WHAT THE EVIDENCE SAYS
A literature synthesis consolidated records from 82 publications spanning over a century and about 280 collection stations. The compiled checklist includes 107 reported copepod taxa in 25 families, with east–west differences in which taxa were detected.
WHY IT MATTERS / OUR READ
Baseline inventories are important for environmental assessments of shipping, warming and marine industrial expansion, but where and when a sample was taken matters as much as the length of the species list.
CAVEATS / UNCERTAINTY
Heterogeneous sampling gears, taxonomy, seasons and geographic effort make this an inventory rather than a standardized temporal trend or proof of regional extinction or redistribution.
SOURCE
Discover Oceans · Arabian Gulf copepod inventory
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