Amiidae
Amia

Bowfins





Blenniidae
Blenniinae
Salariinae

Blennies. Usually marine fish there is at least one Freshwater species.



Dipnoi
Neoceratodontidae
Protopteridae

Lungfish. These primitive dinosaur era fishes are in an order by themselves and are very unlike modern fish; humans share a common ancestor with them.


Engraulidae
Amazonsprattus

Anchovies. Mostly marine, there are some freshwater anchovies.


Esociformes
Umbridae

Mud Minnows


Galaxioidea
Galaxiidae
Retropinnidae

Galaxids. Superfamily : Galaxioidea








Mormyridae
Brienomyrus Campylomormyrus Isichthys
Marcusenius Petrocephalus Pollimyrus


Baby Whales and Elephant fish. One of the most evolved and intelligent of fishes, all possess an electrical system used to at the very least serve as an addition sense. All are on different frequencies so the possibility exists they communication with some sort of fish wifi.

If you were intelligent and had something like this how cold you not use it for at least some soft of communication? This might explain the different frequencies?





Pantodontidae
Pantodon

Butterfly fish










Tarumaniidae
Tarumania

Dinofish. A family erected for a single primative species of fish nearly halfway between an eel and wolf fish (Holpias) that has an inflatable adipose fin.


cave
Astynax Barbatula Iranocypris Lucifuga
Tor Milyeringa Nemacheilus Oreonectes Phreatichthys Prietella Sinocyclocheilus Speolabeo Triplophysa Typhlichthys

Blind cave fish. In several places around the world fish have evolved cit off from all light for a very long time. Although not necessarily related to each other there are grouped here instead out of ichthyological curiosity.

Oliver Lucanus wrote a good article about these fish here.