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An incredibly difficult species of macroalgae to care for as it demands very stable, lower temperature environments and struggles to survive in small aquarium systems. It has a rubbery composition; comes in yellow, orange, and red colorations; and is made up of spiny branches and branchlets.
A species of "watchman" or "shrimp" goby that can form a symbiotic relationship with pistol shrimp: 7 cm (2.8 in) Yasha goby: Stonogobiops yasha: Yes: A species of "watchman" or "shrimp" goby that will form a symbiotic relationship with the red and white banded pistol shrimp, Alpheus randalli. 6 cm (2.4 in) Yellow clown goby: Gobiodon okinawae: Yes
Several species of terrestrial plants are frequently sold as "aquarium plants". While such plants are beautiful and can survive and even flourish for months under water, they will eventually die and must be removed so their decay does not contaminate the aquarium water. These plants have no necessary biology to live underwater.
Scientists have identified several new marine species in a pristine underwater ecosystem recently discovered in international waters -- and they expect to find more. Modern technology that allows ...
Today, marine species range in size from the microscopic phytoplankton, which can be as small as 0.02–micrometres; to huge cetaceans like the blue whale, which can reach 33 m (108 ft) in length. [5] [6] Marine microorganisms have been variously estimated as constituting about 70% [7] or about 90% [8] [1] of the total marine biomass.
The sump aids tank health by helping to oxygenate the water by increasing the amount of water/air surface area used for gas exchange. Some marine aquariums also include a refugium. Refugiums are small containers or aquariums that are hidden behind or beneath the main aquarium and connected to it via a water pump (often in a similar manner to a ...
Small aquariums are kept in the home by hobbyists. There are large public aquariums in many cities. Public aquariums keep fish and other aquatic animals in large tanks. A large aquarium may have otters, [3] dolphins, [4] sharks, [5] penguins, [6] [7] seals, [8] and whales. [9] Many aquarium tanks also have plants.
Modern aquarium tanks can hold millions of litres of water and can house large species, including dolphins, sharks or beluga whales. This is accomplished through thick, clear acrylic glass windows. Aquatic and semiaquatic mammals, including otters [8] and seals [9] are often cared for at aquariums.