VIKTOR POSNOV

Show Navigation

Image 1 of 1

Horseshoe Crabs Mating.jpg

Add to Cart Add to Lightbox Download
Three male horseshoe crabs attempt to mate with the larger female during the sunset. Horseshoe crabs are considered living fossils, the earliest fossils of animals are roughly 450 million years old. Horseshoe crabs have two compound lateral eyes, a pair of median eyes that are able to detect both visible light and UV-light, a single endoparietal eye, and a pair of rudimentary lateral eyes on the top. There is also a pair of ventral eyes located near the mouth, as well as a cluster of photoreceptors on the telson. Horseshoe crabs do not have hemoglobin in their blood, but instead use hemocyanin to carry oxygen. Because of the copper present in hemocyanin, their blood is blue.

Taken in Everglades NP, Florida
Copyright
Viktor Posnov
Image Size
4741x3140 / 10.5MB
Contained in galleries
South Eastern States 2012
Three male horseshoe crabs attempt to mate with the larger female during the sunset. Horseshoe crabs are considered living fossils, the earliest fossils of animals are roughly 450 million years old. Horseshoe crabs have two compound lateral eyes, a pair of median eyes that are able to detect both visible light and UV-light, a single endoparietal eye, and a pair of rudimentary lateral eyes on the top. There is also a pair of ventral eyes located near the mouth, as well as a cluster of photoreceptors on the telson. Horseshoe crabs do not have hemoglobin in their blood, but instead use hemocyanin to carry oxygen. Because of the copper present in hemocyanin, their blood is blue.<br /> <br /> Taken in Everglades NP, Florida