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Idiothele mira

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Blue Foot Baboon
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🌍Old World 🕳️Fossorial ▪️Medium 🔴Defensive Advanced 🏜️Arid

An Old World burrowing tarantula. Medium-sized, defensive and fast, and generally recommended for experienced keepers. Market price is $65, with 13 live listings across 12 sellers and a lowest ask of $40.

The tarantula that builds an actual hinged trapdoor over its burrow, which nothing else commonly kept does, and blue tarsi that flash when it moves.

Fossorial and committed to it. Give it depth and it will construct a silk-lined tunnel with a working door and spend its life behind it, opening only to ambush. That behavior is the whole appeal and it means you will rarely see the spider.

Lowest Ask
$40
best value listed now
Market Price
$65
trimmed median, recent asks
All-Time Low
$40
seen across all crawls
90-Day Range
$40–$390
low to high
Live Listings
13
at 12 vendors now
Rarity
Ubiquitous
1/10 · seen at 14 vendors ever
Prices as of the last crawl — 4 hours ago ()
The white marker shows where today's best-value listing sits between the lowest and highest price ever recorded. Liquidity: 743 listings / 90d · 14 vendors ever
$40 all-time low best value now: $40 $390 all-time high
Price History — asking prices; a time trend appears as daily crawls accumulate
Each dot = one listing: Female Male Unsexed | – – all-time low – – market price best value now (hover the chart for price · size · sex · vendor · date) (drag across the chart to read any day)
Available Now — 13 listings · click a row to open the seller's page
Underdark Inverts 💎💎
$40 ❓ shipping
ArachnoEden 👍
$50 ❓ shipping
Spider Shoppe 👍
$58 ❓ shipping
One Love Tarantulas 👍
$60 ❓ shipping
FangzTV 👍
$60 $109 landed
V Exotic
$65 $115 landed
Exotics Unlimited USA 👍
$65 $104 landed
0.75-1.0" U CB View listing
The Spider Room
$65 $125 landed
1/2"-3/4" U CB View listing
Buddha Bugs 👍
$65 ❓ shipping
Paladin Exotics
$70 $120 landed
The Mother of Spiders
$70 ❓ shipping
Spider Shoppe 👍
$78 ❓ shipping
Adult ♂ⁿ View listing
Fear Not Tarantulas
$85 $114 landed
SellerSizeSexSourceAskShippingLandedDealRarity
Underdark Inverts 1/2" U CB° $40.00 -29% 💎💎 1/10 Buy →
ArachnoEden 2.5" U ? $50.00 👍 4/10 Buy →
Spider Shoppe 0.5" U CB° $58.00 👍 1/10 Buy →
One Love Tarantulas 3/4" U CB° $60.00 👍 8/10 Buy →
FangzTV 1.0" U CB° $60.00 $49 $109 👍 8/10 Buy →
V Exotic Sling U CB° $65.00 +15% $50 $115 👎 1/10 Buy →
Exotics Unlimited USA 0.75-1.0" U CB° $65.00 $39 $104 👍 8/10 Buy →
The Spider Room 1/2"-3/4" U CB° $65.00 +15% $60 $125 👎 1/10 Buy →
Buddha Bugs 0.75" U CB° $65.00 👍 8/10 Buy →
Paladin Exotics 0.5" U CB° $69.99 +24% $50 $120 👎 1/10 Buy →
The Mother of Spiders 1.0" U CB° $70.00 +12% 👎 8/10 Buy →
Spider Shoppe Adult ♂ⁿ ? $78.00 👍 1/10 Buy →
Fear Not Tarantulas 3/4" U CB° $85.00 +36% $29 $114 👎 8/10 Buy →
How these numbers are worked out — market price, deal grades, and what they do not mean

Market price is a trimmed median of recent asks for a species — the highest and lowest are dropped before the middle is taken, so one unusual listing cannot move it. Below four asks there is nothing safe to trim, so it is a plain median.

A deal grade compares like with like. A listing is scored against others of the same species, same sex group and same size bucket — never against the species as a whole. A 1" unsexed sling and a 5" confirmed female are different markets, and blending them is how a fair price starts looking like a bargain.

Graded against history, not against today's shelf. The comparison is every ask ever recorded for that group, counted once per listing rather than once per day it sat unsold. Grading against whatever happens to be in stock right now would let a single low-priced arrival drag the median down and re-grade every other seller — a race to the bottom, which is not something a price tracker should cause. Where there is not yet enough history, the live listings are used and the page says so.

The badges:

  • 💎💎 at least 40% below that comparable median — or 20% below and also an all-time low.
  • 💎 20–40% below.
  • 👍 within about 10% of it.
  • 👎 more than 10% above.

Those thresholds are deliberately wide. The same animal at the same size routinely spans about 2× between the lowest and highest seller, so "20% below average" describes an ordinary listing rather than a find.

What these numbers are not. FangTrack sees asks, never sales — nothing here is a record of what anything sold for. A small number of sellers who specialise in premium display specimens are excluded from the calculated figures because their asks are not representative; their listings still appear. Private collection uploads never affect any public number. Shipping estimates are the vendor's stated flat rate added to the ask, not a checkout total.

A grade is information, not advice. Condition, provenance and how well a seller packs a live animal are worth more than a few dollars, and none of them are in the price. More on how this is calculated →