At least 69 adult crocodiles and six juvenileswere on the loose near the village of Peng Cun, CNN quoted the local SHai Bao News as saying in a report on Tuesday.
Local authorities have warned residents not to venture out, the outlet said.
An emergency force has been deployed to locate the missing reptiles using sonar detection equipment, according to The Beijing News.
But the depth of the floodwater is posing as an immense challenge to the operation, it added.
A member of the emergency squad told Nanfeng Plus that they may have to euthanise the crocodiles rather than capture them.
Photos and videos on social mediashowed some of the crocodiles lurking behind a road sign near a completely submerged road, CNN reported.
Several crocodiles were also seen being captured and brought back to land, with their mouths and limbs tied up to restrict movement.
In China, crocodiles are prized for their skin and the meat is believed to have medicinal value intraditional medicine.
Guangdong is a popular location for crocodile farms due to its relatively warmer climate.
--IANS
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