| Popular Fish Name | Fish Family | Scientific Name |
| Species suitable for beginners |
| Clownfish | Pomacentridae | Amphiprion |
| Damselfish | Pomacentridae | Chromis chromis |
| Species needing experienced care and large tanks |
| Dragonets | Callionymidae | Callionymus |
| Lionfish | Scorpaenidae | Pterois or Dendrochirus, |
| Species needing expert care and best avoided |
| Rays | Rajomorphii or Batoidea | Batoidea - common rays and skates Myliobatiformes - eagle rays, manta rays Pristiformes - sawfishes |
| Seahorse | Syngnathidae | Hippocampus |
| Sharks | Selachimorpha | Hexanchiformes: Examples from this group include the cow sharks, frilled shark and even a shark that |
