| Subject | English | German |
| ichtyol. | Argentine pearlfish | Blauer Fächerfisch (Cynolebias bellotti) |
| nat.sc., agric. | ginger pearlfish | Faecherkaerpfling (Cynolebias marmoratus) |
| nat.sc., agric. | minute pearlfish | Faecherkaerpfling (Cynolebias minimus) |
| nat.sc., agric. | opalescent pearlfish | Faecherkaerpfling (Cynolebias opalescens) |
| nat.sc., agric. | splendid pearlfish | Faecherkaerpfling (Cynolebias splendens) |