Mark S. Peterson, Ph.D.

Research Interests:
Ecology and Impact of Non-Native Cichlid Fishes and Decapods in Coastal Marsh Ecosystems

(With W. T. Slack.)

Below find early images of our work on invasive Nile tilapia (Oreochromis niloticus) and the freshwater prawn (Macrobrachium rosenbergii) - specifically, sampling gear, sample habitat, larval Nile tilapia and freshwater prawns in coastal Mississippi drainages.

Nile tilapia (Oreochromis niloticus)

Nile tilapia (Oreochromis niloticus)


Freshwater prawn (Macrobrachium rosenbergii)

Freshwater prawn (Macrobrachium rosenbergii)

   

Nile tilapia larvae (Oreochromis niloticus)

Nile tilapia larvae (Oreochromis niloticus)

Gill net set in small bayou off Simmons Bayou sampling for Nile tilapia.

Gill net set in small bayou off Simmons Bayou
sampling for Nile tilapia.

Todd Slack and Ches Vervaeke working a seine  net with small Nile tilapia in a tributary of the upper Pascagoula River.

Todd Slack and Ches Vervaeke working a seine
net with small Nile tilapia in a tributary of the
upper Pascagoula River.

Habitat where Nile tilapia have been collected in the upper Pascagoula River.

Habitat where Nile tilapia have been collected
in the upper Pascagoula River.