🐟 Aquarium Fish

Oscar

Astronotus ocellatus — large size, 12 year lifespan.

Oscar
🔍 Click to enlarge
$2,710 USD
First-year cost (one-time setup + first 12 months of recurring costs)
$1,940 USD

Annual (Year 2+)

$162 USD

Monthly Average

$18,715 USD

Lifetime (12 yrs)

$0 USD

Emergency Fund /yr

UK (GBP)

First year: £2,493 GBP
Lifetime: £17,218 GBP

Germany (EUR)

First year: €2,303 EUR
Lifetime: €15,908 EUR

Detailed Cost Breakdown

All amounts are in US Dollars (USD). Costs for UK (GBP) and Germany (EUR) are shown further below.

One-Time Setup Costs

$770

ItemCostFrequency
Tank$188One-time
Stand$125One-time
RO/DI Unit$100One-time
Filter$75One-time
Lighting$62One-time
Heater$44One-time
Substrate$44One-time
Plants / Decor$38One-time
Air Pump$31One-time
Decor$31One-time
Timer$22One-time
Fish Purchase$10One-time

Monthly Recurring Costs

$162/mo

ItemCostFrequency
Food$15/moMonthly
Electricity$15/moMonthly
Medication$15/moMonthly
Water Conditioner$12/moMonthly
Fertilizer$12/moMonthly
Filter Media$9/moMonthly
Water Tests$9/moMonthly
Water$6/moMonthly

Annual Recurring Costs

$1,940/yr

ItemCostFrequency
Fish Vet$750/yrAnnual
Replacement Equipment$50/yrAnnual

Pet Insurance (US, USD)

Monthly premium: $0–$0

Coverage: not_available

Deductible:

Already Have the Setup?

If you already have the enclosure, tank, or housing setup, adding a 2nd animal only costs the recurring expenses (food, healthcare, supplies) — no need to buy setup items again.

$1,940 USD

US (USD) /yr

£1,785 GBP

UK (GBP) /yr

€1,649 EUR

Germany (EUR) /yr

Where Does the Money Go?

Acquisition

$10

Initial Setup

$706

Food & Nutrition

$180/yr

Healthcare

$930/yr

Supplies

$354/yr

Maintenance

$530/yr

At a Glance

Size Class

Large

Weight

1 kg

Lifespan

12 years

Activity

High

Temperament

Intelligent, territorial, personable

Sociality

Solitary

Beginner?

With research

Time Needed

Moderate

Housing Requirements

Housing Type

House with yard

Indoor/Outdoor

Indoor only

Minimum Space

Large aquarium

Setup Cost

High

Complexity

High

Rental Suitable?

With caveats

Diet & Feeding

Diet Type

Carnivore

Feeding Frequency

Daily

Food Type

pellets + frozen/live food

Special Diet

Messy eater

Supplements

No

Health & Veterinary Care

Common Health Conditions

  • Hole-in-the-head
  • Ich
  • Bacterial infections
  • Bloat

Breed-Specific Risks

  • Hole-in-the-head (Hexamita)
  • Bloat
  • Ich

Vaccinations

Not required

Vet Frequency

As needed

Health Risk

Medium

Vet Cost Level

Medium

Emergency Risk

Medium

Specialist Vet?

Yes

How Does It Compare?

Budget: Medium Space: High Time: Medium Maintenance: Medium Activity: High Noise: Silent Lifespan: Medium Social: Solitary Health Risk: Medium Vet Cost: Medium Beginner?: With research Family?: Low Apartment?: Medium

Frequently Asked Questions

How much does a Oscar cost per year?

Annual recurring costs from year 2 onwards are approximately $1,940 USD (US), with a first-year setup cost of $2,710 USD. Monthly average: $162 USD/mo.

What is the lifetime cost of a Oscar?

Over a typical 12-year lifespan, expect to spend approximately $18,715 USD. This includes initial setup plus ongoing food, healthcare, supplies, and insurance. Real-world spending varies — many owners spend 20-30% less by doing grooming at home, skipping boarding, or choosing not to insure.

Is a Oscar good for beginners?

With research — Intelligent, territorial, personable. Moderate time commitment required.

What does a Oscar eat?

Carnivore diet, fed Daily. pellets + frozen/live food

How big does a Oscar get?

Large size class, typical weight 1 kg. Lifespan: 12 years.

{/* --- Related Calculators & Tools --- */}

Similar Pets to Consider

Betta

Guppy

Neon Tetra

Angelfish

Photo: Jón Helgi Jónsson (Amything) — CC BY-SA 3.0 via Wikimedia Commons