Freshwater Cyclops – Species Profile

Female freshwater Cyclops. Source: wikimedia.

“Cyclops” is a common genera of copepod organisms found in freshwater habitats. The name comes from the mythical Greek creature, known for having only one eye, a characteristic shared by these minute creatures. Under magnification, this eye can be easily seen as a large red or black dot on the head. Cyclops are easy to spot on aquarium walls as tiny, white, tadpole-shaped specks that move in quick, jerky movements.

Care Level: Easy
Preferred Water: pH 6 to 8, soft to hard
Ideal Temperature: 64 to 72 °F (12.8 – 22.2 °C)
Maximum Size: 0.5mm to 5mm, depending on species
Average Lifespan: 3 months

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Water Lettuce – Species Profile

Source: Wikimedia.

Water Lettuce (Pistia stratiotes) is a freshwater, floating plant. Outdoors it can grow to a diameter of 12 inches or more, and is able to grow dense mats with fuzzy, pale green leaves. It has long trailing roots that can reach as long as several feet.

Care Level: Easy
Preferred Water: 6.5 – 7.2 pH – Soft to Moderately Hard
Minimum Lighting: Moderate to High with some available shade.
Temperature: 65 to 84 °F (18-29 °C)
Leaf Size: up to 6 in (~15.2 cm)

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Five Gallon Nano Aquarium – Part 2 “Dark Waters Ahead”

Last week I posted about a new 5.5 gallon nano aquarium I picked up at the second hand store and turned into a Walstad tank. A few days in I ended up changing a good 90% of the water because ammonia was spiking at 4.0 ppm! The water was pretty cloudy and full of tannins from the soil. If you remember, I lamented the loss of those beautiful tannins. Well guess what… they came back! Continue reading “Five Gallon Nano Aquarium – Part 2 “Dark Waters Ahead””