Fresh Water

Vallisneria asiatica var. biwaensis

Hydrocharitaceae Print

Family: Hydrocharitaceae
Synonym Names: Vallisneria americana var. biwaensis (Miki) Lowden, Vallisneria biwaensis (Miki) Ohwi, Vallisneria natans var. biwaensis (Miki) H. Hara

More info

Datasheet

Aquarium Compatibleyes
Plant Outdoorunknown
Plant Emersed Growthno
Plant Growthfast
Temperature Tolerance4°C / 39.20°F - 28°C / 82.40°F
Temperature22°C / 71.60°F - 28°C / 82.40°F
Carbonate Hardness2-21 kh
pH Value6-8 ph
Lightmedium-high
Carbon Dioxide (CO2)10-40mg/lmg/l
Nitrate (NO3-)10-50mg/lmg/l
Phosphate (PO43-)0.1-3mg/lmg/l
Potassium (K+)5-30mg/lmg/l

General Description

Vallisneria asiatica var. biwaensis is a fast-growing aquatic plant belonging to the Hydrocharitaceae family. This rosette plant typically reaches heights of 20-40cm and is native to Japan, specifically found in Lake Biwa. It is considered a seed plant and falls under the order Alismatales.

Aquarium Suitability

This plant is suitable for aquariums, particularly for background or midground placement due to its fast growth. It is deemed easy to care for in an aquarium setting and can thrive given the appropriate conditions and care. For specific water parameter requirements, refer to the table for detailed information.

Demands and Hardiness

In the aquarium setting, Vallisneria asiatica var. biwaensis prefers medium to high lighting and temperatures ranging from 22-28°C. It can tolerate a pH of 6-8 and requires carbon dioxide levels between 10-40mg/l. When it comes to nutrient levels, nitrate (NO3-), phosphate (PO43-), and potassium (K+) should fall within specific ranges (see table). The plant is adaptable to varying temperatures, tolerating between 4-28°C.

Aquascaping & Usage

This plant can serve as an excellent background or midground element in aquascaping layouts. Its tall, slender leaves create a lush green appearance and can provide a natural feel to the aquarium environment. When appropriately placed and maintained, Vallisneria asiatica var. biwaensis contributes to the aesthetics and overall balance of the tank.

Propagation

Propagation of Vallisneria asiatica var. biwaensis occurs through runners, which are lateral shoots that develop and form new plantlets. These plantlets can be separated and replanted to expand the population of the plant within the aquarium.

Habitat and Distribution

Endemic to Japan, this plant specifically thrives in Lake Biwa. Its natural habitat includes freshwater environments with suitable conditions for growth and reproduction. The plant's distribution is limited to this region, where it plays a vital role in the aquatic ecosystems it inhabits.

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