Post on 24-Feb-2016
description
Research in Stickleback Fish
benthic
limnetic
MALES FEMALES
What’s different between the species?
Limnetic Fish Benthic FishSize Smaller Larger
Shape Slim-bodied Deep-bodied
Male breeding color Blue & Red Black
benthic
limnetic
Limnetic Fish Benthic FishSize Smaller Larger
Shape Slim-bodied Deep-bodied
Male breeding color Blue & Red Black
Prey Plankton Worms & Insects
Feeding habitat Open water Lake bottom
Limnetic Fish Benthic FishSize Smaller Larger
Shape Slim-bodied Deep-bodied
Male breeding color Blue & Red Black
Prey Plankton Worms & Insects
Feeding habitat Open water Lake bottom
Limnetic Fish Benthic FishSize Smaller Larger
Shape Slim-bodied Deep-bodied
Male breeding color Blue & Red Black
Prey Plankton Worms & Insects
Feeding habitat Open water Lake bottom
Limnetic Fish Benthic FishPrey Plankton Worms & Insects
Feeding habitat Open water Lake bottom
Size Smaller Larger
Shape Slim-bodied Deep-bodied
Male breeding color Blue & Red Black
Breeding habitat Open, Shallow Vegetation, Deeper
Females search for mates in specific habitats-Limnetic females search for limnetic males in
open habitat- Benthic females search for benthic males in
vegetated habitat
When vegetation is present . . .
Limnetic Fish Benthic Fish
Prey Plankton Worms & Insects
Feeding habitat Open water Lake bottom
Size Smaller Larger
Shape Slim-bodied Deep-bodied
Male breeding color Blue & Red Black
Breeding habitat Open, Shallow Vegetation, Deeper
If all the vegetation is lost, what might change?
When vegetation is present . . .
Limnetic Fish Benthic Fish
Prey Plankton Worms & Insects
Feeding habitat Open water Lake bottom
Size Smaller Larger
Shape Slim-bodied Deep-bodied
Male breeding color Blue & Red Black
Breeding habitat Open, Shallow Vegetation, Deeper
If all the vegetation is lost, what might change?
Questions:
1) Where will benthic and limnetic males nest?
2) How will benthic and limnetic females find mates if vegetation is missing?
Questions:
1) Where will benthic and limnetic males nest?
2) How will benthic and limnetic females find mates if vegetation is missing?
Where will limnetic males and benthic males build their nests?
VEGETATIONOPEN
OPEN OPEN
Where will limnetic males and benthic males build their nests?
VEGETATIONOPENWe predict that benthic maleswill nest in vegetation and limnetic males will nest in the open
Where will limnetic males and benthic males build their nests?
VEGETATIONOPENWe predict that benthic maleswill nest in vegetation and limnetic males will nest in the open
OPEN OPENWhat do you predict?
Where will limnetic males and benthic males build their nests?
VEGETATIONOPENWe predict that benthic maleswill nest in vegetation and limnetic males will nest in the open
OPEN OPENIt turns out thatBenthic males are very aggressive. They keep limnetic males from building nests.
Questions:
1) Where will benthic and limnetic males nest?
2) How will benthic and limnetic females find mates if vegetation is missing?
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