diff --git a/epo/src/main/java/uk/ac/ox/poseidon/epo/scenarios/EpoPathPlannerAbundanceScenario.java b/epo/src/main/java/uk/ac/ox/poseidon/epo/scenarios/EpoPathPlannerAbundanceScenario.java
index 0a7ba6c2d..1a720f063 100644
--- a/epo/src/main/java/uk/ac/ox/poseidon/epo/scenarios/EpoPathPlannerAbundanceScenario.java
+++ b/epo/src/main/java/uk/ac/ox/poseidon/epo/scenarios/EpoPathPlannerAbundanceScenario.java
@@ -66,14 +66,14 @@ public EpoPathPlannerAbundanceScenario() {
                             13, 30, 5, 40, 14
                         ),
                         ImmutableMap.of(
-                            "Bigeye tuna", new CalibratedParameter(0.5, 0.9, 0, 1),
+                            "Bigeye tuna", new FixedDoubleParameter(0.30),
                             "Skipjack tuna", new CalibratedParameter(0, 0.5, 0, 1),
                             "Yellowfin tuna", new CalibratedParameter(0, 0.5, 0, 1)
                         ),
                         ImmutableMap.of(
-                            "Bigeye tuna", new FixedDoubleParameter(0.13),
-                            "Skipjack tuna", new FixedDoubleParameter(0.385),
-                            "Yellowfin tuna", new FixedDoubleParameter(0.147)
+                            "Bigeye tuna", new CalibratedParameter(0.5, 0.75, 0, 0.85),
+                            "Skipjack tuna", new CalibratedParameter(0.05, 0.75, 0, 0.75),
+                            "Yellowfin tuna", new CalibratedParameter(0.109, 0.226, 0, 0.75)
                         ),
                         ImmutableMap.of(
                             "Temperature", new EnvironmentalPenaltyFactory(