Annual (Year 2+)
Monthly Average
Lifetime (5 yrs)
Emergency Fund /yr
UK (GBP)
First year: £2,199 GBP
Lifetime: £5,444 GBP
Germany (EUR)
First year: €2,032 EUR
Lifetime: €5,030 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
$1,215
| Item | Cost | Frequency |
|---|---|---|
| Tank | $310 | One-time |
| Lighting | $186 | One-time |
| Stand | $155 | One-time |
| Sump Refugium | $93 | One-time |
| Protein Skimmer | $93 | One-time |
| Filter | $74 | One-time |
| RO/DI Unit | $74 | One-time |
| Quarantine Tank | $62 | One-time |
| Live Rock | $50 | One-time |
| Fish Purchase | $31 | One-time |
| Heater | $31 | One-time |
| Refractometer Test Kit | $31 | One-time |
| Live Sand | $25 | One-time |
Monthly Recurring Costs
$98/mo
| Item | Cost | Frequency |
|---|---|---|
| Electricity | $19/mo | Monthly |
| Salt Mix | $16/mo | Monthly |
| Food | $12/mo | Monthly |
| Medication | $12/mo | Monthly |
| Water | $5/mo | Monthly |
Annual Recurring Costs
$1,176/yr
| Item | Cost | Frequency |
|---|---|---|
| Fish Vet | $372/yr | Annual |
| Replacement Equipment | $37/yr | Annual |
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.
US (USD) /yr
UK (GBP) /yr
Germany (EUR) /yr
Where Does the Money Go?
Acquisition
$31
Initial Setup
$1,153
Food & Nutrition
$149/yr
Healthcare
$521/yr
Supplies
$217/yr
Maintenance
$320/yr
At a Glance
Size Class
Toy
Weight
10 g
Lifespan
5 years
Activity
Low
Temperament
Bottom-dwelling, peaceful, shy
Sociality
Solitary
Beginner?
Yes
Time Needed
Low
Housing Requirements
Housing Type
House with yard
Indoor/Outdoor
Indoor only
Minimum Space
Marine aquarium
Setup Cost
Medium
Complexity
Medium
Rental Suitable?
With caveats
Diet & Feeding
Diet Type
Carnivore
Feeding Frequency
Daily
Food Type
marine pellets + frozen food
Supplements
No
Health & Veterinary Care
Common Health Conditions
- Ich
- Bacterial infections
- Parasites
- Jump injuries
Breed-Specific Risks
- Marine ich
- Jump injuries
Vaccinations
Not required
Vet Frequency
As needed
Health Risk
Low
Vet Cost Level
Low
Emergency Risk
Low
Specialist Vet?
Yes
How Does It Compare?
Frequently Asked Questions
How much does a Goby cost per year?
Annual recurring costs from year 2 onwards are approximately $1,176 USD (US), with a first-year setup cost of $2,391 USD. Monthly average: $98 USD/mo.
What is the lifetime cost of a Goby?
Over a typical 5-year lifespan, expect to spend approximately $5,917 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 Goby good for beginners?
Yes — Bottom-dwelling, peaceful, shy. Low time commitment required.
What does a Goby eat?
Carnivore diet, fed Daily. marine pellets + frozen food
How big does a Goby get?
Toy size class, typical weight 10 g. Lifespan: 5 years.
Related Calculators & Resources
Photo: Seotaro — CC BY-SA 3.0 via Wikimedia Commons