[SunkenCiv]

This lead tube is all that remains of what could have been a tank for transporting live fish.D. Gaddi / The Nautical Archaeology Society

Section of the ship with the hypothetical hydraulic system to fill the vivarium.S. Parizzi / The Nautical Archaeology Society

[blueunicorn6]

Sewer pipe.

[Free Vulcan]

The Greeks and Romans we are finding out were much more advanced than thought, even for those societies. A couple of small twists in history and we would have had the industrial revolution about 1500 years earlier.

[VA Voter]

Wouldn’t the lead pipe leach lead poison and contaminate the fish?

[VA Voter]

Wouldn’t the lead pipe leach lead poison and contaminate the fish?

[Rudder]

"No seaman would have drilled a hole in the keel, creating a potential way for water to enter the hull, unless there was a very powerful reason to do so,"

Okay.

I wouldn't do it on any boat.

Okay, ship's carpenters out there: would you consider putting hole through the keel?