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'Reptile rodeo' aimed at saving rare turtle

A challenging operation is underway in Moreton Bay where scientists are wrangling sea turtles in what they describe as a reptile rodeo.

It's the first insight into how the creatures have recovered, since last year's floods.

Up to 200 shy, elusive green and loggerhead turtles will be examined, weighed and measured by Friday.

These rare creatures survive on sea grass - food that was buried under a layer of silt following last year's floods.

It will be the first insight into how the already endangered sea animals have recovered, with the majority of those already examined in perfect health.

Moreton Bay is a vital feeding ground for more than 20-thousand turtles. It's the only place on the planet, a large population exists so close to a major city.

"Probably the strongest sea grass I’ve seen in a while, I suppose it’s one of the benefits a flood brings," David Kreutz of Ocean Watch Australia says.

Despite enforced zones to slow boats in the area down, life-threatening injuries are common.

"Boat striking is still one of the largest causes of deaths of turtles in Moreton Bay, from human-related causes," Chief Scientist Dr Col Limpus said.