 |
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| ariid catfishes (Ariidae); sea catfishes (Ariidae) | |||
| sea catfish (Bagre marinus, Galeichthys felis) | |||
| sea catfishes (Arius) | |||
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| Arius felis; sea catfish (Arius dimock) | |||
| sea barbel | |||
| sea catfish (Silurus; Arius hendeloti) | |||
| морские сомы: 10 phrases in 3 subjects |
| Biology | 2 |
| Fish farming pisciculture | 2 |
| Ichthyology | 6 |