Abstract
FishTrace is a genetic catalogue for species identification associated to reference collections of taxonomically identified vouchers from more than 200 commercial marine fish species. The main purpose of the genetic catalogue is to enable reliable species identification for research purposes as well as in support of traceability schemes under the remit of food and feed laws. A major asset of FishTrace is that all genetic data are linked to biological collections of vouchers, that is the fish specimen that have been identified genetically have, at the same time, been identified by taxonomists and are stored and curated by natural history museums. This opens the potential for future applications related to fish species authenticity tests, also in a legal context, and associated biological research. The genetic catalogue, which contains molecular data together with detailed information on sampling and geographical origin, is publically accessible on the web site of the project.Database URL https://fishtrace.jrc.ec.europa.eu
Highlights
IntroductionInformation on the different collections is available online on the web site of the project along with the identification codes for specimens, tissues, DNA samples and otoliths that can be used to request the samples from the curators of the collections
The rationale of FishTrace was the prevailing lack of readily available species identification tools, based on reliable references, that are required in fisheries management, biological and ecological research and in traceability schemes underlying legal frameworks concerned with seafood safety [reviewed in Hofherr et al [1]]
The FishTrace genetic catalogue presented here, is a genetic database where every DNA sequence identifying a species is unambiguously linked to a voucher that is independently identified by taxonomists and curated by natural museums
Summary
Information on the different collections is available online on the web site of the project along with the identification codes for specimens, tissues, DNA samples and otoliths that can be used to request the samples from the curators of the collections. It includes the complete cytochrome b and rhodopsin sequences with links to the PCR conditions used. On the ‘Collections’ pages (Figure 6) it is possible to filter the data on genus, species and on the museum hosting the biological collection or to search a collection item using the FishTrace code of its associated sample. The download functionality by default applies on all the data visualized; in order to download only a subset of the data, it is necessary to select (with the mouse and the Ctrl key) the rows of interest before clicking the ‘Download’ button
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