"He might be blue because people who train dogs for dog fights might have taken him to use for bait and they stain them blue," one viewer fearfully wrote.

The cat had likely been used as a chew toy for dogs, according to ABC 7 in California, and suffered a lot of injuries before being brought in.

Although the reason behind the cat's blue tint remains a mystery, the groomer raised concerns that the cat may have fallen victim to an act of abuse. A stock image of a cat with blue-stained fur.

Once the only blue dye in Europe, woad pigment made a fortune for the sun-rich Toulouse area during the Renaissance, when it also was called Toulouse’s Blue Gold.

Watch: Wildlife dyed blue in São Paulo chemical spill Brazilian authorities say they are investigating river contamination levels after a truck accident caused a chemical dye spill in São Paulo.

Tina Knowles' granddaughter is always up to help with a makeover. Tina, 71, was rocking new eyebrows courtesy of Blue Ivy Carter in a post shared via Instagram on Monday, April 14. In the clip ...

Two Honolulu Blue-themed pizza items are on the Library Street pizzeria’s menu in honor of the Detroit Lions. Mootz’s Honolulu Blue Pizza features its NYC pizza sauce, mozzarella, ham, bacon ...

The unusually colored cat has left some people baffled, although others have lashed out at those who might have used dye on the feline.

A "gender reveal" party in Brazil last month sparked an investigation after a local waterfall was dyed blue during a couple's celebration, according to authorities ...

Two Honolulu Blue-themed pizza items are on the Library Street pizzeria’s menu in honor of the Detroit Lions. Mootz’s Honolulu Blue Pizza features its NYC pizza sauce, mozzarella, ham, bacon ...