Algae Photos Gallery

Pictures of Different Algae, Including Brown, Red, Green Algae and more

Pictures of a number of algae types including Brown Algae, Red Algae, Brown\Golden Diaton Algae, Green Algae, Purple/Pink Coralline Algae and Red Slime Alga.

  • 01 of 07

    Brown Algae Picture Gallery

    Chnoospora minima
    Chnoospora minima. Photo by Keoki Stender

    The Brown Algae Photo Gallery contains a number of algae species which are in the Division Heterokontophyta and found in the Hawaiian and Indo-Pacific areas of the Pacific Ocean. Many of these alga are found on ​live rock in marine aquariums. Some of these algae are useful in aquariums for reducing nitrates and phosphate levels.

  • 02 of 07

    Brown/Golden Diatom Algae Pictures

    Zen Rial/Getty Images

    Referred to as brown or golden algae, which is actually not ​algae at all, but diatoms, this is one of the first to appear in the chain algae when the tank conditions are conducive for growth and is usually a precursor to other forms of both desirable and nuisance forms of green macroalgae.

  • 03 of 07

    Green Algae Picture Gallery

    Caulerpa webbiana
    Caulerpa webbiana. Photo by Keoki Stender

    Photos of Green algae (seaweeds) in the Division Chlorophyta found in the Hawaiian and Indo-Pacific areas of the Pacific Ocean. Many of these algae are found on live rock in marine aquariums. Some of these algae are useful in aquariums for reducing nitrates and phosphate levels. Many of these species are considered to be nuisances as they will overrun an aquarium in a short period of time.

  • 04 of 07

    Green Hair Alga Pictures

    Photo by S. Boss

    Green Hair Alga is one of the most dreaded of algae in a saltwater aquarium. See Green Hair/Net Algae for information on how to identify and remove this algae from your tank.

    Continue to 5 of 7 below.
  • 05 of 07

    Purple/Pink Coralline Algae Pictures

    Stan & Debbie Hauter

    Purple or Pink Coralline Algae is the good type algae which every aquarist hopes to see in their tank.

  • 06 of 07

    Red Algae Picture Gallery

    Dichotomaria marginata
    Dichotomaria marginata. Photo by Keoki Stender

    A photos gallery of Red (Rhodophyta) Algae which can be found in the ocean and, quite often, in saltwater aquariums. Red macro algae species (Rhodophyta Division) do not always appear red in color. These algae are scientifically classified as "red" because of the way they process light in the red spectrum.

  • 07 of 07

    Red Slime Algae Pictures

    Red Slime & Green Hair Algae
    Red Slime & Green Hair Algae. Stan & Debbie Hauter

    is actually not a "true" algae at all, but classified as a [i]cyanobacteria[i]. Most forms found in saltwater range in colors from blackish green to blue-green, orange-yellow to reddish-brown, and often appear as deep purple to fully black in color.