Answer: biter

AnswerCrossword Clue
BITER

Mosquito, e.g.

BITER

Watchdog, perhaps

BITER

Mosquito or gnat

BITER
Mad dog, e.g.
BITER
Churlish canine
BITERFemale mosquito
BITERFish that took the hook
BITERMean dog
BITERA barker never is this
BITERNipper
BITERCertain problem child
BITERDog, at times
BITERDangerous dog.
BITERSnappish dog.
BITERNipper.
BITERBait taker.
BITERNear-gone fish.
BITERA mosquito, for instance.
BITERCanine with active canines
BITERMean dog ... or a flea on a dog
BITERCanine-using canine?
BITERWord with nail or back
BITERIll-trained dog, perhaps
BITERNail-... (tense situation)
BITERJunkyard dog, most likely
BITERUnfriendly pet, perhaps
BITERVicious dog
BITERMean dog, maybe
BITERMean cur, typically
BITERJunkyard dog, probably
BITERPernicious pet
BITERCanine, e.g.
BITERSnake, for one
BITERMean mutt
BITERFlea or gnat
BITERDirty fighter
BITERDangerous dog
BITERWord after nail or ankle
BITERAggressive dog, perhaps
BITERDog, to a mailman's leg, perhaps