The present results appear to indicate, for acute poisoning, a detoxification-dependent effect from methylmercury only for the behavior of opening the gill covers
. When the detoxification times are compared with each other for the other analyzed variables, we observe an effect from detoxification from the substance.
Wearing a glove, the fingers should be gently put inside a gill cover
until you reach the gristly jaw bone where there are no teeth.
As we pulled into the area, before we could get a cast in, the fish surfaced 40 feet from the boat, its head out just beyond its gill covers
. It proceeded to swim in a semi-circle for about 20 feet, it's jaws clacking together several times as it went, before slipping back below the surface.
inscriptus appear first on the bones of the gill covers
at about 200 mm.
Which is why it's so dramatic when such essential pride of place is used by one critic (Gill covers
TV and restaurants) to take aim at his colleagues.