Expert topic: wreckfish

Álvarez-Blázquez, Blanca; Rodríguez Villanueva, J.L.; Pérez Rial, E.; Peleteiro-Alonso, José Benito; Mulonas, C.C.; Oaoadaju, M.; Fakriadis, Ioannis; Robles, Rafael; Linares, F

Expert topic: wreckfish

2019

Following the series of articles published on the fish species included in the EU-funded DIVERSIFY project (see April, May, June, July and October issues of International Aquafeed), which ran between 2013 and 2018, we present here the wreckfish (Polyprion americanus), which was the most challenging species in the project. The wreckfish is one of the largest Polyprionidae species, reaching a size of 100kg. It is a deep-water fish (100-to-1000m) found almost throughout the world and is characterised by an extended pelagic juvenile phase (Ball et al., 2000; Sedberry et al., 1999). It is one of the most interesting new species for aquaculture, due to its fast growth (Suquet & La Pomélie, 2002; Rodriguez-Villanueva et al., 2011), late reproductive maturation, high market price and limited fisheries landings and easy handling in captivity with no mortality recorded during the DIVERSIFY trials (Papandroulakis et al., 2008). Its large size makes it appropriate for processing and development of value-added products, which could be of interest for the EU market.

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