Tetrodotoxin found in the dead dogs' vomit and in a sea slug sample taken from Narrow Neck Beach.

An expert on sea slugs doubts they are to blame for killing dogs, saying the slugs themselves are probably victims.

Paul Henry's suggestion that Moko the Mahia dolphin be shot has not surprised local residents who say he's an idiot who speaks without thinking.

Scientists have proved that slugs found on an Auckland beach are toxic but have not established what they have eaten to make them poisonous.

Test results due back today may point scientists towards the cause of the mystery illness or illnesses affecting dogs and wildlife in the Hauraki Gulf.

Personal ads for pets are taking off in NZ.

Water sports have been cancelled and fishermen warned to stay off the entire Hauraki Gulf this weekend.