Najas Grass (Guppy Grass)

Guppy Grass Najas aquarium plant — universally
known as Guppy Grass — is the most popular
and trusted natural breeding and fry shelter
plant available for freshwater aquariums.
This guppy grass najas aquarium plant produces fine
delicate hair-like bright green leaves that
create the perfect natural sanctuary for
livebearer fry, shrimp babies, and the eggs
of egg-laying fish — making it an absolute
essential for any breeding tank or community
tank where protecting juvenile fish and shrimp
is a priority for any aquarium keeper in India.

Fast growing, completely natural, and
extraordinarily effective at protecting
vulnerable young fish and shrimp — this guppy grass guppy grass najas aquarium plant has been the trusted
companion of guppy and livebearer breeders
across India and worldwide for many decades
of successful aquarium breeding programmes.

What is Guppy Grass Najas Aquarium Plant?

Najas is a genus of submerged aquatic plants
found naturally in freshwater bodies worldwide —
with several species growing naturally in India
in ponds, rivers, and lakes throughout the
country. Najas Grass grows as a freely floating
or loosely rooted submerged plant producing fine
densely-branched stems covered in hair-like
bright green leaves that create a perfect
tangled natural habitat for any small aquatic
creature seeking shelter and protection from
larger tank inhabitants in the aquarium.

Why Choose Guppy Grass Najas Aquarium Plant?

🌿 Fine hair-like leaves create perfect
natural shelter for guppy fry and shrimp
🌿 Most popular trusted breeding plant
for livebearers in India and worldwide
🌿 Dramatically increases fry survival rates
in community tank environments naturally
🌿 Fast growing — quickly creates dense
natural shelter mass in any tank setup
🌿 Floating or loosely planted — completely
flexible placement in any aquarium setup
🌿 Natural food source — develops rich
biofilm that fry and shrimp graze on
🌿 No CO2 required — grows in any
low-tech setup without special equipment

How to Use Najas Grass

Simply place in your aquarium — floating
freely or loosely pushed into substrate — and
it grows naturally without any preparation
needed. For breeding tanks add a large dense
bunch to provide maximum surface area for fry
to hide within. Thin regularly by removing excess
growth to maintain good water flow through the
plant mass and prevent anaerobic zones.

Perfect Plant Combinations

Pairs beautifully with
Java Moss
for maximum fry protection and works
wonderfully alongside
Riccia Moss
floating at the surface for a complete natural
breeding sanctuary. Browse our
floating plant collection.
For more information visit
Fishkeeping World and
Aquatic Plant Central.

Frequently Asked Questions

Q: Why is it called Guppy Grass?
A: Because guppy breeders worldwide use it
as the go-to natural shelter plant for guppy
fry. Its fine hair-like leaves create ideal
hiding spaces that dramatically increase baby
guppy survival rates in community tanks.

Q: Should I float or plant Guppy Grass?
A: Both work well. Floating Guppy Grass provides
surface shelter for livebearers giving birth.
Loosely planted provides mid-water shelter.
Many breeders use both methods simultaneously.

Q: Is Najas Grass invasive in aquariums?
A: In the aquarium it is easily controlled by
removing excess growth regularly. It does not
attach to surfaces so removal is simple and
straightforward at any time needed.

Q: How fast does Guppy Grass grow?
A: Fairly fast — under good lighting a small
bunch can fill a significant portion of a
tank within 2 to 3 weeks. Regular thinning
maintains good water flow and plant health.

Q: Is Najas Grass safe for all fish species?
A: Yes — completely safe for all freshwater
fish and shrimp species. Many fish species
also graze lightly on the fine leaves as a
natural supplementary food source in the tank.

Care Details

🌱 Care Level: Easy
💡 Lighting: Low to High
💧 CO2: Not required
📍 Placement: Floating or loosely planted
🌡️ Temperature: 18°C – 30°C
⚗️ pH: 6.0 – 8.0
💪 Growth Rate: Fast

Every Najas Grass aquarium plant from FloraBiz
is farm-grown in clean healthy cultivation tanks
in Kozhikode, Kerala and shipped fresh directly
to your doorstep anywhere in India with our
live plant delivery guarantee.