| Terms for subject Ichthyology (1924 entries) |
| abalone | ormeau | |
| abalón japonés (Haliotis discus hannai) | ormeau nordique | |
| abichón (Atherina presbyter, Atherina moch) | athérine | |
| abichón (Atherina presbyter, Atherina moch) | prêtre | |
| abichón (Atherina presbyter, Atherina moch) | poisson d'argent | |
| abichón (Atherina presbyter, Atherina moch) | athérine mochon | |
| abichón (Atherina boyeri) | joël | |
| abichón (Atherina boyeri) | cabot | |
| abulón colorado (Haliotis rufescens) | ormeau rouge | |
| acerina (Acerina cernua) | grémille | |
| acerina (Acerina cernua) | cerne | |
| acerina (Acerina cernua) | perche goujonnière | |
| aclimatación | acclimatement | |
| acuático | aquatique | |
| agroecología | agroécologie | |
| aguila marina (Myliobatis aquila) | Aigle commun | |
| aguilas de mar nep (Myliobatidae) | Aigles de mer nca | |
| agujeta blanca (Hyporhamphus unifasciatus) | demi-bec blanc | |
| agujeta larga (Hyporhamphus roberti) | demi-bec allongé | |
| agujeta voladora (Euleptorhamphus velox) | demi-bec volant |