| Subject | Spanish | English |
| ichtyol. | cangrejo rojo de marjal Procambarus clarkii | red swamp crayfish |
| ichtyol. | cangrejo rojo de marjal Procambarus clarkii | red swamp crawfish |
| nat.sc., nat.res., agric. | ciervo de marjal | marsh deer (Blastocerus dichotomus, Odocoileus (Blastocerus) dichotomus, Odocoileus (Odocoileus) dichotomus) |
| environ., nat.res. | ciervo de Marjal | Guasu pucu (Blastocerus dichotomus) |
| environ., nat.res. | ciervo de Marjal | marsh deer (Blastocerus dichotomus) |
| nat.sc., nat.res., agric. | ciervo de marjal | guascu pucu (Blastocerus dichotomus, Odocoileus (Blastocerus) dichotomus, Odocoileus (Odocoileus) dichotomus) |
| environ., nat.res. | cocodrilo de Marjal | mugger crocodile (močvirski krokodil) |
| environ., nat.res. | cocodrilo de Marjal | broad-snouted crocodile (močvirski krokodil) |
| environ., nat.res. | cocodrilo de Marjal | marsh crocodile (močvirski krokodil) |
| life.sc., environ. | cocodrilo de Marjal | mugger (Crocodylus palustris) |
| ichtyol. | guacuco de marjal Polymesoda aequilatera | equilateral marsh clam |
| ichtyol. | guacuco de marjal esbelto Polymesoda arctata | slender marsh clam |
| life.sc., construct. | pozo de marjal | soak well |