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Shoal & Stem

Flora & Fauna

673 entries β€” care guides, placement tips, and notes from the community

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Vallisneria Americana

Vallisneria americana

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A tall, ribbon-leaved background plant that spreads aggressively by runners to create natural-looking grass beds. Leaves can reach 50–100 cm, making it ideal for very tall tanks or ponds. Very adaptable and grows without CO2 injection in moderate to hard water. An excellent fish habitat plant that oxygenates the water actively.

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Vallisneria Nana

Vallisneria nana

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Vallisneria nana is a dwarf vallisneria with narrow, grass-like leaves that stay much shorter than spiral vallisneria. It spreads prolifically via runners and creates natural-looking meadow backgrounds. Excellent for tanks with moderate lighting and no CO2.

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Vallisneria Spiralis

Vallisneria spiralis

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Vallisneria spiralis is a fast-growing ribbon grass that produces long, narrow, strap-like leaves that spiral slightly as they grow, creating a graceful waving motion in moderate current. It is one of the easiest and most forgiving background plants available, tolerating hard, alkaline water that challenges most aquatic plants. It spreads rapidly via runners and can quickly fill the background of large aquariums without CO2 injection.

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Vallisneria Tortifolia

Vallisneria tortifolia

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The corkscrew Vallisneria produces striking, tightly twisted ribbon leaves that spiral as they grow. Unlike straight Vallisneria species it stays at a medium height (20–40 cm), making it more versatile in mid-sized tanks. A distinctive textural element in planted tank backgrounds, especially effective in Dutch Style rows.

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Water Lettuce

Pistia stratiotes

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Water lettuce is a floating rosette plant with velvety, pale green leaves and a substantial root system. It provides excellent shade, nutrient export, and shelter for surface-shy fish. It grows rapidly in bright conditions and may become invasive outdoors.

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Water Sprite

Ceratopteris thalictroides

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Water Sprite is a versatile aquatic fern that can be grown both floating and rooted. The finely dissected, lacy fronds give it a delicate, feathery appearance. Floating specimens develop broader, more deeply lobed leaves and provide excellent surface cover and fry refuge. A classic, beginner-friendly plant that grows vigorously.

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Water Wisteria

Hygrophila difformis

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Water wisteria is a fast-growing stem plant with deeply lobed, feathery leaves that vary in form depending on light intensity. It is an excellent nutrient sponge that helps control algae in new setups. Cuttings root readily and it adapts to a wide range of water parameters.

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Water Wisteria

Hygrophila difformis

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Famous for its deeply pinnate, fern-like leaves that look remarkably intricate yet require almost no effort. A true beginner's showpiece β€” grows rapidly, outcompetes algae, and can be planted or left floating. Leaf shape changes dramatically depending on light intensity.

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Wavy Aponogeton

Aponogeton crispus

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A bulb plant with long, bright green leaves that have distinctly wavy, crinkled margins. One of the easiest Aponogeton species to keep, tolerating low light without CO2 injection. It goes through natural growth and dormancy cycles β€” if leaves die back, leave the bulb and it will re-sprout. An excellent low-maintenance background plant.

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Weeping Moss

Vesicularia ferriei

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Weeping Moss is prized for the elegant downward-drooping habit of its fine fronds, which cascade gracefully off driftwood and rocks like a willow tree in miniature. This weeping growth pattern is most pronounced in moderate flow and makes it one of the most aesthetically distinct mosses for aquascaping. It is slightly slower growing than Java Moss but creates a more refined, delicate textural effect.

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Willis's Cryptocoryne

Cryptocoryne x willisii

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One of the smallest and most versatile cryptocorynes β€” stays compact even in high light. Deep green, slightly wavy leaves. Perfect low-maintenance foreground or midground plant that spreads via runners.

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Willow Hygrophila

Hygrophila salicifolia

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Long, willow-shaped leaves up to 15 cm in length give this species a softer, more natural look compared to other Hygrophilas. The leaves are pale green and narrow, creating a flowing appearance in flow or current. One of the taller background choices in the genus.