Complete Invertebrate Cost Guide

How Much Does a Invertebrate Cost?

Pet invertebrates are among the cheapest animals to own. Tarantulas cost $20-$50, hermit crabs $5-$15, and ongoing costs are minimal. Enclosure setup is the biggest expense.

Quick Answer

Browse breed-specific cost breakdowns below including food, vet care, insurance, and supplies for your Invertebrate.

🕷️
$5-$50
Initial cost
🏠
$30-$100
Enclosure cost
💰
$30-$80
Annual costs
Very Low
Ongoing expenses

Annual Cost Breakdown

CategoryLowHigh
Food$5$20
Substrate$5$15
Water & Humidity$0$10
Vet Care$0$50

First-Time Invertebrate Owner Expenses

Animal

$5-$50

Hermit crabs $5-15, tarantulas $20-50, scorpions $20-40.

Enclosure

$30-$100

Glass or plastic terrarium with lid. Size depends on species.

Heating/Lighting

$10-$30

Heat mat for tropical species. Many need no extra equipment.

⚠️Hidden Costs Many Owners Miss

Feeder Insects

Ongoing cost for carnivorous species, though very cheap ($5-10/month).

Humidity Equipment

Tropical species may need misting systems or humidity gauges.

Replacement After Molting Deaths

Some invertebrates die during molts. Replacement costs are low but can occur.

Cost by Invertebrate Breed

Different breeds have different costs. Click on a breed for detailed estimates.

Frequently Asked Questions About Invertebrate Costs

Are invertebrates the cheapest pets?
Yes—among the very cheapest. A hermit crab setup costs $40-60 total, and ongoing costs are under $10/month. Tarantulas are similarly affordable.
How much does it cost to feed a tarantula?
Very little—$5-10/month for crickets or roaches. Adult tarantulas only eat once or twice a week, and feeder insects are inexpensive.

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Trusted sources: ASPCA Pet Care Costs, AVMA

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How Much Does a Pet Invertebrate Cost? 2026 Guide | Clawmate