 | Abramites - hypselonotus, hypselonotus |
 | Abudefduf - saxatilis, sexfasciatus |
 | Acanthicus - adonis, hystrix |
 | Acanthodoras - cataphractus, spinosissimus |
 | Acanthochromis - polyacanthus |
 | Acanthophthalmus - cuneovirgatus, kuhli sumatranus, kuhlii myersi, robiginosus, semicinctus, semicinctus |
 | Acanthopsis - choirorhynchus |
 | Acanthurus - achilles, coeruleus, japonicus, leucosternon, lineatus, nigricans, olivaceus, pyroferus, sohal, triostegus |
 | Acarichthys - heckelii |
 | Acipenser - baerii, ruthenus, stellatus |
 | Aeoliscus - punctulatus, strigatus |
 | Aequidens - metae, pulcher, rivulatus, tetramerus |
 | Agamyxis - pectinifrons |
 | Alburnus - alburnus |
 | Alfaro - cultratus |
 | Altolamprologus - calvus |
 | Amatitlania - nigrofasciata |
 | Amblydoras - hancocki |
 | Ameca - splendens |
 | Amphilophus - alfari, citrinellus |
 | Amphiprion - akallopisos, clarkii, ephippium, frenatus, chrysopterus, melanopus, nigripes, ocellaris, percula, perideraion, sandaracinos, sebae |
 | Anabas - testudineus |
 | Ancistrus - cirrhosus, claro, dolichopterus, haplogenys, multispinnis, ranunculus, sp., sp. (L107), sp. (L144), sp. (L338), sp. (L372), sp. gold, sp. gold long fin, sp. long fin |
 | Anomalochromis - thomasi |
 | Anoptichthys - jordani |
 | Anostomus - anostomus, anostomus, ternetzi |
 | Antennarius - maculatus, striatus |
 | Aphanius - iberus |
 | Aphyocharax - anisitsi, rathbuni |
 | Aphyolebias - peruensis, rubrocaudatus |
 | Aphyosemion - australe, australe "hjerreseni", bualanum, calliurum, cameronense, congicum, georgiae, louessense, mimbon, pyrophore, striatum |
 | Apistogramma - agassizi, bitaeniata, borellii, cacatuoides, commbrae, gibbiceps, hongsloi, macmasteri, nijsseni, ornatipinnis, ortmanni, panduro, pertensis, taeniata, trifasciata, viejita |
 | Aplocheilus - lineatus, lineatus gold, panchax |
 | Apogon - cyanosoma, imberbis, leptacanthus, maculatus, melas |
 | Apolemichthys - trimaculatus, xanthurus |
 | Apteronotus - albifrons |
 | Archocentrus - multispinosus, sajica |
 | arius - seemani |
 | Arnoldichthys - spilopterus |
 | Aspidoras - pauciradiatus |
 | Astatotilapia - calliptera |
 | Astronotus - ocellatus |
 | Aulonocara - baenschi, hansbaenschi, jacobfreibergi, maylandi, Orange blanch, stuartgranti, stuartgranti rubin red |
 | Aulostomus - chinensis |
 | Australoheros - facetus |
 | Austrolebias - nigripinnis |
 | Axelrodia - lindeae, riesei, stigmatias |
Červeně jsou označené mořské ryby.