Answer:

SARDINE

Answer	Crossword Clue
SARDINE	Small fish
SARDINE	Canned pilchard
SARDINE	Fish in oil

SARDINE	Fish in a tin
SARDINE	Piscine symbol of overcrowdedness
SARDINE	Certain rush hour commuter, metaphorically
SARDINE	Canned fish
SARDINE	Fish in a can
SARDINE	Tightly-tinned fish
SARDINE	Cramped fish
SARDINE	Little fish

SARDINE	One in a tight spot?
SARDINE	Little fish in a tin
SARDINE	Herring family member
SARDINE	Fish delicacy.
SARDINE	Former Norwegian export to U. S.
SARDINE	Pilchard.
SARDINE	Young of the pilchard.
SARDINE	Import from Portugal.

SARDINE	Relative of the herring.
SARDINE	Pilchard in oil.
SARDINE	Subway rider in rush hour.
SARDINE	Member of the rush hour.
SARDINE	Food fish.
SARDINE	Small pilchard.
SARDINE	Young pilchard.
SARDINE	Kind of sandwich.

SARDINE	Hard-pressed passenger.
SARDINE	Portuguese export.
SARDINE	Pilchard
SARDINE	Symbol of crowdedness
SARDINE	Symbol of tight packing
SARDINE	Food fish
SARDINE	Part of a smorgasbord
SARDINE	Young pilchard

SARDINE	One who's squeezed in
SARDINE	Subway rider during rush hour, metaphorically
SARDINE	Rush-hour subway rider, metaphorically
SARDINE	Rush-hour subway rider, facetiously
SARDINE	Rush-hour subway rider, figuratively