Science and politics are usually a bad mix, as is calling politically biased opinion news….I dunno what to believe anymore….
…but back on topic, back in the 90’s you regularly found brains and porites on fiji and tonga rock as well as coco worms, dragons breath, feather dusters et …
Then a few bad threads on hitchhikers and high airfares and voila’ dry rock is born….
IMO dry rock is semi-garbage,…I have some but its definitely problematic insofar as micro recruitment goes…basically it takes a while for critters over 1cm to find housing,,
Edit add: if you look closely at real ocean rock, its the boring critters and sub surface biology thats the biggest difference. Dry rock NEVER gets spontaneous sprouts of macro algaes, feather dusters, worms, et et …
Anymore my tanks are a mix of ole skool branch rock, some KP stuff and that stuff that looks like it was cut from a Florida canal….
if someone can pull off shipping 2yr old mariculture pacific rock to the US, they would clock $$$$ …
Wonder why there is no mariculture biz in the Gulf of California?