Which city is the primary
seaport and fishing center in
the russian far east?

VLADIVOSTOK city is the primary  Seaport and fishing center in  the Russian Far East.

Explanation:

Vladivostok is the primary city that has the seaport and the fishing center in the Russian. It is the most southern seaports and the administrative center of the Primorsky territory near the country border with China and North Korea.

It is located around the golden horn bay in the western side of the peninsula that separates the amur and the vssuri bays on the sea of japan. It is the seaport major for the fishing, shipping, and the Russian navy. It has a 47% share for fisheries production in Russia.

b. heterotroph

explanation:

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus