HarpoonJaeger

There's also Toa of Water even though it's only Liquid Protodermis in MU.

How about Toa Ripoff?

As a fellow Klaanon worldbuilder I have a couple of things to add: Selakhians, or Pridak's race, are a bit Elf-like - you know: nimble, light and shiny-eyed. They have made Nui Stone and, for example, Knowledge Crystals. Their civilization, though, is pretty much extinguished after Six Kingdoms fell. We really don't have much base in canon for this, but I think it's a neat idea. Makuta species is really just one Makuta, the brother of Mata Nui. The Protomakuta splintered in the beginning of the time and and every single Makuta is a shard of it's mind and consiciouncess. There are also couple of minor species, like Airwatcher's species "the Angels" and Primal's and Seeker's species "the Centaurs". And Titans have probably hundreds of subspecies with differing powers and cultures. Mahrians (Ehlek's species) were originally the ruling race of Zakaz. Ehlek was also King of Skakdifolk. But after Brotherhood of Makuta began disassembling Barraki empires after their imprisoment in the Pit, skakdi became rulers of Zakaz and many Mahrians were enslaved (in our fanon they can breathe air but they get quickly very weak when not in water). Some of them were modified to be Order of Mata Nui's super-soldiers. Kromids (Kalmah's species) worship Tren Krom as their creator. The reason we thought it would be fitting that Nocturn's species were sub-species of Kromids is simply the fact that they are both pretty tentacley. However, these Akshi-Kromids are immune to Pit Mutagen and are ampbihious - a kind of merpeople, if you will. There are a lot of beings with unique and special powers that seemingly make them their own species, but I don't believe that. After all, we know many creatures with powers that weren't standard for their species. For example, Roodaka had learnt shadow powers and many other beings carried items or had mutations that caused them to have powers. We don't really know if, for example, Axonn's energy powers were his race's powers or just his. Best example of this is the race of TSO and Ancient (and, in our fanon, Lariska). The Shadowed One's eyebeams may be a mutation, they may be nanomachines or genetic engineering akin to what was done to the Skakdi. And TSO-Ancient -example also shows that an individuals of a species don't have to look all that much like each other. I don't see why there couldn't be tall people, short people, muscular people, thin people and so on. The grouping is mostly based on similarities in appearance. There really isn't many details in canon about all those minor species. Well, we really don't know how much the Mutagen affects. Brutaka is the only one (correct me if I'm wrong) mutated whose original form we have also seen, and he didn't change all that much. He grew some fins and gills and spikes and stuff. Pit Mutagen doesen't necessarily change beings all that completely.