Aquarium Trade, Pollution Causing Problems for Nemo and Friends

The Center for Biological Diversity filed a formal petition today with the National Marine Fisheries Service seeking Endangered Species Act protection for the orange clownfish — star of the movie Finding Nemo — and seven similarly coral-dependent damselfish threatened by climate change, ocean acidification and the marine aquarium trade.

“We risk losing the striking fish that inspired Finding Nemo forever if we don’t put the brakes on global warming and ocean acidification,” said Shaye Wolf, director of the Center for Biological Diversity. “Carbon pollution harms these fish and destroys their coral reef homes. If we want these beautiful animals to survive in the wild, not just in a movie, we have to protect them under the Endangered Species Act.”

Clownfish and damselfish are at risk from ocean acidification — caused by the oceans’ absorption of man-made carbon dioxide pollution — which damages their hearing, sight, and smell, said Ms. Wolf. Ocean acidification interferes with the ability of young fish to avoid predators and find their coral reef homes.

Ocean acidification and warming also threaten to destroy the coral reef habitat of clownfish and damselfish. Scientists have warned that coral reefs are likely to be the first worldwide ecosystem to collapse due to global warming. Ocean warming is both destroying the coral reef habitat and slowing its growth, argues the Center for Biological Diversity.

“Coral reefs are the rainforests of the ocean, but carbon pollution will bulldoze their biodiversity,” Ms. Wolf said in a press release. “The longer we wait to provide Endangered Species Act protection and reduce the greenhouse gases harming reef fish and destroying their homes, the harder it’s going to be to save these unique creatures.”

The orange clownfish and damselfish may also face threats from the global marine aquarium trade. The United States is the world’s largest importer of ornamental marine fish, and damselfish and anemonefish are by far the most commonly traded species. Studies indicate that the orange clownfish and black-axil chromis damselfish are suffering population declines in the wild because of overharvesting for the aquarium trade.

A further issue is that the coral itself is being harvested for aquarium use. A study published in May of this year in the journal Plos One estimates that the marine aquarium trade targets “over 150 species of stony corals, hundreds of species of non-coral invertebrates, and at least 1,472 reef fish species from 50 families.”

The reef fish in the petition include the orange clownfish, which spends nearly its entire life protected within anemones on coral reefs, and seven species of damselfish that occur in U.S. waters and depend on branching corals particularly vulnerable to climate change threats.

Those fish are: yellowtail damselfish, Hawaiian dascyllus, blue-eye damselfish, black-axil chromis, Dick’s damselfish, reticulated damselfish, and blue-green damselfish. See photos of these beautiful fish, below.
nggallery id=’127971′

  • Orange Clownfish 1 of 10
    Orange Clownfish
    As you probably know from watching Finding Nemo eleventy million times, orange clownfish, also called anemonefish, are specialized coral reef fish that live within host anemones and are found in warmer waters in the Pacific Ocean, Indian Ocean, off northwest Australia, southeast Asia and Japan.

    (Photo Credit: G.R. Allen)
  • Blue-Green Damselfish 2 of 10
    Blue-Green Damselfish
    Blue-green damselfish live in the Indo-Pacific, including U.S. territorial waters in American Samoa and the Northern Mariana Islands.

    (Photo Credit: Paul and Jill / Flickr)
  • Hawaiian Dascyllus 3 of 10
    Hawaiian Dascyllus
    The Hawaiian dascyllus is found around the Hawaiian Islands and Johnston Island.

    (Photo Credit: USFWS Pacific)
  • Hawaiian Dascyllus 4 of 10
    Hawaiian Dascyllus
    A close-up of a Hawaiian dascyllus, also known as the white-spotted damselfish.

    (Photo Credit: Dan Birchall/Wikimedia Commons)
  • Yellowtail Damselfish 5 of 10
    Yellowtail Damselfish
    The yellowtail damselfish is found in the waters off Florida, the U.S. Virgin Islands, Puerto Rico, and the Caribbean.

    (Photo Credit: aquarist.me / Flickr)
  • Dick’s Damsel 6 of 10
    Dick's Damsel
    Dick's damelfish are are found in the Indo-Pacific waters. This fish wins the prize for toughest-sounding nicknames, also going by Farmer Damsels, Blackbar Devil, Narrowbar Damsel, Narrow Bar Devil, Dick's Demoiselle, Dick's Damselfish, and Dick's Devil.

    (Photo Credit: Paul and Jill / Flickr)
  • Reticulated Damselfish 7 of 10
    Reticulated Damselfish
    This fish from the Indo-Pacific is often recommended for novice salt water aquarium keepers. That may change if the species becomes protected.

    (Photo Credit: Nick Hobgood / Wikimedia Commons)
  • Black-Axil Chromis 8 of 10
    Black-Axil Chromis
    Another Indo-Pacific fish, the black-axil chromis is differentiated from the blue-green damsel by a black blotch at the base of the pectoral fin.

    (Photo Credit: Matthias Kleine / Wikimedia Commons)
  • Just keep swimming… 9 of 10
    Just keep swimming...
    Swim, little Nemo! Here comes the dentist!

    (Photo Credit: Jeff Kubina / Flickr)
  • Noooooo! 10 of 10
    Noooooo!
    Turns out that dentist has been taking way too many clownfish and damselfish, unfortunately.

    (Photo Credit: Disney)

Read more from Joslyn at Strollerderby and at her blog, stark. raving. mad. mommy. You can also follow her on Facebook and Twitter.

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