diff --git a/src/app/components/modules-diagram/modules-diagram.component.ts b/src/app/components/modules-diagram/modules-diagram.component.ts
index b701aeac988e740c29a50945eff8cc63718fb7bb..c7566355fa91be90802460d28e29f93f3a347fbe 100644
--- a/src/app/components/modules-diagram/modules-diagram.component.ts
+++ b/src/app/components/modules-diagram/modules-diagram.component.ts
@@ -17,7 +17,10 @@ import {
     Nub,
     MacrorugoCompound,
     Pab,
-    Solveur
+    Solveur,
+    Verificateur,
+    Espece,
+    FishSpecies
 } from "jalhyd";
 
 import { I18nService } from "../../services/internationalisation.service";
@@ -219,6 +222,21 @@ export class ModulesDiagramComponent implements AfterContentInit, AfterViewCheck
                     def.push(nub.uid + "-->|" + finds + ":" + sp.symbol + "|" + sp.parentNub.uid);
                 }
             }
+            // add Verificateur links
+            if (nub instanceof Verificateur) {
+                const ntv = nub.nubToVerify;
+                const sp = nub.species.filter((sp) => {
+                    return sp.species === FishSpecies.SPECIES_CUSTOM;
+                });
+                const verifiesPass = this.intlService.localizeText("INFO_DIAGRAM_VERIFICATEUR_VERIFIES_PASS");
+                const verifiesSpecies = this.intlService.localizeText("INFO_DIAGRAM_VERIFICATEUR_VERIFIES_SPECIES");
+                if (ntv !== undefined) {
+                    def.push(nub.uid + "-->|" + verifiesPass + "|" + ntv.uid);
+                }
+                for (const s of sp) {
+                    def.push(nub.uid + "-->|" + verifiesSpecies + "|" + s.uid);
+                }
+            }
         }
 
         return def.join("\n");
diff --git a/src/locale/messages.en.json b/src/locale/messages.en.json
index ee67ebd305ac283d9105fc2cfc5d768af16fd237..138b4a8d61bcdc9540556ab891ae9165339226a3 100644
--- a/src/locale/messages.en.json
+++ b/src/locale/messages.en.json
@@ -97,6 +97,8 @@
     "INFO_DEVER_TITRE": "Free flow weir stage-discharge laws",
     "INFO_DIAGRAM_SOLVEUR_FINDS": "finds",
     "INFO_DIAGRAM_SOLVEUR_READS": "reads",
+    "INFO_DIAGRAM_VERIFICATEUR_VERIFIES_PASS": "verifies pass",
+    "INFO_DIAGRAM_VERIFICATEUR_VERIFIES_SPECIES": "verifies species",
     "INFO_DIAGRAM_TITLE": "Calculation modules diagram",
     "INFO_DIAGRAM_DRAWING_ERROR": "Error while drawing diagram",
     "INFO_DIAGRAM_CALCULATED_PARAM": "calculated parameter",
diff --git a/src/locale/messages.fr.json b/src/locale/messages.fr.json
index 9fa99e7110b70cfce6a46968bf888ce325db9a60..503ac359bc346ddc676bcdaf41a6251865dcb0a7 100644
--- a/src/locale/messages.fr.json
+++ b/src/locale/messages.fr.json
@@ -97,6 +97,8 @@
     "INFO_DEVER_TITRE": "Lois de déversoirs dénoyés",
     "INFO_DIAGRAM_SOLVEUR_FINDS": "trouve",
     "INFO_DIAGRAM_SOLVEUR_READS": "lit",
+    "INFO_DIAGRAM_VERIFICATEUR_VERIFIES_PASS": "vérifie la passe",
+    "INFO_DIAGRAM_VERIFICATEUR_VERIFIES_SPECIES": "vérifie les espèces",
     "INFO_DIAGRAM_TITLE": "Diagramme des modules de calcul",
     "INFO_DIAGRAM_DRAWING_ERROR": "Erreur lors du dessin du diagramme",
     "INFO_DIAGRAM_CALCULATED_PARAM": "paramètre calculé",