Pacific Common Thresher Shark.
Pacific Common Thresher Shark.
Life Cycle.
-There is no current population recorded for the thresher shark , history population , not recorded but there are more thresher sharks on the west coast than the east.
-The reproductive age is 4 to 5 years old. they life up to 19 to 50 years. there are 6 young at one time. Some of their threats are platic, they mistaken it with food.
Finally
References .
http://www.fishwatch.gov/seafood_profiles/species/shark/species_pages/pac_common_thresher_shark.htm
http://www.elasmo-research.org/education/shark_profiles/a_vulpinus.htm
http://www.santamonicaseafood.com/blog/2011/06/22/responsibly-sourced-pacific-common-thresher-shark-now-available/
http://swfsc.noaa.gov/textblock.aspx?ParentMenuId=123&id=972
-Its food source is little fish like schooling fish, crabs, and shrimp.
-it is both because the shark is not on top of the food chain and its not on the bottom either but if you tke them out the structure will collapse because its a predator and a hunter
Life Cycle
Biodiversity, Ecosystem, Food Web.
-The levels they feed at is mostly in the first level the conivors and consumers like shrimp, sea stars, lobsters.
-A killer whale can eat the pacific common thresher shark, and also other bigger sharks , because sometimes bigger sharks feed off of little sharks.
-Seafood is good , alternitive, its caught mostly in california and hawaii , its wild caught not in sushi resturaunts here in Sparks or Reno.
-There are plastic, and temperature, every five years the temperature drops. they dont move places and thier habits dont distroy only because they live in open water so theyre is rally nothing to distroy other than having a lot of trash in the ocean.
Catching method.
Fishing
- the method of fishing is since they are smaller sharks what the do is the fish it like normal fishing the would stick a little fish at the end of the string and drive their boats to make it seem like the fish is moving , and the shark comes and eats it , catching the pacific common thresher shark also called trolling.
-Bycatch is an unwanted fish that are caught while fishing for another fish .
-its not considered bycatch.
-Target Species is the most highly sought component of the catch taken by fisheries.