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Home Fun & Learning Children & Families Youth & Family Conservation Programs Sustainable Seafood
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Sustainable Seafood

Why?


Image Courtesy of NOAA Fisheries

What is the goal of sustainable seafood programs?

The objective is to make choices that encourage environmentally friendly fishing practices in order to sustain the ability to enjoy seafood for many years to come.  Consumers need to be aware because it us up to us to make sustainable choices.  The continuous growth of technology now allows fishermen to harvest marine life at an astounding efficiency.  Many different methods are used to capture and harvest marine organisms – and you’d be surprised as to how destructive some of them are.

The oceans are, and always have been, an important source of food for people.  They have supplied us for hundreds and hundreds of years; however in recent decades there have been sharp declines in the worldwide production of fisheries largely due to overfishing and increased demand.  Seafood is a common (and delicious!) component in the diet of many people, especially here in coastal New England.  It is this connection between humans and marine life that produces the need to practice consumer stewardship (being responsible for what we buy and what we consume).  The goal of making sustainable choices is fundamentally different than many other conservation concepts.  We want to save populations of fish – not only for their benefit, but for ours as well.  We want to continue the ability to use marine animals as a food source, and we also want to ensure the continuation of the many jobs and income that fishing operations have for many individuals, families, and communities.

Why Choose Sustainable?

By making sustainable choices, you as a consumer will be promoting a healthy marine ecosystem.  The idea here is NOT to convince people to eat less seafood.  We simply want to encourage responsibility and awareness as to what you choose to buy.  Destructive fishing practices have driven many species to dangerously low population levels and without our help, they may be lost forever.  But this is the good news: your choices can have a direct impact on shaping consumer demand and thus preserving the biodiversity of the oceans.

Ranking Sustainability


Image Courtesy of NOAA Fisheries

There are many different choices presented to us when buying seafood, and some choices you see are more environmentally friendly than others.  In fact, some are environmentally wasteful and destructive.  The measure of sustainability of a certain type of seafood is determined from the following criteria:

  • The species and origin – While this generally means what type of marine animal you are eating (salmon, shrimp, tuna, lobster, tilapia, scallops, etc.), many of these terms are general classifications and each often has different species/varieties all over the world (albacore vs. bluefin tuna, Atlantic vs. Pacific salmon, etc.).  These distinctions matter!  Knowing exactly what you are eating is essential to making good choices.
  • The abundance of the species – This is a vital piece of information when determining sustainability.  If the population of a given species is at low levels, it is not wise to heavily fish it, as you risk driving it extinct.
  • The life history of the species – This refers to the fact that the life cycle and behavior of the species can determine if a particular species is vulnerable to overfishing.  For example, consider the swordfish and the spiny dogfish.  Both are fish species that are commercially caught in the United States.  Although much larger, swordfish can reproduce at 4 years old whereas spiny dogfish grow slowly, and cannot reproduce until they are 12 years old.  Different animals reproduce and grow at different rates and some cannot recover from overfishing as well as others.
  • The method in which it’s caught. There are many different ways that marine life can be harvested, and some have harmful side effects.  Some methods catch and kill non-target species (bycatch) like sharks, marine mammals, seabirds, and sea turtles; some cause physical harm to habitat.  Bycatch is a large measure to sustainability, and it is also an area of intense scientific research.  Scientists are coming up with brilliant ways to prevent bycatch – such as sea turtle escape devices or specially shaped hooks and nets – and fisheries that use these special methods are more sustainable and ocean-friendly.  Today, a lot of seafood is harvested from aquatic farms and is entirely different – go to the “Aquaculture” tab to learn more!

Aquaculture


Image Courtesy of NOAA Fisheries

Aquaculture is a collective term for the practice of farming aquatic animals.  It can be used for a number of different purposes, but the main purpose is to raise aquatic animals for human consumption.  According to the Food and Agriculture Organization of the United Nations, world aquaculture production has increased from 584,000 tons in 1950 to 79 million tons in 2010!  This large increase in production is due to rising global population (increased demand) along with depleted wild stocks.

Many different types of organisms can be raised including freshwater fish, marine fish, shrimp, bivalves, and aquatic plants.  Animals can be raised in ocean pens, lakes, ponds, streams, indoor facilities, or a combination of locations.  You may think this is all well and good – farming lets wild animals prosper.  But not all aquaculture is beneficial for the marine environment!  Here is a brief outline of some of the effects of aquaculture:

Positive Effects

  • Aquaculture can relieve many wild populations of heavy fishing pressure.
  • Aquaculture facilities provide many people and communities with jobs and sources of income.
  • Research has shown that many shellfish aquaculture (mussels, oysters, clams) operations can help improve water quality because the animals filter the water.
  • Aquaculture can also be used to enhance wild stocks; the animals raised are never intended for human consumption – they are raised with the intent of release to the wild.
  • Raising fish in a controlled setting can reduce the impacts of harmful fishing effects such as bycatch, pollution, and habitat destruction.

Negative Effects

  • Keeping high densities of animals in a closed space increases prevalence of disease.  Although many operations have vaccination programs for diseases, not all are effective and diseases often adapt to become resistant, and thus more deadly.
  • Raising animals means you must feed them.  Fish eat other fish; so while aquaculture can relieve fishing pressure off of some fish, it increases fishing on other ecologically important species like anchovies and krill.
  • Animals can escape and invade local habitats.
  • Nutrient loading from animal waste and fish feed can cause harmful algal blooms.
  • Because of the less diverse diet of farmed fish, some say they taste inferior to wild fish.

The bottom line: “farmed” is not always better.  Consult the "Guides" tab in order to check which animals are farmed in a sustainable way.

Guides


Image Courtesy of NOAA Fisheries

If you look carefully at labels of seafood, you will see most of the information you need to know to determine sustainability – whether it is farmed or wild-caught, the type of animal, and the location that it was caught/farmed.  However, now you need to know on an individual species level, how the criteria meet each choice.  This is where guides come in.

The following links all direct you to certified guides from reputable conservation organizations that are able to assist you in knowing which animals are better wild-caught, which ones are better farmed, and which ones to avoid altogether.  The pocket guides can be printed out and stored in your purse/wallet, and the comprehensive guides give further information about the aspects of each choice and why it is deemed sustainable or not.  For those that enjoy the convenience of sustainable seafood guides on your smartphone, download Monterey Bay Aquarium’s Seafood Watch App!

These guides make it easy to see if your favorites are sustainable choices!  If you find your favorites to be unsustainable, don’t panic!  The guides direct you to suitable, similar tasting alternatives!

Printable Pocket Guides
Blue Ocean Institute Ocean Friendly Seafood Guide
Monterey Bay Aquarium Seafood Watch Northeast Pocket Guide

Comprehensive Guides
National Oceanographic and Atmospheric Administration (NOAA) Fishwatch
Environmental Defense Fund (EDF) Complete Seafood Eco-Ratings
Monterey Bay Aquarium Seafood Watch – Seafood Search
Blue Ocean Institute Complete Searchable Seafood Guide

Mobile Phone Solutions
Monterey Bay Aquarium Android and iPhone Seafood Watch App
EDF To-Go Seafood and Sushi Selections


Videos/Links

Videos

Have a look at this video, produced by NOAA, that tells you a little more about finfish farming – how it’s done, environmental impacts, and some ways experts are reducing these impacts.
NOAA – “Fish on a Farm”

This video, part of Monterey Bay Aquarium’s Seafood Watch Program, tells you how to use their guides, and how your everyday choices make a difference.
MBA – Your Choices Matter

Check out this great video to find out a little more about how mussel aquaculture (one of the more sustainable types of aquaculture) works!
NOAA – “Building Good Mussels”

Check out a new way of commercial tuna fishing – pole and line!  This method differs from seines and longlines in that it reduces bycatch and has less risk for overharvest!
BBC – South Pacific Tuna Fishing

Have a look at Greenpeace International’s short documentary about fishing methods and the commitment of certain retailers to only sell sustainably caught seafood.
Greenpeace – “From Sea to Shelf-Fisheries For the Future”

This video details the impacts of longline fishing in the Gulf of Mexico.  Learn how this inefficient, wasteful fishing gear hurts the economy and the environment!
Pew Charitable Trust – Surface Longlining in the Gulf of Mexico

Links

These two links direct you to NOAA’s websites regarding the Fisheries Service and the aquaculture page.  These sites are packed with interesting information, videos, and more– check ‘em out!
NOAA Fisheries Service
NOAA Aquaculture

The Cod fishery collapse in Newfoundland in 1992 put 40,000 people out of work and destroyed a thriving biological community.  Check out more about this disaster and how it served as a lesson to the world to practice sustainability:
http://news.bbc.co.uk/2/hi/science/nature/2580733.stm

Check out this publication, written by Mystic Aquarium's own Dr. Peter Auster!

 

Program Registration

Advance registration is required for all programs. To inquire about one of our programs, please complete our online Program Registration Form. After you complete the form, a staff member will contact you to obtain payment and finalize your reservation.

 

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