Food, water, shelter, space...etc.
why cannot a mayfly eat
yes a fish can eat a mayfly Nymph.
A Mayfly Nymph breathes with gills on the side of their body.
Spiny crawler is what the Hendrickson mayfly (Ephemerella subvaria) nymph is called.Specifically, the nymph is the immature developmental stage of the mayfly. It is what hatches out of the eggs laid by the female after mating with the male Hendrickson mayfly. It looks like a developing, smaller version of the mature Hendrickson mayfly.
what is this
no
No.
Most are.
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Burrowing Mayfly is produced in the morning, is handed down that it dies in the evening, and is short-lived.
mayfly larvae eat the stems of water plants, vegetation growing on rocks and other small creatures
most types of mayfly nymphs are omnivorous but some types can be either herbivores or carnivores as well