the.com/rockpool
A tiny ocean held hostage by the tide, full of things that pinch.
means A pool of seawater trapped among coastal rocks at low tide, hosting marine life until the sea returns.
from Plain English doing exactly what it says: a pool, among rocks, joined sometime in the 1700s as coastlines became leisure rather than livelihood.
Brutal physicsTemperature and salinity swing wildly between tides.
Tough tenantsAnemones and crabs survive being repeatedly stranded.
Victorian crazeRockpooling fuelled a 1850s seaside collecting mania.