 |
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| pesce vela (Istiophorus albicans, Istiophorus gladius, Istiophorus greyi) | |||
| pesce vela del Pacifico (Istiophorus platypterus) | |||
| pesce vela (Istiophorus spp) | |||
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| pesci vela (Istiophoridae, Istiophorus spp.) | |||
| sailfish: 4 phrases in 3 subjects |
| Fish farming pisciculture | 1 |
| Ichthyology | 1 |
| Natural resourses and wildlife conservation | 2 |