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  2. Halocaridina rubra - Wikipedia

    en.wikipedia.org/wiki/Halocaridina_rubra

    Halocaridina rubra is endemic to the Hawaiian Islands, and most commonly found in anchialine pools in fresh lava substrates on Hawaiʻi and Maui Island; it has also been found in limestone karst pools and hypogeal habitats in limestone on older islands, such as Oʻahu. Its habitat is unique and sparsely represented on five of the eight high ...

  3. Aquascaping - Wikipedia

    en.wikipedia.org/wiki/Aquascaping

    Aquascaping is the craft of arranging aquatic plants, as well as rocks, stones, cavework, or driftwood, in an aesthetically pleasing manner within an aquarium—in effect, gardening under water. Aquascape designs include a number of distinct styles, including the garden-like Dutch style and the Japanese-inspired nature style. [ 1 ]

  4. Substrate (aquarium) - Wikipedia

    en.wikipedia.org/wiki/Substrate_(aquarium)

    For freshwater aquaria, gravel is the most common substrate. To prevent damage to fish, gravel should not be sharp. Aquarium gravel can be as coarse as pea-sized or as fine as 1–2 mm. [1] It is available in a number of colors, and may be naturally colored or dyed, and may have a polymer seal to ensure it does not affect water chemistry. [1]

  5. Ecosphere (aquarium) - Wikipedia

    en.wikipedia.org/wiki/Ecosphere_(aquarium)

    The EcoSphere's main visual appeal is provided by tiny red-pink shrimp, Halocaridina rubra, between 1/4 and 3/8 inch (or approximately a centimeter) in length. The shrimp swim energetically around the aquarium, eat the brown bacterial and algal scum on the glass, consume the filamentous green algae which sometimes forms a globular pillow in the ...

  6. AP PHOTOS: Rivers and fountains of red-gold volcanic lava ...

    www.aol.com/news/ap-photos-rivers-fountains-red...

    Rivers of lava spewed from a fissure in the mountainside, snaking downwards and erupting in fountains of red and gold molten rock when the Fagradalsfjall volcano erupted this week in a fishing ...

  7. Live rock - Wikipedia

    en.wikipedia.org/wiki/Live_rock

    Live rock is highly valued in the aquarium trade. It introduces a diverse array of bacteria, algae, and invertebrates to the closed marine environment and functions as a superior biological filter that hosts aerobic and anaerobic nitrifying bacteria required for the nitrogen cycle that processes waste.