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@DrPlanktonguy@ecoevo.social
2025-06-14 14:00:49

Weekend #Plankton Factoid 🦠🦐
Mating by copepods is a complicated process since they are always at risk of predation by other plankton or fishes. Male #copepods carefully mechanically and chemically track a receptive female, capture them, and deposit an adhesive spermatophore near the genital open…

image/jpeg a microscope photograph of a shrimp-like male calanoid copepod with very long antennae with one having a distinct kink in it marked with a "ga" as a geniculate antenna. Source: An Image-Based Key To The Zooplankton Of North America
Version 5.0.

image/jpeg two shrimp-like copepods are shown side by side, one female carrying paired egg sacs off the abdomen, and a slightly smaller male with distinctively hooked antennae. A scale bar indicates they are approximately 1 mm long. Cyclops bicuspidus, NOAA GLERL.

@DrPlanktonguy@ecoevo.social
2025-05-10 14:00:44

Weekend #Plankton #Factoid 🦠🦐
I've always been impressed by this video from New Scientist about #copepods, the planet's most abundant multicellular organism, with interviews from several UK uni…

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@DrPlanktonguy@ecoevo.social
2025-06-21 13:30:54

Weekend #Plankton Factoid 🦠🦐
Did you know some #copepods can "porpoise" out of the water, even though they are only mm sized? The forces required for them to break the significant surface tension of the water is enormous, 10x larger than other animals scaled to size. This requires swim…

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