| Subject | English | Spanish |
| ichtyol. | dwarf sand perch | guatacare de hebra Diplectrum bivittatum |
| food.ind. | giant perch | sollo (Lucio perca lucio perca) |
| ichtyol. | golden perch | perca dorada Macquaria ambigua |
| fish.farm. | Pacific ocean perch | gallineta del Pacífico (Sebastes alutus, Sebastodes alutus) |
| tech. | 1 perch | percha |
| tech. | 1 perch | vara |
| tech. | 1 perch | palo |
| environ., nat.res., fish.farm. | perch-like fish | perciformes (Perciformes) |
| nat.res. | perching birds | paseriformes (Passeriformes) |
| forestr. | pike-perch | Sander lucioperca |
| food.ind. | pike perch | sollo |
| forestr. | pike-perch | lucioperca |
| ichtyol. | pond perch | guatacare de charco Diplectrum radiale |
| ichtyol. | silver perch | perca plateada Bidyanus bidyanus |
| tech. | spring perch | percha de muelle |
| tech. | spring perch | pieza de suspensión de ballesta |
| tech. | spring perch | patín de resorte |
| nat.sc., agric. | therapon perches | terapónidos (Theraponidae) |