Introduction to The Majestic Silver Arowana
The
Silver Arowana (Osteoglossum bicirrhosum) is the most sought after freshwater
aquarium fish in the world. With its metallic shine and powerful swimming style
combined with an ancient heritage, this species is often considered a symbol of
strength, prosperity and elegance. The Silver Arowana (Osteoglossum
bicirrhosum) is a native fish to the Amazon River basin and it prefers to live
in large, slow moving waters, however, it also demands much knowledge and
patience to be kept in captivity.
Silver
arowana's first year growth for beginners and seasoned aquarists. Care and
growth are fast, mistakes in care can be seen immediately, and the health of
the fish is directly related to its care and maintenance. This guide details
everything you need to know – from growth during the first year, daily care
requirements, to potential lifespan and tank size needs – in simple,
human-friendly terms.
What is a Silver Arowana?
It is a member of the ancient Osteoglossidae family, known as "bonytongue" fishes. Similar species existed more than 100 million years ago, as evidenced by fossil records.
Key Features
•
Taxonomy: Osteoglossum bicirrhosum
•
Natural range: Amazon River Basin, South America
•
Eating Habits: Carnivore
•
Temperament: Semi-aggressive
•
Maximum length: 36 inches (90 cm)
•
Life Expectancy: 10–15 years (occasionally longer with exceptional care)
Arowanas
are vigorous swimmers and can grow quite large, thus a well-conditioned Silver
Arowana is typically kept in a rather large aquarium with slow, well-aerated
and filtered water or indoor pond.
First-Year Growth of Silver Arowana
How Tall Do Silver Arowanas Grow?
Silver
arowanas grow very fast in their first year. Jia et al. (2012) juveniles grow
1–2 in. per month under suitable conditions.
Normal
Growth Schedule
•
0–3 months: 3–6 inches
•
4–6 months: 8–12 inches
•
7–12 months: 14–20 inches
There
are many factors which can influence the rate of growth including:
•
Tank Size
•
Water quality
•
Diet
•
Level of Stress
Poor
water quality and an overcrowded living space can lead to stunted growth, which
is permanent.
Ideal Tank Setup for the First Year
Tank Size Recommendations
•
Juveniles (under 6 inches): 75 gallon minimum
•
First year juveniles (12–20 inches): 180–250 gallon minimum
Arowanas
are surface swimmers; they require length more than depth.
Tank
Essentials
• Tight-fitting lid (they are
jumpers and very strong ones)
•
Powerful filtration system
• Mild
current
•
Space to swim freely
More
about aquarium tank sizes at: https://www.aquariumcoop.com
Water Parameter and Care
Water
Needs Temperature: 75–82°F (24–28°C)
PH:
6.0–7.5
Hardness:
Soft to medium hard
The
Maintenance Routine
Qtd
seminal: 25-30% do volume de água
Monthly
filter cleaning
Temperature
monitoring daily
Clean
water is a major influence in growth, immunity and life duration.
Source:
Water Care Basics Tropical Fish Hobbyist’s Editor and Publisher, Doug and
Marlys Population Control Editor’s Note: For more on the husbandry of discus
fish, see the article "Discus Primer" in the March 2007 issue of TFH
Magazine.
https://www.tfhmagazine.com
Feeding Silver Arowana during the 1st year of life
What do Silver Arowanas Feed on?
The
Silver Arowana is a surface feeding carnivore. In their natural habitat, they
feed on insects, crustaceans, fish and small animals.
Dietary
Recommendations
•
High quality floating pellets
•
Frozen shrimp and krill
•
Earthworms
•
Occasional feeder fish (use caution)
Feeding
program
•
Young: 2-3 times a day
•
Older Juveniles: 1-2 times per day
Don't
feed too much as it can fatten them up and pollute the water.
Behavior and Compatibility
The Silver Arowana is territorial and
aggressive, more so as they get bigger.
Tank Mate Considerations
• Stay single unless in large tank
• Suitable tank mates: large
catfish, stingrays, giant gouramis
• No small or slow fish
Aggression and bullying in compatible fish
can reduce growth rates and lifespan.
Typical illnesses in the first year
Worrying conditions
•
Drooping eye
•
Fin damage
•
Fungal infection
•
Stress Illness Related to
Prevention
tips
•
Keep water clean
•
Don't use sharp decorations
•
Give a balanced diet
•
Reduce the amount of coin tosses
Resources
for aquatic animal care: Fish health resources:
Longevity of Silver Arowana
How Long Can You Expect Silver Arowanas To Live?
The
Silver Arowana will live for 10 to 15 years with good care, and some have been
known to reach 20 years with the right conditions.
Things That Influence Lifespan
•
Size of tank
•
Quality of diet
•
Levels of stress
•
Stability of water
Long-term
commitment is mandatory—this is not a fish for keeping on a whim.
Is the Silver Arowana Suitable for Novice Aquarists?
Silver
Arowana are not for casual beginners but dedicated learners can do well.Good
for You If:
• You have a very large tank
• You understand what long-term care
involves
• You can keep the water quality upNot
Ideal If:
• You like small tanks
• You want community fish
• You are space or budget constrained.
Ethical and Legal Issues
In
certain areas, Silver Arowanas are either protected or considered illegal.
Always buy from legitimate breeders and obey your local laws.
Conservation
and species info:
https://www.iucnredlist.org
Conclusion: a Burden and a Blessing
The
Silver Arowana is a majestic fish that requires respect, room, and commitment
It Is the Body’s First Year of Growth That
Decides Whether Longevity Is Even Possible. With enough room, clean water, and
a nutritious diet, the prehistoric predator will flourish and amuse for years,
making your aquarium the focal point. Surveys and tests) … Like life!"
Looking
after a Silver Arowana is more than fish keeping – it’s being responsible for a
living relic of nature.
FAQs: Silver Arowana Care & Growth
1. What Is The Growth Rate Of The Silver Arowana In The 1st Year?
It
may grow 14–20 inches the first year when given proper care.
2. What Is The Smallest Tank Size For A Silver Arowana?
For
a juvenile at least 180 gallons.
3. Can Silver Arowanas Live Alone?
They
tend to be quite aggressive, and can be kept alone, or in large ponds.
4. How Long Do Silver Arowanas Live?
Usually
10 to 15 years, and sometimes more. .
5. Are Silver Arowanas aggressive?
Yes,
if you want to keep other fish's you better be prepared for them to get
bullies.