Shoal & Stem

Species Catalogue

384 species matching your filters — care guides, community photos, water parameters, and tank-mate compatibility.

plant
beginner

Micrantha Lily

Nymphaea micrantha

plantfreshwater

Small water lily that propagates prolifically from plantlets on its floating leaves. Produces striking red-spotted green pads. Remove surface leaves regularly to keep the plant growing compact submersed growth.

plant
beginner

Micranthemum Umbrosum

Micranthemum umbrosum

plantfreshwater

Baby Tears or Pearl Grass, this cheerful stem plant produces tiny, round, bright green leaves and grows fast even without CO2. Ideal for mid-ground mounds or as a floating plant for shrimp tanks. Often confused with HC Cuba but its leaves are larger and it is far more tolerant of low-tech conditions.

plant
beginner

Microsorum Pteropus Needle Leaf

Microsorum pteropus 'Needle Leaf'

plantfreshwater

Needle Leaf Java Fern produces extremely narrow, grass-like fronds that are distinctly different from standard Java Fern. The slender leaves create a delicate, airy texture that contrasts beautifully with broad-leaved plants. It shares the same hardy, low-light, epiphytic growth habit of regular Java Fern — easy to grow attached to rock or wood.

plant
beginner

Microsorum Trident

Microsorum pteropus 'Trident'

plantfreshwater

The trident java fern is a cultivar with deeply lobed, multi-pronged fronds that create an elegant, fern-like silhouette. Like all java ferns it attaches to hardscape and requires no substrate. Very low-maintenance and suitable for low-tech tanks.

plant
beginner

Mini Christmas Moss

Vesicularia sp. 'Mini Christmas'

plantfreshwater

Miniature version of Christmas Moss with denser, more compact triangular fronds. Creates tighter texture on hardscape. Very popular for scapes.

plant
Xexpert

Mini Eriocaulon

Eriocaulon cinereum

plantfreshwater

Tiny rosette plant forming grass-like tufts. One of the most challenging aquarium plants to keep long-term. Needs very soft, acidic water, strong light, and CO2.

plant
intermediate

Mini Pellia

Riccardia chamedryfolia

plant

Mini Pellia is a small liverwort that grows as a low, spreading cushion of dark green, branching thallus. It attaches readily to rock and wood and is prized for its dense, velvety texture in Nature Aquarium compositions. Slower growing and more demanding than Java Moss, it prefers cooler, well-oxygenated water with CO2.

plant
intermediate

Monte Carlo

Micranthemum tweediei

plantfreshwater

Monte carlo produces small, round leaves on creeping stems and is widely used as a foreground carpet alternative to hairgrass. It requires moderate to high light and CO2 injection to spread horizontally rather than growing upward. Its bright green colour adds a vivid pop to Nature Aquarium-style aquascapes.

plant
Eeasy

Mosquito Fern

Azolla pinnata

plantfreshwater

Mosquito Fern is a small, floating aquatic fern with delicate, feathery fronds that form dense mats on the water surface. It displays distinctive reddish or brownish coloration under high light and nutrient-rich conditions. This fast-growing plant is excellent for shading and nutrient export, making it ideal for beginner aquarists.

plant
beginner

Murdannia Keisak

Murdannia keisak

plantfreshwater

Pink-stemmed plant with narrow leaves. Develops beautiful pink-red colouration even under moderate light. Very easy red/pink stem plant.

plant
beginner

Myriophyllum Aquaticum

Myriophyllum aquaticum

plantfreshwater

Parrot's Feather is a fast-growing, feathery stem plant with blue-green whorled leaves. It grows both submerged and emersed. Excellent for ponds and unheated tanks. Grows vigorously without CO2, absorbing nutrients rapidly and helping suppress algae. In warm tanks it may require pruning weekly to keep it manageable.

plant
intermediate

Myriophyllum Guyana

Myriophyllum sp. 'Guyana'

plantfreshwater

Very fine, feathery stem plant with orange-red tips under strong light. Creates a soft, cloud-like effect in backgrounds.

plant
intermediate

Myriophyllum Mattogrossense

Myriophyllum mattogrossense

plantfreshwater

Myriophyllum mattogrossense produces feathery red-green whorled leaves on reddish stems, creating an ornate background plant. Under high light and CO2 the foliage intensifies to deep burgundy. It is a fast grower that needs regular trimming.

plant
intermediate

Myriophyllum Tuberculatum

Myriophyllum tuberculatum

plantfreshwater

Red Foxtail is one of the deepest red aquatic plants available. It produces whorls of fine, needle-like leaves that range from orange-red to blood-red under intense light. The feathery texture combined with vivid colouration makes it a showpiece background plant in high-tech scapes. Demanding of light, CO2, and micronutrients.

plant
beginner

Najas Guadalupensis

Najas guadalupensis

plantfreshwater

Known as Guppy Grass or Najas Grass, this fast-growing, fine-leaved plant is a superb filtration plant and spawning medium. It floats freely or can be weighted down. Its vigorous growth absorbs excess nutrients, helping combat algae. Very tolerant of a wide range of water conditions.

plant
Eeasy

Narrow Leaf Java Fern

Microsorum pteropus Narrow Leaf

plantfreshwater

Narrow Leaf Java Fern is a slender, elegant variant of the popular Java Fern with distinctly thin, needle-like fronds that create a delicate, feathery appearance. This slow-growing epiphytic fern thrives in low to medium light and requires no CO2, making it ideal for beginner aquarists. Its compact growth habit and attractive foliage make it perfect for attaching to rocks or driftwood in any freshwater setup.

plant
beginner

Narrow Leaf Marsilea

Marsilea angustifolia

plantfreshwater

Low-growing fern that forms a carpet of narrow, single or double-lobed leaves. Very easy and adaptable foreground plant.

plant
beginner

Narrow Leaf Sagittaria

Sagittaria subulata var. gracillima

plantfreshwater

Extra-narrow form of Dwarf Sagittaria. Grass-like appearance. Spreads quickly by runners. Great low-tech carpet/foreground option.

plant
beginner

Narrowleaf Temple Plant

Hygrophila corymbosa

plantfreshwater

Narrow, willowy leaves give this variant a graceful, feathery appearance unlike its broad-leafed relatives. Great for creating visual contrast alongside wider-leaved plants. Just as hardy as the parent species.

plant
intermediate

Needle Hairgrass

Eleocharis acicularis

plantfreshwater

Eleocharis Acicularis, Needle Hairgrass, produces extremely fine, hair-like leaves that are noticeably thinner and longer than the closely related E. parvula, creating a delicate, windswept grass carpet effect. It requires good light and CO2 to spread vigorously via runners; without injection it grows slowly and sparsely. Regular trimming keeps the carpet dense and lush.

plant
Eeasy

Needle Leaf Java Fern

Microsorum pteropus Needle Leaf

plantfreshwater

Needle Leaf Java Fern is a slender, delicate variant of the popular Java Fern with thin, needle-like leaves that create an elegant, feathery appearance. This rhizome-based epiphyte is extremely hardy and requires no substrate rooting, making it ideal for attaching to rocks or driftwood. It thrives in low to medium light and is one of the easiest aquatic plants for beginners.

plant
intermediate

Nesaea Crassicaulis

Nesaea crassicaulis

plantfreshwater

A striking stem plant with relatively large, broadly oval leaves that take on vivid orange-red tones under high light. The thick stems give it its species name (crassicaulis = thick-stemmed). It requires good light, CO2, and regular fertilisation but rewards with some of the most vivid colouration of any aquatic stem plant.

plant
advanced

Nesaea Golden

Nesaea pedicellata 'Golden'

plantfreshwater

Vibrant golden-orange stem plant that stands out from typical reds and greens. Demanding but creates unique colour contrast in high-tech scapes.

plant
Mmedium

Nymphaea Stellata

Nymphaea stellata

plantfreshwater

Nymphaea Stellata is a stunning red water lily with star-shaped leaves that deepen in color under high light conditions. This rooted stem plant produces both submerged and floating leaves, creating a striking visual focal point in the aquarium. It is moderately demanding but rewarding for aquarists willing to provide adequate lighting and nutrients.

plant
beginner

Nymphoides Taiwan

Nymphoides sp. 'Taiwan'

plantfreshwater

Taiwan Nymphoides produces attractive round-to-heart-shaped leaves with reddish-brown mottling on the underside. It spreads by runners and can be kept compact with regular trimming. Unlike surface-growing Nymphoides, it stays submerged in good lighting. A distinctive mid-ground to background plant with a bold, pond-like aesthetic.

plant
beginner

Octopus Plant

Pogostemon octopus

plantfreshwater

Unique plant with long, thin tentacle-like leaves arranged in whorls. Fast-growing, forgiving, and adaptable. Excellent hiding place for fry and shrimp.

plant
beginner

Odora Hygrophila

Hygrophila odora

plantfreshwater

A lesser-known species with elegant, slightly wavy narrow leaves. Grows quickly in good conditions and provides dense cover for fish and invertebrates. The emersed form produces small fragrant flowers, giving the species its name.

plant
advanced

Ottelia Mesenterium

Ottelia mesenterium

plantfreshwater

Spectacular Australian Ottelia with large, heavily ruffled leaves. One of the most dramatic aquatic plants. Very challenging to keep long-term.

plant
beginner

Peacock Moss

Taxiphyllum sp. 'Peacock'

plantfreshwater

Peacock Moss derives its name from the fan-like, layered fronds that resemble peacock feathers. It grows as dense, overlapping layers of triangular, feathery growth. One of the most attractive aquatic mosses for detail work on rock and wood in aquascaping. Hardy and adaptable, doing well in a wide range of conditions.

plant
beginner

Pellia Moss

Monosolenium tenerum

plantfreshwater

A flat, ribbon-like liverwort with a deep green, glossy surface that forms dense, spreading sheets on hardscape or the substrate. It is not a true moss but is widely sold and used as one. Particularly popular in shrimp and nano tanks — the flat, broad fronds create excellent grazing and hiding surfaces for dwarf shrimp. Grows slowly and does not need attachment, but its dense structure means it can smother smaller plants if left unchecked.

plant
intermediate

Persicaria Kawagoeanum

Persicaria kawagoeanum

plantfreshwater

A rare and highly distinctive stem plant with tiny, deeply lobed, reddish leaves that give it the appearance of a miniature oak tree underwater. Extremely sought-after in high-tech planted tanks. Requires strong light, CO2, and micronutrient-rich fertilisation to display its best colouration.

plant
intermediate

Persicaria São Paulo

Persicaria sp. 'São Paulo'

plantfreshwater

Narrow, lance-shaped leaves that develop pink to red coloration. A less demanding alternative to high-tech red plants. Fast grower.

plant
Eeasy

Philippine Java Fern

Leptochilus decurrens

plantfreshwater

Philippine Java Fern is a hardy, slow-growing rhizome plant with narrow, deeply lobed fronds that create an elegant, feathery appearance. It thrives in low to medium light and requires no CO2, making it ideal for beginner aquarists. This epiphytic fern attaches to wood and rock, adding natural texture and shade to any aquascape.

plant
intermediate

Pogostemon Deccanensis

Pogostemon deccanensis

plantfreshwater

Fine-leaved stem plant with whorls of needle-like leaves. Creates a very different texture from typical plants. Good CO2 response.

plant
intermediate

Pogostemon Erectus

Pogostemon erectus

plantfreshwater

Pogostemon erectus is a striking stem plant with needle-like whorled leaves arranged in perfect spirals around each stem. It creates a distinctive, almost Christmas-tree silhouette. It requires CO2 and good nutrients to maintain its compact, fine-textured form.

plant
intermediate

Pogostemon Helferi

Pogostemon helferi

plantfreshwater

Pogostemon helferi (Downoi or Little Star) is a distinctive, star-shaped rosette plant from Thailand with deeply ruffled, wavy-edged bright-green leaves radiating from a central crown. It grows low (5–8 cm) and is one of the few compact foreground rosette plants with real textural interest. It requires medium to high light and benefits from CO2 and soft, slightly acidic water. Popular in detailed Iwagumi and Nature Aquarium aquascapes.