The tourist industry could be boosted by a new marine survey off Devon and Cornwall, scientists say.
A Falmouth-based company operates whale watching trips
The Marine Conservation Society (MCS) is to count the number of turtles, basking sharks, dolphins, porpoises and jellyfish blooms off the coast.
It will then pass the information to people running sea safaris for tourists to help them find the creatures.
The three-year survey will cover the sea up to 12 miles off the region's coastline.
The MCS said it hoped the more tourists who see the animals in their natural environment, the more interest there will be in preserving them.
The society is looking for a pilot and an aeroplane to help with the survey.
Two years ago Orca Sea-Faris based in Falmouth received a cash investment by Finance Cornwall and the Cornwall Business Enterprise Fund to operate educational whale and dolphin spotting trips.