Pasadena Police Department spokesman Vance Mitchell said the couple argued about the jewelry and the woman went to the man's home after he refused to return the items and took seven goldfish, the Houston Chronicle reported Wednesday.
Mitchell said the man called police and officers went to the woman's home to attempt to return the fish.
"She said, 'They're in there,' and pointed to the kitchen," Mitchell said.
He said police found four of the fish fried on a plate and the woman told them she had already eaten the other three. Officers determined the fish were community property because they had been purchased while the couple lived together.
"There was nothing we could do," Mitchell said. "If he wants to pursue it, it's a civil case."