In my world survival, mob spawning is high, both hostile mobs like fish,squid and bats,that causes lag in my survival
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Is the random tick speed set high?

At this point (413 entities), I don't think the random tick speed is the problem. Unless you have at least 350 items somewhere, something is wrong with the entity cap (Which should only be 60 for hostile mobs and much lower for passive mobs)
EDIT: Also, this is a duplicate of MC-151337

thanks, I'm going to delete this page and I will continue MC-151337