Fishes' birth |  | Sharks' birth |
Fishes' death |  | Sharks' death |
Size of the ocean |  | Food energy |
|  | Birth energy |
|  | Random Initial Energy |

Fishes: 0

Sharkes: 0

Total: 0

Fishes' average
energy: 0

Sharkes' average
energy: 0

-

Your (toric) ocean
Graph of population size

Click here inside the triangle to set the initial population.
X-axis: fishes
Y-axis: sharks

Zoom of the graph on the left. Green: fishes' component; red: sharks' component. "o": reset
Zoom of the system
Some data about the simulation

Click on the grid to change the animals movement.
The animal on the central black cell can go to the white cells.

Start the simulation
One step of the simulation
Reset the simulation

After this time, a fish has a baby | After this time, a shark has a baby
After this time, a fish dies | At this energy level, a shark dies
Size of the ocean | When a shark eats a fish, it gains this amount of energy
| When a shark has a baby, it loses this amount of energy
| The initial energy is randomize in this range. 0%: disable this feature