| Subject | English | Irish |
| fish.farm. | devil rays | roc na caille (Mobulidae) |
| fish.farm. | eagle rays | roc iolair (Myliobatidae) |
| life.sc., fish.farm. | eagle rays | roic iolair (Myliobatidae) |
| life.sc., fish.farm. | electric ray | roc nimhe (Torpedinidae) |
| fish.farm. | electric rays | craimpiasc (Torpedinidae) |
| nat.sc., agric. | fine-rayed pigtoe pearly mussel | diúilicín péarlach crúbach gathmhín (Fusconaia cuneolus) |
| cultur., nat.sc. | infra-red rays | gathanna infridhearga |
| life.sc., fish.farm. | marbled electric ray | roc nimhe marmarach (Torpedo marmorata) |
| tech., nucl.phys. | medical X-ray equipment | trealamh míochaine x-ghathach |
| life.sc., fish.farm. | Raja rays | roc (Raja spp.) |
| nat.res. | rayed tortoise | toirtís ghathach (Geochelone radiata, Testudo radiata) |
| life.sc., fish.farm. | sharks, rays, skates | siorcanna, roic, sciataí n.s.a. (Elasmobranchii) |
| life.sc., fish.farm. | skates and rays | sciataí (Rajidae) |
| fish.farm. | torpedo rays | craimpiasc (Torpedinidae) |