Aquatic insects are invertebrate arthropods that live primarily in freshwater habitats. More than 76,000 aquatic insect species are known. Representative examples include the great silver water beetle (Hydrophilus piceus), diving beetles (Dytiscidae), haliplids (Haliplidae), and hygrobiids (Hygrobii...
As their name suggests, aquatic birds are species that have evolved to live on or around water—both freshwater and marine. Despite sharing a love of water, they display striking diversity in body shape, behavior, and ecological roles: some wade in shallows, others dive deep, some skim the surface,...
Aquatic reptiles are ectothermic (cold-blooded) vertebrates with dry, scaly skin, adapted to life in marine or freshwater environments. They rely primarily on lung-based respiration and possess various morphological and physiological adaptations that enable them to thrive in aquatic ecosystems. This...
Who is the smartest among terrestrial animals? One might think a chimpanzee. But there are many smart animals in the ocean. This article will list ten of the smartest sea creatures, including killer whales, dolphins, octopuses, sea otters, humpback whales, Schreiner's toothfish, groupers, ant...