[quote=@Kho]
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Laektears, once known as dancerfish, were created out of Rosa’s tears when she was first confronted by Ao-Yurin. They have great wing-like fins and can be found in great groups that murmurate through the water, their scales reflecting refracted right off one another to create kaleidoscopic pulsations of colour even as they individually dance and, in so doing, create a greater cadence as a school. These dances, whether solitary or in a group, appear to have meaning understood by the laektears. One who does not realise they understand the movements of the laektears may perceive their meanings as words or other forms of communication - this happened when the giant mother-laektear 'spoke' with Rosa.
On being exposed to Rosa's blood, the laektears were turned from the relatively small and harmless dancers they had been into an extraordinarily powerful non-sapient species. They gained the ability to grow larger than whales, though full size tends to vary by individual - some may grow no larger than tadpoles while others may grow into the largest sea behemoths. The size of laektears seems to adapt to the availability of types of food - they will tend to remain small when their small size does not hinder feeding, and will grow in size with the availability of larger food sources. Thus eco-systems made up of small-sized creatures will be home to relatively small laektears, while eco-systems that boast an abundance of large sea animals will in time result in very large laektears. Those that reach larger proportions are able to filter feed by virtue of sheer size, but laektears are also scavengers and apex predators able to hunt down even the largest whales. As they tend to move in great murmurations, their hunts are dazzling dances of mind-boggling synchrony.
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RIP Mamang, eaten by ravenous school of giant dancing fish