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:::導覽列圖示(表示起始)PATH { HOMERight ArrowThe Seafood 5-Stars Rating System } 生物依星等快速選單
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海鮮採購指南::: 五星等評等說明海鮮採購指南
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How the system is established

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⊕ How species are selected for rating
Species that are selected to be rated by the Seafood Choice program are those (1) with higher annual production value or yield, (2) that are common in the market, and (3) with ecological value. Species selected for rating are either captured or from farming.
Those that are captured include slipper lobster, coral crab, swimming crab, swordtip squid, areola babylon, saury, hairtail, Japanese butterfish, spaniard, threadfin, yellow seabream, white pomfret, blue-barred orange parrotfish, and red coral trout.
Aquaculture species include Kuruma shrimp, sand shrimp, grass shrimp, red crab, small abalone, oyster, hard clam, mullet, tilapia, milkfish, eel, grouper, perch, cobia, and black seabream.

⊕ How the "Criteria for Rating Taiwanese Seafood" is created
Following the criteria established by the Seafood Watch, the Committee creates the criteria by making changes in accordance with the seafood resources in Taiwan. The criteria are elaborated as follows:

[1] Criteria for Rating Captured Species
Item Description
Sizes Sizes of capture individuals illustrate how the species population changes; smaller ones in capture indicate the growing proportion of immature individuals captured, and thus reducing the population of the entire species.
Age of sexual maturity The longer it takes for a species to reach its sexual maturity, the less chances it would have to get recovered. Hence, recommended seafood should be those with younger age of sexual maturity.
Current habitat situation Habitat is among the consideration; a damaged habitat brings impact to the whole species.
Current capture situation Reasonable fishery regulates a stable resource of one species; otherwise, its number would be reduced and damaged.
By-catch By-catch refers to unwanted fish and other animals caught in fishing gear meant for other species. This is a waste and threat to the by-catch species.
Fishing methods and gear Some of the fishing methods and fishing gear undermine ecosystem.
Whether they are Coral reef fish Coral reef is a sensitive, fragile, and complicated ecosystem; the reducing population does harm to the species as well as to the coral reef ecosystem.

[2] Criteria for Rating Farm-raised Species
Item Description
Baits Using fish powder and fish oil as main ingredients in baits not only kills other fishes in the ocean, but also exhausts marine life.
Risk of farming species escaping to the wild Escape species may destroy the balance of wild animals.
Diseases or parasites contaminating wild environment Contamination in wild by farming animals'diseases or parasites influence individual's survival and species' population.
Farming water source In Taiwan, many aquaculture ponds withdraw groundwater as fresh water source, and cause groundwater level lowering, land subsidence, sea water intrusion, and so on.
100% from farming? Complete artificial culture from fertilization to maturity helps reserve wild population.


The 5-Stars Rating System

  The "Criteria for Rating Taiwanese Seafood" is converted into a 5-stars rating system. Every species has its own star number, and more the number of stars indicate the consumption of the fish is friendlier to the ocean. In other words, consuming more fish rated with more stars means higher environmental contribution to the ocean because the capture or aquaculture of such fish does less harm to the environment. You are taking actions to conserve and sustain the ocean in your daily life!


Consulting members

  The Committee of Seafood Choices is formed by six prestigious scholars and experts in Taiwan.
Name Title
Dr. Keryea Soong Professor in Institute of Marine Biology, National Sun Yat-Sen University
Dr. Chia-Hui Wang Assistant Professor in Institute of Biodiversity, National Cheng Kung University
Dr. Ying-Chou Lee Associate Professor in Institute of Fisheries Science, National Taiwan University
Dr. Chiu Yuh-Wen Assistant Professor in Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University
Dr. Yung-Song Chen Assistant Professor in Institute of Bio-technology, National I-lan University
Dr. Shou-Chung Huang Post-Doctoral Researcher in Research Center for Bio-diversity, Academia Sinica

 
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