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Algae Types and Uses
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Kelp (Laminaria species)
Large brown marine algae used as a feed additive, biofuel source, and bioremediator in aquaculture systems.
Caulerpa
A green macroalgae noted for its invasive potential, but also utilized as a natural food source for fish and a decorative element in aquaria.
Artemia
Not an algae, but a brine shrimp commonly used in conjunction with algae in aquaculture as a primary feed for larval stages.
Pavlova
A small golden algae used as live feed for a variety of aquaculture species due to its balanced nutritional profile.
Euchema
A type of red algae farmed for carrageenan, a substance used as a thickening agent in food and in aquaculture feeds.
Cyanobacteria
Photosynthetic bacteria that can be both useful and harmful in aquaculture, used selectively in some systems for nitrogen fixation and biomass production.
Haematococcus pluvialis
Freshwater algae known for producing astaxanthin, a compound used in fish feed to enhance coloration, especially in salmonids.
Isochrysis
A golden-brown microalgae important in mariculture, especially in the hatchery stage of bivalves, due to its DHA content.
Chlorella
A green microalgae used in biotechnology for its ability to bio-accumulate heavy metals and as a superfood.
Ulva (Sea Lettuce)
Green macroalgae often used as a biofilter in integrated multi-trophic aquaculture systems, absorbing excess nutrients from water.
Porphyridium
Unicellular red algae used for producing polysaccharides and pigments, with potential applications in aquaculture as a feed additive.
Spirulina
A cyanobacteria rich in protein and nutrients, often used as a supplement in aquafeed.
Schizochytrium
A genus of marine microalgae cultivated for its high DHA content, used in feed formulations to enhance the omega-3 fatty acid content.
Tetraselmis
A green flagellate algae used as live feed in hatcheries, especially for bivalve mollusks, due to its nutritional profile.
Phaeodactylum tricornutum
A diatom valuable for its high EPA content and use in feeds for bivalves and crustaceans.
Gracilaria
Red algae cultured for the extraction of agar, a gelling agent, and occasionally used directly in herbivorous fish diets.
Dunaliella salina
Microalgae that accumulates large amounts of beta-carotene, used as a natural colorant and antioxidant in aquaculture feeds.
Nori (Porphyra species)
Red algae commonly cultivated for human consumption, also incorporated into feeds for various aquaculture species.
Chaetoceros
A genus of diatoms frequently used in aquaculture as feed, particularly for larval stages of mollusks and crustaceans due to their size and nutritional value.
Nannochloropsis
A genus of microalgae high in EPA, a fatty acid valuable for fish nutrition and commonly used in larval rearing stages.
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