Oxudercidae - Mudskippers

The Oxudercidae includes 86 genera, which contain around 600 species. This family has many species which occur in freshwater, and a number of species found on wet beaches and are able to live for a number of days out of water.

The family includes the mudskippers, which include species that are able to move over land quite quickly.

They have eyes located on the top of their heads on short stalks. They are capable of elevating or retracting them, and they can see well out of water.

One species, Gillichthys mirabilis, usually stays in the water, but surfaces to gulp air when the oxygen levels in the water are low; it holds the air in its buccopharynx, which is highly vacularised to facilitate respiratory exchange.