They may not be the only fish in the sea, but there is a whole carnival dedicated to crayfish in China.
On Tuesday, these children dressed in crayfish costumes performed at the opening ceremony of the crayfish festival in Xuyi, Jiangsu province, China.
The festival is being held in Jianli county - China's top county in terms of crayfish production.
The event will include crayfish competitions, trade fairs and related seminars, according to its organiser.
Various e-commerce platforms will also sign deals with the county government to cash in on the crayfish business during the festival.
The crayfish cultivation area in Jianli county will exceed 70,000ha this year, with more than 130,000 tonnes of crayfish to be produced, said the county government.
China is the world's largest crayfish producer, according to a report produced last year by the then Ministry of Agriculture, now known as the Ministry of Agriculture and Rural Affairs.
Its output rocketed to 852,300 tonnes in 2016 from 265,500 tonnes in 2007.