Doug Perrine / Threadfin butterflyfish (Chaetodon auriga) with Raccoon butterflyfish (Chaetodon lunula) in background, Kona, Hawaii, Pacific Ocean.
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Doug Perrine / Threadfin butterflyfish (Chaetodon auriga) school swimming over reef, South Kona, Hawaii, Pacific Ocean.
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Nick Garbutt / Greater hedgehog tenrec (Setifer setosus) on forest floor at night, Kirindy Forest, western Madagascar.
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Doug Perrine / Tiger shark (Galeocerdo cuvier) with remora or suckerfish clinging to flank, Bluefin trevally (Caranx melampygus), Racoon butterflyfish (Chaetodon lunula), Threadfin butterflyfish (Chaetodon auriga),...
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Doug Perrine / Tiger shark (Galeocerdo cuvier) with fish hook in corner of its mouth, swimming across coral reef populated with Racoon butterflyfish (Chaetodon lunula), Threadfin butterflyfish (Chaetodon auriga), Su...