Fish for Christmas!

To be exact: a Yellow Reef Goby! Now the water chemistry of our marine tank has stabilised, we thought it was time to add a bit of movement, in the form of a colourful fish or two. In a small volume of water, it's not a good idea to introduce large or numerous vertebrates: they'd soon overload the bio-filter's capacity. This little Goby, however, should be fine, and is a most amusing individual - he already swims up to accept food from a pair of forceps.