Dr Peter Richardson, of the Marine Conservation Society (MCS), said Wales' waters were currently "turtle heaven".

BBC: Leatherback turtle sightings up in west and north Wales

Species officer Peter Richardson said many sightings had already been received.

BBC: Lion's mane jellyfish

Obama also was quick to announce his economic team, which in addition to Richardson includes Timothy Geithner as treasury secretary, Larry Summers as chief of the National Economic Council and Peter Orszag as director of the Office of Management and Budget.

CNN: Obama still must fill key positions, possibly with Republicans