diff --git a/src/main/java/species/DiadromousFish.java b/src/main/java/species/DiadromousFish.java
index bec490f285042bce16328d16acfcc692d37f9269..a3594a287efbfded65e0620ecff7ec5a22eadef6 100644
--- a/src/main/java/species/DiadromousFish.java
+++ b/src/main/java/species/DiadromousFish.java
@@ -19,13 +19,6 @@ public class DiadromousFish extends AquaNism<Basin, BasinNetwork> {
 	private Gender gender;    
     private int numberOfReproduction;
 
-	public DiadromousFish(Pilot pilot, Basin position, double initialLength,  long fishAmount) {
-		this(pilot, position, initialLength, fishAmount, Gender.UNDIFFERENCIED);
-	}
-
-	public DiadromousFish(Pilot pilot, Basin position, double initialLength) {
-		this(pilot, position, initialLength, 1, Gender.UNDIFFERENCIED);
-	}
 	
 	public DiadromousFish(Pilot pilot, Basin position, double initialLength, long fishAmount, Gender gender) {
 		super(pilot, position);
diff --git a/src/main/java/species/PopulateBasinNetwork.java b/src/main/java/species/PopulateBasinNetwork.java
index 68631510d0a9acf80f67206f587c1a384fca0323..aae4046c03976a067b46a4d38f1d837cd471c95e 100644
--- a/src/main/java/species/PopulateBasinNetwork.java
+++ b/src/main/java/species/PopulateBasinNetwork.java
@@ -5,6 +5,8 @@ import com.thoughtworks.xstream.io.xml.DomDriver;
 
 import environment.Basin;
 import fr.cemagref.simaqualife.kernel.processes.AquaNismsGroupProcess;
+import species.DiadromousFish.Gender;
+
 import org.openide.util.lookup.ServiceProvider;
 
 @ServiceProvider(service = AquaNismsGroupProcess.class)
@@ -21,7 +23,7 @@ public class PopulateBasinNetwork extends AquaNismsGroupProcess<DiadromousFish,
 	public void doProcess(DiadromousFishGroup group) {
 		for (Basin basin : group.getEnvironment().getRiverBasins()){
 			for (int i=0; i < nbSIPerBasin; i++){
-				group.addAquaNism(new DiadromousFish(group.getPilot(), basin, initialLength, nbFishPerSI));
+				group.addAquaNism(new DiadromousFish(group.getPilot(), basin, initialLength, nbFishPerSI, Gender.UNDIFFERENCIED));
 			}
 		}
 	}
diff --git a/src/main/java/species/PopulateBasinNetworkWithANorthLimit.java b/src/main/java/species/PopulateBasinNetworkWithANorthLimit.java
index 1c1b972a3f04fb023f1d9a11982b0fd964e53edd..c1ea61d092aed0ddb4c90da8fe6272c8b40cabfe 100644
--- a/src/main/java/species/PopulateBasinNetworkWithANorthLimit.java
+++ b/src/main/java/species/PopulateBasinNetworkWithANorthLimit.java
@@ -24,6 +24,7 @@ import com.thoughtworks.xstream.io.xml.DomDriver;
 
 import environment.RiverBasin;
 import fr.cemagref.simaqualife.kernel.processes.AquaNismsGroupProcess;
+import species.DiadromousFish.Gender;
 
 /**
  *
@@ -46,7 +47,7 @@ public class PopulateBasinNetworkWithANorthLimit extends AquaNismsGroupProcess<D
 		for (RiverBasin basin : group.getEnvironment().getRiverBasins()){
 			if (basin.getLatitude()<=northLimitLatitude){
 			for (int i=0; i < nbSIPerBasin; i++){
-				group.addAquaNism(new DiadromousFish(group.getPilot(), basin, initialLength, nbFishPerSI));
+				group.addAquaNism(new DiadromousFish(group.getPilot(), basin, initialLength, nbFishPerSI, Gender.UNDIFFERENCIED));
 			}
 		}
 		}
diff --git a/src/main/java/species/PopulateWithASinglePopulation.java b/src/main/java/species/PopulateWithASinglePopulation.java
index 5278c926286487d2c3b45f42bbf7278adabc342f..5af2db3d2a432d09a4b4fa924b88be98825299c0 100644
--- a/src/main/java/species/PopulateWithASinglePopulation.java
+++ b/src/main/java/species/PopulateWithASinglePopulation.java
@@ -5,6 +5,8 @@ import com.thoughtworks.xstream.io.xml.DomDriver;
 
 import environment.Basin;
 import fr.cemagref.simaqualife.kernel.processes.AquaNismsGroupProcess;
+import species.DiadromousFish.Gender;
+
 import org.openide.util.lookup.ServiceProvider;
 
 @ServiceProvider(service = AquaNismsGroupProcess.class)
@@ -23,7 +25,7 @@ public class PopulateWithASinglePopulation extends AquaNismsGroupProcess<Diadrom
 
 		Basin basin = group.getEnvironment().getRiverBasins()[bassinInd];
 		for (int i=0; i < nbSIPerBasin; i++){
-			group.addAquaNism(new DiadromousFish(group.getPilot(), basin, initialLength, nbIndPerSI));
+			group.addAquaNism(new DiadromousFish(group.getPilot(), basin, initialLength, nbIndPerSI, Gender.UNDIFFERENCIED));
 		}
 	}
 }
diff --git a/src/main/java/species/ReproduceAndSurviveAfterReproduction.java b/src/main/java/species/ReproduceAndSurviveAfterReproduction.java
index 9903cfa63d4da333970b41e1aabaa4c872662acf..2bd1e21fba73c99cba21726270cb1253771884e0 100644
--- a/src/main/java/species/ReproduceAndSurviveAfterReproduction.java
+++ b/src/main/java/species/ReproduceAndSurviveAfterReproduction.java
@@ -10,6 +10,7 @@ import java.util.TreeMap;
 
 import miscellaneous.Duo;
 import miscellaneous.Miscellaneous;
+import species.DiadromousFish.Gender;
 
 import org.openide.util.lookup.ServiceProvider;
 
@@ -156,7 +157,7 @@ public class ReproduceAndSurviveAfterReproduction extends AquaNismsGroupProcess<
 									ageOfNativeSpawners.put(age, fish.getAmount());*/
 							}
 
-							//System.out.println("l'âge du poisson est :" + fish.getAge() + " et la saison est :" + Time.getSeason());
+							//System.out.println("l'�ge du poisson est :" + fish.getAge() + " et la saison est :" + Time.getSeason());
 							// Survive After Reproduction
 							fish.incNumberOfReproduction();	
 
@@ -170,7 +171,7 @@ public class ReproduceAndSurviveAfterReproduction extends AquaNismsGroupProcess<
 					}
 
 					/*
-					// calcul de la mortalité associée aux géniteurs autochtones
+					// calcul de la mortalit� associ�e aux g�niteurs autochtones
 					if (numberOfGenitors > 0.) {
 						System.out.println(riverBasin.getName().toUpperCase());
 						System.out.println("Spawners");
@@ -238,10 +239,10 @@ public class ReproduceAndSurviveAfterReproduction extends AquaNismsGroupProcess<
 							// System.out.println(numberOfRecruit + " / " + amountPerSuperIndividual +" = " +numberOfsuperIndividual);
 							//System.out.println(numberOfRecruit + " / " + numberOfsuperIndividual +" = " +effectiveAmount);
 							for (int i=0; i<numberOfsuperIndividual; i++){
-								group.addAquaNism(new DiadromousFish(group.getPilot(), riverBasin, initialLength, effectiveAmount));
+								group.addAquaNism(new DiadromousFish(group.getPilot(), riverBasin, initialLength, effectiveAmount, Gender.UNDIFFERENCIED));
 							}
 							riverBasin.getLastRecruitmentExpectations().push(Math.round(meanNumberOfRecruit));
-							riverBasin.getLastRecruitments().push(numberOfsuperIndividual * effectiveAmount); // on remplit la pile qui permet de stocker un nombre fixé de derniers recrutement
+							riverBasin.getLastRecruitments().push(numberOfsuperIndividual * effectiveAmount); // on remplit la pile qui permet de stocker un nombre fix� de derniers recrutement
 							riverBasin.getLastRecsOverProdCaps().push(((double) riverBasin.getLastRecruitments().getLastItem())/riverBasin.getLastProdCapacities().getLastItem());
 
 							if (numberOfAutochtones > 0){
@@ -289,7 +290,7 @@ public class ReproduceAndSurviveAfterReproduction extends AquaNismsGroupProcess<
 				riverBasin.getSpawnerOrigins().push(spawnerOriginsDuringReproduction);
 				//System.out.println("  AFTER " +riverBasin.getSpawnerOrigins().keySet());
 			}
-			// on met à jour les observeurs
+			// on met � jour les observeurs
 			for (RiverBasin riverBasin : group.getEnvironment().getRiverBasins()){
 				riverBasin.getCobservable().fireChanges(riverBasin, pilot.getCurrentTime());
 			}                                                
diff --git a/src/main/java/species/ReproduceAndSurviveAfterReproductionWithDiagnose.java b/src/main/java/species/ReproduceAndSurviveAfterReproductionWithDiagnose.java
index 530e581296c1df8c95f57c3b7094c2ca333e100e..9e4ca55954bb99f666783f51c6dc73a78e696cc1 100644
--- a/src/main/java/species/ReproduceAndSurviveAfterReproductionWithDiagnose.java
+++ b/src/main/java/species/ReproduceAndSurviveAfterReproductionWithDiagnose.java
@@ -11,6 +11,7 @@ import java.util.TreeMap;
 import miscellaneous.Duo;
 import miscellaneous.Miscellaneous;
 import miscellaneous.Trio;
+import species.DiadromousFish.Gender;
 
 import org.apache.commons.math3.analysis.UnivariateFunction;
 import org.apache.commons.math3.optim.MaxEval;
@@ -164,7 +165,7 @@ public class ReproduceAndSurviveAfterReproductionWithDiagnose extends AquaNismsG
 									ageOfNativeSpawners.put(age, fish.getAmount());
 							}
 
-							//System.out.println("l'âge du poisson est :" + fish.getAge() + " et la saison est :" + Time.getSeason());
+							//System.out.println("l'�ge du poisson est :" + fish.getAge() + " et la saison est :" + Time.getSeason());
 							// Survive After Reproduction
 							fish.incNumberOfReproduction();	
 
@@ -178,7 +179,7 @@ public class ReproduceAndSurviveAfterReproductionWithDiagnose extends AquaNismsG
 					}
 
 
-					// prepare les données pour le calcul de la mortalité associée aux géniteurs autochtones
+					// prepare les donn�es pour le calcul de la mortalit� associ�e aux g�niteurs autochtones
 					if (numberOfGenitors > 0.) {
 						List<Trio<Integer, Long, Long>> mortalityData= new ArrayList<Trio<Integer, Long, Long>>();
 						// first age
@@ -270,10 +271,10 @@ public class ReproduceAndSurviveAfterReproductionWithDiagnose extends AquaNismsG
 							// System.out.println(numberOfRecruit + " / " + amountPerSuperIndividual +" = " +numberOfsuperIndividual);
 							//System.out.println(numberOfRecruit + " / " + numberOfsuperIndividual +" = " +effectiveAmount);
 							for (int i=0; i<numberOfsuperIndividual; i++){
-								group.addAquaNism(new DiadromousFish(group.getPilot(), riverBasin, initialLength, effectiveAmount));
+								group.addAquaNism(new DiadromousFish(group.getPilot(), riverBasin, initialLength, effectiveAmount, Gender.UNDIFFERENCIED));
 							}
 							riverBasin.getLastRecruitmentExpectations().push(Math.round(meanNumberOfRecruit));
-							riverBasin.getLastRecruitments().push(numberOfsuperIndividual * effectiveAmount); // on remplit la pile qui permet de stocker un nombre fixé de derniers recrutement
+							riverBasin.getLastRecruitments().push(numberOfsuperIndividual * effectiveAmount); // on remplit la pile qui permet de stocker un nombre fix� de derniers recrutement
 							riverBasin.getLastRecsOverProdCaps().push(((double) riverBasin.getLastRecruitments().getLastItem())/riverBasin.getLastProdCapacities().getLastItem());
 
 							if (numberOfAutochtones > 0){
@@ -321,7 +322,7 @@ public class ReproduceAndSurviveAfterReproductionWithDiagnose extends AquaNismsG
 				riverBasin.getSpawnerOrigins().push(spawnerOriginsDuringReproduction);
 				//System.out.println("  AFTER " +riverBasin.getSpawnerOrigins().keySet());
 			}
-			// on met à jour les observeurs
+			// on met � jour les observeurs
 			for (RiverBasin riverBasin : group.getEnvironment().getRiverBasins()){
 				riverBasin.getCobservable().fireChanges(riverBasin, pilot.getCurrentTime());
 			}