You can get it from local fish. The local fish can spread it killing all the fish which makes all of the local fish sick
No u can not
The disease you speak of is one of fish (finfish and shellfish). The causative agent is a dinoflagellate, Pfiesteria piscicida. This organism does not cause human disease.
Eating non-food products (such as raw flour) can be a sign of the eating disorder known as pica.
Eggs of a marine animal such as fish or sea urchins.