Max has thousands of followers across the world on social media but his owner is unable to find him.
Sgt Alex Southgate says reports of incidents have risen over the past two years.
Sam Gibbons says he will never forget seeing dolphins play around the boat.
Natural England's Species Recovery Programme will focus on the blue shark, porbeagle and tope.
The number of apprentice carpenters is falling, but one boatyard is bucking that trend.
Vitoria Figueiredo Barreto was reported missing after visiting a friend on 4 March.
Detectives say data could help them "pursue other significant lines" in search for Vitoria Barreto.
Police also believe a boat Vitoria Barreto may have taken is missing a buoyancy aid.
Police believe the last sighting of Vitoria Figueiredo Barreto was on CCTV just after midnight on 3 March in Brightlingsea.
