Speculative biology is a field of art where science and science fiction combine to come up with alternate ecologies and organisms. With the strangeness we continually discover about nature, how likely is a sexually dimorphic organism like this by scientific illustrator Rachel Caauwe, whose subjects include "the weird, the unknown, the misunderstood"?

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Speculative Dimorphism / Colossal Aquatic Female, Tiny Airborne Male by Rachel Caauwe

For more speculation about this organism's biology, see Rachel's description here.

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Twitter: @rcaauwe

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Everyday in September, we’re bringing you new science-art at the start of the day. How would these images be useful for science communication? STEM education? Drawing people closer to research? What kind of research? Let us know below!