There are 4 official FishTrace reference collections curated by: Muséum National d'Histoire Naturelle in Paris (MNHN), Natural History Museum in Stockholm (NRM), Museo de Ciencias Naturales de Tenerife (TFMC) and Museu Municipal do Funchal (História Natural - MMF).
The FishTrace reference collections in the Museums contain:
- Voucher specimens preserved in 70% ethanol or 4% formaline (larger specimens)
- Muscle tissues preserved in 70% ethanol and kept refrigerated
- Otoliths stored dry
- DNA samples preserved frozen