I introduced a river fish in Japanese most south and most north last time.
I introduce a river fish in the Temperate Zone area in a Japanese central part this time.
River fish in the downstream near a sea in a Japanese central part.
The video clip is below.
http://www.youtube.com/watch?v=l7iwKdGU3Es
The sweetfish which hurts the alga which stuck to a rock.
Plecoglossus altivelis altivelis (Ayu)

This fish is imitated in a stone. And a fry is eaten.
Cottus kazika


Rhinogobius sp. CB (cross band).


Tridentiger brevispinis (Dusky tripletooth goby)


Phoxinus logowskii steindachneri (Amur Minnow)

Rhinogobius sp. CB (cross band),Cottus kazika,Phoxinus logowskii steindachneri (Amur Minnow)


Fish of updraft section on the same river.
The video clip is below.
http://www.youtube.com/watch?v=NGT9Q7NnsZk
Niwaella delicata is said to be the most flavorful loach.
Rhinogobius sp. LD (large dark) and Niwaella delicata

Rhinogobius sp. LD (large dark)


Oncorhynchus masou ishikawae(Red spotted masu trout) or Oncorhynchus masou masou(Seema)


Phoxinus oxycephalus jouyi (Upstream fat minnow)

Phoxinus logowskii steindachneri (Amur Minnow)

Crab of amphidromous migration. Related species of Shanghai crab.
Eriocheir japonica (Japanese mitten crab)

Below is freshwater fish in Biwa-ko Lake which is the biggest lake in Japan.
http://www.youtube.com/watch?v=fTZlr1MHNf4
A list of fish from Biwa-ko Lake.

Opsariichthys uncirostris(Three-lips)



Rhinogobius.sp



Fish from Biwa-ko Lake is used as valuable food more than ancient times.

Fish from Japanese central part and source area.
Video clip is blow.
http://www.youtube.com/watch?v=4OBPU2fapVA
Rinogobius of pure fresh water, not amphidromous migration.
Rhinogobius flumineus




Geothelphusa dehaani (Japanese Freshwater Crab)
