Fish n' Bits - The Aquaculture Data Intelligence Podcast
Jun 29, 2026 · 10 min · 8 segments
How do you keep one of aquaculture's biggest success stories growing as the environment around it changes? We're taking a closer look at Mediterranean aquaculture and the remarkable rise of European…
The Mediterranean is very different from the open Atlantic and the salmon world that I typically talk about.
It's almost completely enclosed by land, with only a narrow connection to the Atlantic through the Strait of Gibraltar.
Because of that, water is not exchanged as freely as the open ocean, and the basin tends to hold onto that heat.
And that's one of the reasons why scientists have described the Mediterranean Ocean as a climate change hotspot for many years, because the numbers have been pretty striking.
Between 1982 and 2019, surface seawater temperatures in the Mediterranean increased by about 1.3 degrees Celsius, compared with roughly 0.6 degrees globally over the same period.
So depending on how you calculate it, the Mediterranean has warmed roughly at twice the rate of the rest of the ocean.
In July of last year, the Mediterranean reached its warmest July on record with an average sea surface temperature of 26.7 degrees Celsius.
About 63% of the basin was at least one degree above a long-term average, and 40% of it was at least two degrees above their typical historical averages.
This year, we haven't necessarily seen quite as high of a spike, but still temperatures have been rising.
In general, if you are just thinking about this as a climate story, these numbers are already concerning.
The Mediterranean is very different from the open Atlantic and the salmon world that I typically talk about.
It's almost completely enclosed by land, with only a narrow connection to the Atlantic through the Strait of Gibraltar.
Because of that, water is not exchanged as freely as the open ocean, and the basin tends to hold onto that heat.
And that's one of the reasons why scientists have described the Mediterranean Ocean as a climate change hotspot for many years, because the numbers have been pretty striking.
Between 1982 and 2019, surface seawater temperatures in the Mediterranean increased by about 1.3 degrees Celsius, compared with roughly 0.6 degrees globally over the same period.
So depending on how you calculate it, the Mediterranean has warmed roughly at twice the rate of the rest of the ocean.
In July of last year, the Mediterranean reached its warmest July on record with an average sea surface temperature of 26.7 degrees Celsius.
About 63% of the basin was at least one degree above a long-term average, and 40% of it was at least two degrees above their typical historical averages.
This year, we haven't necessarily seen quite as high of a spike, but still temperatures have been rising.
In general, if you are just thinking about this as a climate story, these numbers are already concerning.
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