the echinus features detailed spines and vivid colors, showcasing natures unique

invertebrate animal insect spider nature arthropod leaf flower wildlife spiderweb organism plant branch food beetle echinus sea creature marine life spines urchin underwater environment nature ocean biodiversity aquatic detailed colorful organism texture wildlife natural patterns spiky habitats ecosystems invertebrate deep sea coastal biology echinoderm organisms ocean floor coral reef oceanic vibrant colors microscopic view ecology beauty biological diversity kingdom habitat underwater world life cycle environmental science seasonal changes exploration forms adaptation