Thomas Peschakのインスタグラム(thomaspeschak) - 1月11日 23時06分

... and this is how you determine the size of a whale shark using only a tape measure! In Hanifaru Bay whale sharks sometimes swim slow enough for scientists to measure these ocean giants the old-school way.... plus I have included a manta ray in the frame for extra scale :-) @mantatrust #whaleshark #sharkscience #nature #conservation

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