A thief wearing only his underwear caught by CCTV breaks the floor to steal fish at a fish warehouse in Indonesia.

CCTV footage at the Plantar Anai fish warehouse in district Tanjungpinang Kota, Kepulauan Riau province, show the theft occurred on Thursday, March 25 at 02.00 a.m.

Perpetrator from under the warehouse floor seen trying hard to pry the floorboards.

Perpetrator with a flashlight and wearing only his underwear finally enter the warehouse, then took the fish that were stored in an ice box and put them in a sack.

After the sack was full of fish, the perpetrator carried the loot out of the warehouse through the floor where he entered.

Warehouse owner Sutaji said the theft in his warehouse was discovered an hour later, when he entered the warehouse to prepare to sell his fish to the market.

"I was surprised to see the fish box was messy and the fish in some of the boxes were gone," Sutaji added.

Sutaji checks the CCTV footage and sees that the fish are missing because they have been stolen by thieves.

The victim suspects that the perpetrator came to the bottom of the warehouse using a canoe, as under the warehouse is a seashore.

The theft of fish that occurred for the third time in his warehouse has lost Sutaji around 10 million rupiah or about 500 GBP.

The victim has reported this theft case to the Police.