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The walking-fish or mud-skipper (Periophthalmus)

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 TraquairMiniaturesPterichthys, the Wing FishThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairMiniaturesPterichthys, the Wing FishThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairMiniaturesPterichthys, the Wing FishThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairMiniaturesPterichthys, the Wing FishThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairMiniaturesPterichthys, the Wing FishThe oldest fossil fish known—discovered in the Upper Silurian strata of Scotland, and named Birkenia by Professor TraquairMiniaturesPterichthys, the Wing Fish
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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.

Auteur
The Project Gutenberg EBook of The Outline of Science, Vol. 1 (of 4), by J. Arthur Thomson
Published in 1922
Available from gutenberg.org
Dimensions
1200*878
Mots-clés
Fish, Prehistoric
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