Yes, they do. Check https://leofinance.io/. It is also a social platform but its focus is primarily on crypto and finance. The maximum supply is 1B but its current circulating supply is just 15.5M. And out of that 15.5M, 11.4M are staked. Instead of the fish category, they are using lion to classify different holders of LEO Power:
- kitten - 1k
- newborn cub - 2k
- cub - 5k
- lion - 15k
- leader of the pack - 50k
- apex lion - 150k
According to this article, last February this year, there are "1,040 Monthly Active Users (MAUs)."
As for projects, two years ago, they launched Cub Finance. Its native token is CUB with a total supply of 21,544,106. And then just a year ago, another project has been launched. This time it was polycub. The total supply of this token is 7,272,551. Their most recent projects include Threads ( a microblogging platform like SoMee and D.Buzz), alpha leofinance, and the one that will be launched this 1st of May using zealy.io. The goal is for mass onboarding.