Here are complete details about Guppy Grass, one of the most popular and beginner-friendly aquatic plants: 🌿 Guppy Grass (Najas guadalupensis) ✅ Common Names: Guppy Grass Najas Grass Common Water...
Here are complete details about Guppy Grass, one of the most popular and beginner-friendly aquatic plants:
Guppy Grass
Najas Grass
Common Water Nymph
Water Najas
Kingdom: Plantae
Family: Hydrocharitaceae
Genus: Najas
Species: Najas guadalupensis
Appearance: Delicate, slender stems with many fine, branching leaves.
Leaf Color: Light to medium green, sometimes translucent.
Leaf Texture: Thin, narrow, and slightly serrated.
Growth Pattern: Bushy, tangled appearance — provides excellent cover.
Size: Can grow up to 30–90 cm in length.
Parameter | Details |
---|---|
Lighting | Low to high (moderate preferred for best growth) |
CO₂ | Not required, but helps with faster growth |
Substrate | Not necessary (can float or be planted) |
Temperature | 20°C – 28°C (68°F – 82°F) |
pH Range | 6.0 – 7.5 |
Water Hardness | Soft to moderately hard water |
Very fast-growing — can quickly overtake a tank.
Grows both floating and planted.
Absorbs excess nutrients from water, helping to prevent algae.
Offers excellent biological filtration.
Grows well in low-tech setups.
Requires frequent trimming to prevent it from crowding the tank.
Can break apart if handled roughly — use gentle pruning.
Remove dying or browning parts to keep water quality high.
Can be left floating or planted into the substrate.
If planting, anchor gently with plant weights or let roots form naturally.
Best placed in midground or background depending on tank size.
Perfect for breeding tanks — provides shelter for fry (especially guppies).
Compatible with most freshwater fish and shrimp.
Goldfish may eat it unless well-fed.
Used in tanks with livebearers, bettas, shrimp, and tetras.
Very easy to propagate.
Simply cut the stem and replant or let it float — new roots will form.
In high light and rich nutrient tanks, it can become invasive.
May shed leaves during sudden changes in parameters.
Great plant for low-tech planted tanks or no-CO₂ setups.
Widely available in aquarium shops and online.
Usually sold in bunches or loose stems.
Fry tanks, shrimp tanks, low-tech aquascapes, ponds, and natural biotope setups.
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