Ervynck, A.

Maes, G.

Thieren, E.

Van Neer, W.

Volckaert, F.A.M.

Open Marine Archive

The former occurrence of sturgeon in the North Sea – The 
contribution of archaeozoology and ancient DNA  
Thieren Els1, Wim Van Neer1,2, Anton Ervynck4, Gregory Maes2 and Filip Volckaert2 
1 Royal Belgian Institute of Natural Sciences, Vautierstraat 29, 1000 Brussels, Belgium 
 E-mail: els.thieren@naturalsciences.be  
3 Laboratory of Animal Diversity and Systematics, KU Leuven, Charles Deberiotstraat 32,  
B-3000 Leuven, Belgium 
4 Flanders Heritage, Koning Albert II-laan 19, PO Box 5, B-1210 Brussels, Belgium 
 
Sturgeon was once widespread across Europe and occurred in all major European rivers. Today, this 
fish is extinct in most Western European countries, including the Low Countries and the UK. It was 
traditionally assumed that this extinct sturgeon species was the European sturgeon (Acipenser 
sturio Linnaeus 1758), since no other sturgeon species were believed to have ever occurred in 
Western Europe. However, recent archaeozoological and molecular research on modern museum 
specimens and sturgeon bones from archaeological sites, has indicated that, in the past, also the 
American Atlantic sturgeon (Acipenser oxyrinchus Mitchill 1815) occurred in several large river 
basins in France (Desse-Berset, 2009, 2011), Germany and Poland (Ludwig et al., 2002, 2009). This 
project aims at determining which sturgeon species historically occurred in the North Sea, more 
specifically in Belgium, the Netherlands and the United Kingdom. To this end, we are currently 
performing a combined morphological and genetic analysis on sturgeon remains from 
archaeological excavations in Belgium, the UK and the Netherlands, as well as on modern museum 
specimens. 
The morphological research aims at validating the criteria to distinguish A. sturio from 
A. oxyrinchus by the surface morphology of their scutes, formerly described by Magnin ( )1964  and 
applied by several other authors (Ludwig et al., 2002; Desse-Berset, 2009). Regarding the surface 
ornamentation of the scutes, the possible effects of the position of the scute on the body or size of 
the animal on the surface ornamentation of the scutes have never been verified. Therefore, 
sturgeon specimens in different European and North American museums are examined. Once valid 
criteria to distinguish the two species based upon isolated scutes are defined, species identification 
and size reconstruction will be done for archaeological sturgeon scutes.  
In a next step, the results of the morphological study on the archaeological material will be 
validated by means of mitochondrial DNA analysis on a selection of the archaeological specimens 
using ancient DNA techniques (paleogenetics). As hybridization could have occurred between both 
species (Tiedemann et al., 2007), nuclear DNA will also be analyzed to evaluate such possible 
scenario.   
 
 
References  
Desse-Berset N. 2009. First archaeozoological identification of Atlantic sturgeon 
(Acipenser oxyrinchus Mitchill 1815) in France. Comptes Rendus Palevol 8(8):717-724.  
Desse-Berset N. 2011. Ancient sturgeon populations in France through archaeozoological remains, 
from prehistoric time until the eighteenth century. p.91-116. In: Williot P., E. Rocard, N. Desse-
Berset, F. Kirschbaum and J. Gessner (Eds). Biology and Conservation of the European Sturgeon 
Acipenser sturio L. 1758. The Reunion of the European and Atlantic Sturgeons. Berlin 
Heidelberg. Springer Verlag. 
Ludwig A., L. Debus, D. Lieckfeldt, I. Wirgin, N. Benecke, I. Jenneckens, P. Williot, J.R. Waldman and 
C. Pitra. 2002. Fish populations: When the American sea sturgeon swam east. Nature 
419(6906):447-448.  
Ludwig A., D. Makowiecki and N. Benecke. 2009. Further evidence of trans-Atlantic colonization of 
Western Europe by American Atlantic sturgeons. Archaeofauna 18:185-192.  
Magnin E. 1964. Validité d’une distinction spécifique entre les deux acipenséridés: Acipenser 
sturio L. d’Europe et Acipenser oxyrhynchus d’Amérique du Nord. Le Naturaliste Canadien 
XCI(1):5-20.  
Tiedemann R., K. Moll, K. Paulus, M. Scheer, P. Williot, R. Bartel, J. Gessner and F. Kirschbaum. 2007. 
Atlantic sturgeons (Acipenser sturio, Acipenser oxyrinchus): American females successful in 
Europe. Naturwissenschaften 94(3):213-217. 
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The former occurrence of sturgeon in the North Sea: The contribution of archaeozoology and ancient DNA

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