Eulachon (Thaleichthys pacificus)

Illustration: Eulachon

Science projects

Ichthyoplankton surveys: Bongo nets & sampling methods
Fraser River egg-larval surveys: Stock assessments, 1995-2016
Offshore juvenile distribution, size and growth: 1995-2016
Eulachon and the Pacific Decadal Oscillation: 1995-2015

CSAS Documents and Stock Status Reports


Recovery Potential Assessment For Eulachon – Fraser River Designatable Unit. SAR 2015/002


Recovery Potential Assessment of Eulachon (Thaleichthys pacificus) in Canada. CSAS 2012/098
J. Schweigert, C. Wood, D. Hay, M. McAllister, J. Boldt, B. McCarter, T.W. Therriault, and H. Brekke


Information in Support of a Recovery Potential Assessment of Eulachon (Thaleichthys pacificus) in Canada. CSAS 2011/101
C.A. Levesque and T.W. Therriault


Fraser River Eulachon (Thaleichthys pacificus): 2007 Population Assessment and Harvest Recommendations for 2008. SAR 2007/048
T.W. Therriault


2006 Fraser River Eulachon (Thaleichthys pacificus): 2006 Population Assessment and Harvest Recommendations for 2007. SAR 2006/039
T.W. Therriault


2005 Using an eulachon indicator framework to provide advice on Fraser River harvest opportunities for 2006. CSAS 2005/077
T.W. Therriault and P.B. McCarter


2003 Indicators and 'response' points for management of Fraser River eulachon: a comparison and discussion with recommendations. CSAS 2003/051
D.E. Hay, K. West and A.D. Anderson


2002 Fraser River Eulachon Biomass Assessments and Spawning Distribution: 1995-2002. CSAS 2002/117
D.E. Hay, P.B. McCarter, R. Joy, M. Thompson and K. West


2000 Status of the eulachon Thaleichthys pacificus in Canada. CSAS 2000/145
D.E. Hay and P.B. McCarter

Estimated bycatch in the British Columbia shrimp trawl fishery. CSAS 2000/168
N. Olsen, J.A. Boutillier and L. Convey


1999 Catch composition of British Columbia shrimp trawls and preliminary estimates of bycatch - with emphasis on eulachons. CSAS 1999/26
D.E. Hay, R. Harbo, K. Southy, J.R. Clarke, G. Parker and P.B. McCarter

Distribution of spawning eulachon stocks in the central coast of British Columbia as indicated by larval surveys. CSAS 1999/177
P.B. McCarter and D.E. Hay

Assessment of by-catch in the 1997 and 1998 shrimp trawl fisheries in British Columbia, with emphasis on eulachons. CSAS 1999/179
D.E. Hay, R. Harbo, J. Boutillier, E. Wylie, L. Convey and P.B. McCarter

Eulachon Stock Status Report B6-06 (1999)
D. Hay and J. Boutillier

Other online publications

Population differentiation determined from putative neutral and divergent adaptive genetic markers in Eulachon (Thaleichthys pacificus, Osmeridae), an anadromous Pacific smelt 2015. Molecular Ecology Resources DOI: 10.1111/1755-0998 J.R. Candy, N.R. Campbell, M.H. Grinnell, T.D. Beacham, W.A. Larson and S.R. Narum

COSEWIC Status Report - Eulachon 2011. Committee on the Status of Endangered Wildlife in Canada. Ottawa.

Eulachon Past and Present 2008. MSc Thesis UBC. Moody, M.F.

Life history and age at maturity of an anadromous smelt, the eulachon Thaleichthys pacificus (Richardson) 2007. Journal of Fish Biology 71, 1479-1493 A.D. Clarke, A. Lewis, K.H. Telmer and J.M. Shrimpton

Stock identification of eulachon (Thaleichthys pacificus), an anadromous smelt in the eastern Pacific 2005. ICES CM Documents, International Council for the Exploration of the Sea. 2005/K:14  D.E. Hay and T.D. Beacham

Population Structure and Stock Identification of Eulachon (Thaleichthys pacificus), an Anadromous smelt, in the Pacific Northwest 2005. Marine Biotechnology Volume 7, 363:372 T.D. Beacham, D.E. Hay and K.D. Le

Availability to Stellar sea lions (Eumetopias jubatus) of a seasonal prey resource: a prespawning aggregation of eulachon (Thaleichthys pacificus) 2004. Can. J. Fish. Aquat. Sci. 61(8):1475-1484. Michael F. Sigler, Jamie N. Womble, and Johanna J. Vollenweider

Eulachon in the North Coast - Background Report 2001. BC Ministry of Sustainable Resource Management - Skeena Region. Denise Stoffels

Historic changes in capelin and eulachon populations in the Strait of Georgia 1998. In Back to the Future: Reconstructing the Strait of Georgia Ecosystem. D. Pauley, T. Pitcher and D. Preikshot (editors). University of B.C. Fisheries Centre Research Reports 6 (5) 42:44. D.E. Hay

The eulachon (Thaleichthys pacificus) as an indicator species in the North Pacific 1997. In Proceedings Forage Fishes in Marine Ecosystems. Alaska Sea Grant College Program AK-SG-97-01. D. Hay, J. Boutillier, M. Joyce and G. Langford.

Distribution and preliminary stock assessment (1993) of the eulachon Thaleichthys pacificus in the lower Kitimat River, British Columbia 1995. Can. MS Rept. Fish. Aquat. Sci. 2330  R.V.K. Pedersen, U.N. Orr and D.E. Hay

Eulachon Links