets used to encircle fish fitted with floats on top and weights on the bottom

Industrialized Fisheries
- These refer to large-scale commercial fishing that
emerged in the 1950s. They were located in increasingly large ocean areas.



Leader – a monofilament line that fly-fishers attach to the end of a fly line – made of heavy monofilament or steel; these prevent...
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