Despite the cold 6*C temperature but good 10m viz, Mike W and I saw a fish which we have never seen there before. As we descended from the Gresham to the 20m level but before we took off west to the APC, we saw a black bullhead fish (Millers thumb, Cottus Gobia). Or at least that’s what I think it is. However it normally lives in rivers.
I have emailed Stoney Cove for verification. On 29th December Stoney Cove emailed me to say there had been no previous sightings of bullheads. These normally live in gravelly bottom flowing rivers. So what else could it have been on the silty bottom. A baby catfish would look similar but that would be bad news. [It was a bullhead – Ed]