Received: 18 May 2017 | Accepted: 16 June 2017 DOI: 10.1111/jai.13563 STURGEON PAPER Sturgeon and paddlefish life history and management: Experts’ knowledge and beliefs I. Jarić1,2,3 | C. Riepe1,4 | J. Gessner1 1Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany Summary 2Biology Centre of the Czech Academy of Although sturgeons and paddlefish represent a highly endangered species group, Sciences, Institute of Hydrobiology, České knowledge regarding their ecology, life history and management and restoration Budějovice, Czech Republic measures still reveals substantial gaps and uncertainties. As such, it was hypothesized 3Institute for Multidisciplinary Research, University of Belgrade, Belgrade, that the information on overall experiences and perspectives of researchers working Serbia in the field would provide a good indication of the state of knowledge, and help iden- 4Thünen-Institute of Baltic Sea Fisheries, Rostock, Germany tify areas for further investigation. To gain in- depth insight into their perspectives on a variety of topics related to sturgeon life history, management and conservation, as Correspondence Ivan Jarić, Biology Centre of the Czech well as opinions on issues characterized by a lack of data, a worldwide online survey Academy of Sciences, Institute of was conducted among scientists specializing in sturgeon and paddlefish research. Hydrobiology, České Budějovice, Czech Republic. With a total of 277 respondents, the response rate was good (40.3% of those invited). Email:
[email protected];
[email protected] The survey results indicated a high level of uncertainty with regard to various aspects of sturgeon life history, such as spawning migrations, reproduction and senescence. Responses differed largely with the origin and the research focus of the participants.