The technologies for Health and Fish breeding don't consume all the science packs of their dependencies. They are the only two outliers in that regard. They should both be consuming Automation, Logistics, Chemical science packs.
[2.0.6 + Space Age] Fish breeding and Health technologies science pack requirements
Re: [2.0.6 + Space Age] Fish breeding and Health technologies science pack requirements
Thanks for the report, this is not a bug.