The rare species is, I believe, the tentacled lagoon worm.
As to who is threatening it, delete as appropriate:
Coalition Government/Met Police/Al Quaida/The Tea Party/Militant Seahorses/Colonel Gaddaffi/Illegal Immigrants/The Banking Sector/Global Warming/Global Worming/MRSA/Bavaria Keels/Japanese Nuclear Radiation/Giant Knotweed/Scots Nats/Revolting Students/Rocna Anchors/Grey Squirrels/Binge Drinking/Charlie Sheen
Sounds as good an explanation as any to me.I just wish they would sort out who is doing all the threatening because at the moment I feel I am being tarred by the same brush.Life is a risk & you are the cause of it!
These "conservationists" are even onto a better wicket than weather people.They can never be wrong.There will always be something that they can latch onto.