| English | Latvian |
| Atlantic blue marlin | Atlantijas zilais marlīns (Makaira nigricans) |
| blue-green algae | zilaļģes (Cyanobacteria, Cyanophyceae, Cyanophycota, Cyanophyta, Cyanobacteria, Cyanophyceae, Cyanophycota, Cyanophyta) |
| blue-green bacteria | zilaļģes (Cyanobacteria, Cyanophyceae, Cyanophycota, Cyanophyta, Cyanobacteria, Cyanophyceae, Cyanophycota, Cyanophyta) |
| blue ling | zilā jūras līdaka (Molva dypterygia, Molva byrkelange, Molva dypterygia, Molva byrkelange) |
| blue lupin | šaurlapu lupīna (Lupinus angustifolius) |
| blue mackerel | dienvidjūru makrele (Scomber australasicus) |
| blue marlin | Atlantijas zilais marlīns (Makaira nigricans) |
| blue skate | parastā raja (Dipturus batis, Raja batis, Dipturus batis, Raja batis) |
| blue whiting | putasu (Micromesistius poutassou, Gadus poutassou, Micromesistius poutassou, Gadus poutassou) |
| Southern blue whiting | Dienvidu putasu (Micromesistius australis) |
