Inspecting Tail Meat
The tails have the cuts in them so that the buyers can inspect the quality of the meat. Each carries a flashlight so they can clearly see.
Council Building
This is where the city council for Tokyo meets. Considering this city has a population pretty close to Canada, it's a significant place.
LAOX Building
The larger buildings (5->10 stories) are rarely have the best deals. This LAOX had terribly old/tacky merchandise on some floors, and a foreigner couple getting ripped off for a new Nikon F80 camera.
Entrance To Fish Market
This is the entrance to the larger fish market. You can see the carts that run through the market bringing boxes of fish out to the larger street trucks.
Ascidians - Halocynthia roretzi
The internet has come through - apparently they are ascidians - specifically Halocynthia roretzi. Ascidians are sea squirts — hermaphrodite marine invertebrates that live in shallow ocean waters, and which are thought to exhibit characteristics of the evolutionary ancestors of chordates and vertebrates.
(Thanks goes to Karen Sanamyan at ascidiacea.com/