🐠 Marine Fish

Tang

Acanthuridae — medium size, 8 year lifespan.

Tang
🔍 Click to enlarge
$4,820 USD
First-year cost (one-time setup + first 12 months of recurring costs)
$2,370 USD

Annual (Year 2+)

$198 USD

Monthly Average

$17,262 USD

Lifetime (8 yrs)

$0 USD

Emergency Fund /yr

UK (GBP)

First year: £4,434 GBP
Lifetime: £15,882 GBP

Germany (EUR)

First year: €4,097 EUR
Lifetime: €14,673 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

$2,450

ItemCostFrequency
Tank$625One-time
Lighting$375One-time
Stand$312One-time
Sump Refugium$188One-time
Protein Skimmer$188One-time
Filter$150One-time
RO/DI Unit$150One-time
Quarantine Tank$125One-time
Live Rock$100One-time
Fish Purchase$62One-time
Heater$62One-time
Refractometer Test Kit$62One-time
Live Sand$50One-time

Monthly Recurring Costs

$198/mo

ItemCostFrequency
Electricity$38/moMonthly
Salt Mix$31/moMonthly
Food$25/moMonthly
Medication$25/moMonthly
Water$10/moMonthly

Annual Recurring Costs

$2,370/yr

ItemCostFrequency
Fish Vet$750/yrAnnual
Replacement Equipment$75/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.

$2,370 USD

US (USD) /yr

£2,180 GBP

UK (GBP) /yr

€2,014 EUR

Germany (EUR) /yr

Where Does the Money Go?

Acquisition

$62

Initial Setup

$2,325

Food & Nutrition

$300/yr

Healthcare

$1,050/yr

Supplies

$438/yr

Maintenance

$645/yr

At a Glance

Size Class

Medium

Weight

150 g

Lifespan

8 years

Activity

High

Temperament

Active, semi-aggressive, grazing

Sociality

Solitary

Beginner?

With research

Time Needed

Moderate

Housing Requirements

Housing Type

House with yard

Indoor/Outdoor

Indoor only

Minimum Space

Large marine aquarium

Setup Cost

High

Complexity

High

Rental Suitable?

No

Diet & Feeding

Diet Type

Herbivore

Feeding Frequency

Daily

Food Type

marine algae + pellets

Special Diet

Grazing herbivore

Supplements

No

Health & Veterinary Care

Common Health Conditions

  • Ich
  • Lateral line erosion
  • Parasites
  • Stress disease

Breed-Specific Risks

  • Head and lateral line erosion (HLLE)
  • Marine 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: High 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?: Low

Frequently Asked Questions

How much does a Tang cost per year?

Annual recurring costs from year 2 onwards are approximately $2,370 USD (US), with a first-year setup cost of $4,820 USD. Monthly average: $198 USD/mo.

What is the lifetime cost of a Tang?

Over a typical 8-year lifespan, expect to spend approximately $17,262 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 Tang good for beginners?

With research — Active, semi-aggressive, grazing. Moderate time commitment required.

What does a Tang eat?

Herbivore diet, fed Daily. marine algae + pellets

How big does a Tang get?

Medium size class, typical weight 150 g. Lifespan: 8 years.

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Photo: brian.gratwicke — CC BY 2.0 via Wikimedia Commons