Answer: sardine

AnswerCrossword Clue
SARDINE

Small fish

SARDINE

Canned pilchard

SARDINE

Fish in oil

SARDINE
Fish in a tin
SARDINE
Piscine symbol of overcrowdedness
SARDINECertain rush hour commuter, metaphorically
SARDINECanned fish
SARDINEFish in a can
SARDINETightly-tinned fish
SARDINECramped fish
SARDINELittle fish
SARDINEOne in a tight spot?
SARDINELittle fish in a tin
SARDINEHerring family member
SARDINEFish delicacy.
SARDINEFormer Norwegian export to U. S.
SARDINEPilchard.
SARDINEYoung of the pilchard.
SARDINEImport from Portugal.
SARDINERelative of the herring.
SARDINEPilchard in oil.
SARDINESubway rider in rush hour.
SARDINEMember of the rush hour.
SARDINEFood fish.
SARDINESmall pilchard.
SARDINEYoung pilchard.
SARDINEKind of sandwich.
SARDINEHard-pressed passenger.
SARDINEPortuguese export.
SARDINEPilchard
SARDINESymbol of crowdedness
SARDINESymbol of tight packing
SARDINEFood fish
SARDINEPart of a smorgasbord
SARDINEYoung pilchard
SARDINEOne who's squeezed in
SARDINESubway rider during rush hour, metaphorically
SARDINERush-hour subway rider, metaphorically
SARDINERush-hour subway rider, facetiously
SARDINERush-hour subway rider, figuratively