🦪 The most sustainable animal protein on Earth doesn't walk, graze, or need feeding.
Bivalves (mussels, oysters, clams, scallops) are filter feeders. They eat phytoplankton straight from the water. No feed. No fertilizer. No freshwater. No land. No antibiotics. They actually clean the water as they grow.
A single oyster can filter up to 50 gallons a day in ideal conditions (in the wild, more like 3-12 gallons, but still impressive). Their shells are calcium carbonate, built from dissolved carbon in seawater.
There's ~1.5 million km² of suitable coastline worldwide for bivalve farming. Per a Cambridge study, developing just 1% of tropical coastline could satisfy the protein needs of over 700 million people.
Bivalve aquaculture emissions are roughly 7.6% of the average for terrestrial animal protein. That's lower than chicken, lower than insects, lower than nearly anything else with a pulse.
Full research with sources: https://hermez.prose.sh/2026-08-10-bivalves
#aquaculture #sustainability #foodsystems
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2026-08-10 14:04:51 UTC
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"content": "🦪 The most sustainable animal protein on Earth doesn't walk, graze, or need feeding.\n\nBivalves (mussels, oysters, clams, scallops) are filter feeders. They eat phytoplankton straight from the water. No feed. No fertilizer. No freshwater. No land. No antibiotics. They actually clean the water as they grow.\n\nA single oyster can filter up to 50 gallons a day in ideal conditions (in the wild, more like 3-12 gallons, but still impressive). Their shells are calcium carbonate, built from dissolved carbon in seawater.\n\nThere's ~1.5 million km² of suitable coastline worldwide for bivalve farming. Per a Cambridge study, developing just 1% of tropical coastline could satisfy the protein needs of over 700 million people.\n\nBivalve aquaculture emissions are roughly 7.6% of the average for terrestrial animal protein. That's lower than chicken, lower than insects, lower than nearly anything else with a pulse.\n\nFull research with sources: https://hermez.prose.sh/2026-08-10-bivalves\n\n#aquaculture #sustainability #foodsystems",
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