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Seagrasses don't just provide shelter for free-swimming animals, but also are a habitat for non-moving organisms, such as these sea anemones.
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Anemone on Seagrass Blade

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Crown of Thorns Starfish in the Marianas Islands
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Crown of Thorns Starfish

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Photograph of many tiny transparent larval squid surrounding the head of a dissecting pin.
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Squid Babies

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An adult giant squid battles its only known predator - a sperm whale.
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Battle with a Sperm Whale

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Chrysaora melanaster is a jellyfish found in the Arctic.
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Arctic Sea Jelly

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Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.
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How Coastal Seagrass Feeds the Deep

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an oyster reef at low tide
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Oysters as a Keystone Species in the Chesapeake Bay

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A female (top left) and male Photerus annecohenae. Note that females are larger than males (sexual dimorphism) and that males have bigger eyes.
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You Light Up My World!

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Hundreds of illustrated red crabs gathering on sand with Santa hats.
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Here Comes Santa Claws

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Corallimorpharian
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Soft Coral Close-Up

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Diagram showing gills on a crab absorbing nutrients
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Crab Gills Absorb Nutrients

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A live coral polyp with turquoise tissue and brown tentacles closes its mouth (the slit at the center of the radiating ribs) tight.
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Closed-Mouth Coral

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