diff --git a/src/main/java/species/Grow.java b/src/main/java/species/Grow.java
index 201d4758c15cadba976dad92e69260c954940e71..aea77435b021f2de54eb5afc63101478bc729906 100644
--- a/src/main/java/species/Grow.java
+++ b/src/main/java/species/Grow.java
@@ -141,9 +141,11 @@ public class Grow extends AquaNismsGroupProcess<DiadromousFish, DiadromousFishGr
 						fish.setLength(group.getLinfVonBert(fish));
 					}
 
-					System.out.println(basin.getName() + " :" + fish.getAge() + " " + fish.getGender() + " : " + lengthBefore
-							+ " -> " + fish.getLength() + " (" + fish.getStage() + "): " + growthIncrement + " with kVonBert = "
-							+ kVonBert + " (" + currentTemperature + " / " + alea + ")");
+					// System.out.println(basin.getName() + " :" + fish.getAge() + " " + fish.getGender() + " : " +
+					// lengthBefore
+					// + " -> " + fish.getLength() + " (" + fish.getStage() + "): " + growthIncrement + " with kVonBert
+					// = "
+					// + kVonBert + " (" + currentTemperature + " / " + alea + ")");
 
 					// test if fish become mature
 					if (fish.getStage() == Stage.IMMATURE && fish.getLength() > group.getlFirstMaturity(fish)) {