A machete-wielding man became so enraged when a dog began barking at his smaller pup, he threatened to behead the larger canine — and slashed the owner’s fingers off, cops said.

A Bronx man hospitalized since Friday has had some of his fingers reattached after police say they were sliced off by a machete-wielding man. The victim's family is desperate for the suspect in the attack to be found and brought to justice.