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Typically, hair algae grows in a carpet of dense, short filaments. Oedogonium in particular may be referred to as hair algae. Hair algae may be caused by too much light in the aquaria. [11] Oedogonium may also be called fuzz algae and green beard algae (GBA). [3] Reticulated algae or branching algae is a green algae of the genus Cladophora. It ...
Here, algae-based fuels hold great promise, [120] [121] directly related to the potential to produce more biomass per unit area in a year than any other form of biomass. The break-even point for algae-based biofuels is estimated to occur by 2025. [122]
A sand-sifting goby cleans the substrate through its gills, including getting rid of certain bacteria, and also grazes on algae. A peaceful fish that should be kept alongside similarly non ...
Forage fish: Forage fish occupy central positions in the ocean food webs. The organisms it eats are at a lower trophic level, and the organisms that eat it are at a higher trophic level. Forage fish occupy middle levels in the food web, serving as a dominant prey to higher level fish, seabirds and mammals. [28] Predator fish; Ground fish
The term includes some types of Rhodophyta (red), Phaeophyta (brown) and Chlorophyta (green) macroalgae. Seaweed species such as kelps provide essential nursery habitat for fisheries and other marine species and thus protect food sources; other species, such as planktonic algae, play a vital role in capturing carbon and producing at least 50% ...
When the fish is young, it undergoes a radical transformation when it moves from saltwater to a freshwater stream. The mouth migrates over a period of two days from the front of its head to its chin. This allows the fish to feed by scraping algae from rocks. Pictured is the goby before and after the transformation. [145] [146] Vampire fish
Some fish stores or pet shops may have these infusoria available for live purchase, but typically they are sold in frozen cubes—for example, by the Japan-based fish food brand Hikari. Still, some advanced aquarists , with especially large collections of fish, will breed and cultivate their own supplies of the microorganisms.
[50] [51] Brown algae form a class containing about 2,000 recognised species, [52] mostly multicellular and including many seaweeds such as kelp. Unlike higher plants, algae lack roots, stems, or leaves. They can be classified by size as microalgae or macroalgae. Microalgae are the microscopic