description Painted Sea Urchin Overview
The painted sea urchin is Lytechinus pictus, a small echinoderm native to the eastern Pacific Ocean. It is recognized by its pale or white spines and is found in shallow marine habitats, including rocky shores and subtidal areas along parts of the Pacific coast. Its embryos and larvae have also made the species relevant to developmental biology and laboratory studies of sea urchin reproduction.
help Painted Sea Urchin FAQ
What is the scientific name of the painted sea urchin?
The painted sea urchin is Lytechinus pictus. It is a small echinoderm native to the tropical and subtropical eastern Pacific.
How can I recognize Lytechinus pictus?
It commonly has pale or grayish coloring with short, robust spines whose bases are often white. Juveniles can show banded spines, while adults may reach roughly 40 millimeters across the test.
Where does the painted sea urchin live?
Lytechinus pictus occurs along parts of the eastern Pacific, including shallow rocky and subtidal habitats. Its known range extends into tropical and subtropical waters rather than the Indo-Pacific.
Why is the painted sea urchin used in research?
Its embryos are useful for studying fertilization, development, and metamorphosis in echinoderms. Researchers have also developed laboratory culture and genomic resources for Lytechinus pictus.
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