A Houston man is behind bars Thursday, accused of offering up his dog for bestiality to an undercover police officer.

Three of his dogs believed to be used for bestiality were also seized.

The 31-year-old man, who has yet to be formally charged, was the target of an undercover sting by the Houston Police Department's major offenders and animal cruelty units, according to HPD spokesperson John Cannon.

BREAKING NEWS UPDATES: Get your Houston breaking news alerts delivered to you.

The man is accused of participating in several online forums surrounding the illegal act, which piqued the interest of investigators.

At some point during the investigation, the man offered up one of his dogs to the undercover officer and others, Cannon said.

RELATED LINKS: Ex-Harris County deputy sentenced for 'horrific' child porn, only on HoustonChronicle.com

Officers raided his home along Amherst Street in the Rice Village/West University Place area Wednesday morning, where they found the three dogs and other evidence, Cannon said.

The three dogs were taken to Houston's BARC Animal Shelter:

Bo, a four-year-old male German shepherd

Sayhass, a three-year-old male Jack Russell terrier

Mozzie, a two-year-old male brindle

The man was taken into custody at a relative's house about a mile away.

The three dogs are at Houston's BARC Animal Shelter, where they will receive medical care, according to BARC spokesperson Lara Cottingham.

Jay R. Jordan covers breaking news in the Houston area. Read him on our breaking news site, Chron.com, and our subscriber site, HoustonChronicle.com | Follow him on Twitter at @JayRJordan | Email him at jay.jordan@chron.com | Text CHRON to 77453 to receive breaking news alerts by text message