Deep within just cave systems, creatures stay their overall life shrouded in darkness. Some, like the aptly named blind catfish, have even progressed to be entirely eyeless. Other individuals, like certain cave spiders and centipedes, have elongated limbs that provide as sensory organs. Approximately all are semitranslucent and devoid of pigment. These adaptations to the dim are known as troglomorphisms. If you enterprise into the word’s etymological depths, you will discover the Greek root morph, which means sort or form, lurking guiding the prefix troglo, or cave-dwelling.
This appeared in the June 2020 challenge of Learn journal. Subscribe for additional tales like these.