Mark S. Peterson, Ph.D.

Research Interests: Gulf Sturgeon

(with W.T. Slack, J-M. Havrylkoff, P. Grammer, P. Mickle)

Gulf sturgeon, Acipenser oxyrinchus desotoi, in the Pascagoula drainage, Mississippi: assessment of habitat and movement of the juvenile/subadult cohort and benthic resource availability.

Young Gulf sturgeon collected form the Pascagoula River. Note the black acoustic tag at base on median fin and orange spaghetti tag on left pectoral fin.

Young Gulf sturgeon collected form the Pascagoula River.
Note the black acoustic tag at base on median fin and
orange spaghetti tag on left pectoral fin.


Three adult Gulf sturgeon collected by Brian Bowen in the upper Pascagoula River.

Three adult Gulf sturgeon collected for tagging and release by Brian Bowen in the upper Pascagoula River.

Jeanne-Marie Havrylkoff with subadult Gulf sturgeon from the Pascagoula River.

Jeanne-Marie Havrylkoff with subadult Gulf sturgeon from the Pascagoula River.

Todd Slack with juvenile Gulf sturgeon form lower Pascagoula River.

Todd Slack with juvenile Gulf sturgeon form lower
Pascagoula River.

Paul Grammer holding a subadult (left) and a juvenile (right) Gulf sturgeon.

Paul Grammer holding a subadult (left) and a juvenile (right) Gulf sturgeon.

Paul Grammer holding a subadult (left) and a juvenile (right) Gulf sturgeon.

Paul Grammer and Jeanne-Marie Havrylkoff removing large sub-adult Gulf sturgeon from gill net.

Paul Grammer and Jeanne-Marie Havrylkoff removing large sub-adult Gulf sturgeon from gill net.

Jeanne-Marie Havrylkoff holding a juvenile Gulf sturgeon tagged (see black acoustic tag on dorsal fin & two external tags on each pectoral fin) at night.

Jeanne-Marie Havrylkoff holding a juvenile Gulf sturgeon tagged (see black acoustic tag on dorsal fin & two external tags on each pectoral fin) at night.