Is there any sea life in the Hudson River?

In the warmer months, you can find seahorses in the river's shallow water around piers and in grassy areas from Staten Island to the Tappan Zee Bridge in Westchester. Oysters were once plentiful in the mouth of the Hudson River. In 1911, records show a peak harvest of almost 25 million pounds!



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On the subject of nature, the region is home to more than 200 types of fish, 19 kinds of rare birds and 140 rare plants (one of which—the Hudson River water nymph—grows nowhere else on earth).

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Conservation priorities include: Brackish and freshwater tidal wetlands that provide essential habitat for diamondback terrapins, fiddler crabs, rails and killifish, river otter, turtles, bald eagles and other raptors, marsh wrens and herons, crayfish and dragonflies and blackbirds.

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Seahorses are found in temperate and tropical waters all over the world, including the Hudson River.

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In July, a shark is reported in the Hudson River off 42nd Street. Police as far north as Poughkeepsie are warned.

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Predators like blue crabs and sturgeons do eat zebra mussels, but have never been shown to control natural populations. Research on new control measures, including biological controls, is ongoing, but the changes we've seen to the Hudson's ecosystem probably are irreversible or at least long-lasting.

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Humpback whales, which were at one point endangered and rare in New York City ? due to pollution and decades of commercial whaling ? are becoming more and more common as the Hudson River Estuary has become healthier and cleaner.

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An estimated 100,000 people in the Hudson Valley rely on the Hudson for their drinking water.

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Geology. The Hudson is sometimes called, in geological terms, a drowned river. The rising sea levels after the retreat of the Wisconsin glaciation, the most recent ice age, have resulted in a marine incursion that drowned the coastal plain and brought salt water well above the mouth of the river.

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For Your Health- In 1976, the Upper Hudson River was closed to fishing due to extremely high amounts of polychlorinated biphenyls (PCBs) in fish. These levels posed a high risk of possible harmful health effects in humans. Since 1976, the manufacture of PCBs has been banned and their use phased out.

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The blue crab is a crustacean that is found in the Hudson River that is of ecological, recreational, and commercial importance. They have five pairs of legs, the first pair are modified as claws for eating and defense, while the last pair of legs are modified for use as swimming paddles.

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