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This article is an extension of previous work on tilapia in the US market (Norman-López and Asche 2008). This study investigates the degree of market integration between fresh farmed tilapia fillets and fresh fillets of farmed catfish, wild sea dab, wild blackback flounder, and wild whole fresh red snapper in the US market. The literature suggests farmed and wild fish of alternative species do not compete. However, this may be changing as new farmed species are introduced to new markets. The results indicate no relationship between prices of fresh tilapia and catfish. Hence, there is no evidence that fresh tilapia fillets compete in the same market as catfish fillets. Conversely, fresh farmed tilapia fillets compete with wild whole red snapper, wild fresh fillets of sea dab, and blackback flounder. The implications are important for managing these overexploited wild fish species, as prices will most likely decline with increased imports of fresh tilapia fillets. This could lead to lower investments in fishing fleets and a reduction in fishing effort over time. [ABSTRACT FROM AUTHOR]

Tilapia is one of the fastest growing aquaculture species in the world. It is produced and consumed in all continents and in more countries than most other species, making the market more heterogeneous than for other successful aquaculture species such as salmon and shrimp. This paper investigates the degree of market integration between tilapia from the three largest production regions, Asia, Africa and South and Central America. We consider differences in the production methods, transport costs and qualities of these regions and determine whether tilapia products from different producers can essentially be considered the “same” product. This is important if the rapid worldwide development of farmed tilapia and its future development prospects are to be better understood. [ABSTRACT FROM AUTHOR]

This paper investigates the competition between domestic catfish fillets and imported tilapia fillets in the US market. The market segmentation between fresh and frozen fillets of both species is also considered. The substitutability between catfish and tilapia is of interest because market reports have recently suggested that the rapid increase in tilapia imports in the last few years is the result of tilapia taking market share from domestically produced catfish. The competition between fresh and frozen fillets of catfish and tilapia imports in the same market is examined using market integration and demand analysis. The results indicate that imports of fresh and frozen tilapia fillets lie in different market segments, while fresh and frozen catfish fillets compete in the same market. Furthermore, fresh and frozen fillets of catfish and tilapia imports do not compete in the same market. [ABSTRACT FROM AUTHOR]