bsharpish wrote:Low nutrient levels.
Lack of deepwater currents from the atlantic via Gibralter.
150 (or so) million fish eaters around its shores.
5000+ years of significant fishing.
Limited circulation and volume of water concentrates pollution and stratifies water affecting oxygen level.
The aswan dam reducing nutrient input.
Pick any or all of the above factors
The Aswan Dam was a major disaster for the Med i agree.
I Dont think the millions of gallons of untreated sewerage flowing from Gaza can be helping.. fish is off the menu for a while.