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Squid size comparison chart: Lycoteuthis springeri (10-12cm), Leachia atlantica (up to 12cm), Promachoteuthis sp. (up to 5cm), Batoteuthis scolops (up to 20cm).
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What is the Largest Squid? A Squid Size Comparison Chart

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Close-up photograph of a large red cuttlefish.
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Australian Giant Cuttlefish

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Researchers adopted the “yabbie pump,” the long silver tool shown here, from Australian fishing gear.
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Collecting Shallow-Water Specimens with the "Yabbie Pump"

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A decomposing sea star loses its grip on a rock.
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A Starfish Wasting Away

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two brittle stars in a tank
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Brittle Star Splits

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A close-up of tiny teeth on the common whelk's radula.
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A Snail's Rainbow Radula

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Mantis shrimp have built-in polarized vision to help them see underwater—and maybe even communicate.
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Built-in Underwater Polarized Lenses?

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“This image was captured during an evening dive in water where the largest migration on Earth occurs nightly. This miniscule squid was less than an inch long, transparent, and highly reflective, which made proper exposure extremely difficult. Over hundre
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Larval Squid, Coast of Kailua Kona, Hawaii, USA

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Two thorny seahorses sit back to back underwater.
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Seahorse Lovebirds

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This urchin (Echinocrepis rostrata) leaves tracks as it moves across the ocean floor.
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Deep-Sea Urchin

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Venus fly-trap anemone in the Gulf of Mexico
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Venus Fly-Trap Anemone in the Gulf of Mexico

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Arrow crabs are small, spider-like crabs that live on coral reefs.(CLICK IMAGE TO OPEN SLIDESHOW WITH MORE WINNING PHOTOS FROM THE CONTEST)
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Spiders from Mars

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