45/49
[ stop the slideshow ]

The walking-fish or mud-skipper (Periophthalmus)

Reduce slideshow speed Increase slideshow speed Do not repeat slideshow Previous Pause slideshow Next
The walking-fish or mud-skipper (Periophthalmus).jpg The oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairThumbnailsPalæomastodonThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairThumbnailsPalæomastodonThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairThumbnailsPalæomastodonThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairThumbnailsPalæomastodonThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairThumbnailsPalæomastodonThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairThumbnailsPalæomastodon

It skips about by means of its strong pectoral fins on the mud-flats; it jumps from stone to stone hunting small shore-animals; it climbs up the roots of the mangrove-trees. The close-set eyes protrude greatly and are very mobile. The tail seems to help in respiration.