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Aphonopelma seemanni

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Costa Rican Zebra
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🌎New World 🕳️Fossorial ▪️Medium 🟡Skittish Beginner 🌴Tropical

A New World burrowing tarantula. Medium-sized and skittish, and generally recommended for beginner keepers. Market price is $30, with 25 live listings across 19 sellers and a lowest ask of $20.

White stripes down dark legs, terrestrial, and a burrower despite frequently being sold as a display animal. Give it depth and it will use it.

Faster and more skittish than the US Aphonopelma, which surprises people expecting the same placid desert temperament. It is not defensive, it just leaves. Growth is moderate rather than glacial, another break from its northern relatives.

Lowest Ask
$20
best value listed now
Market Price
$30
trimmed median, recent asks
All-Time Low
$18
seen across all crawls
90-Day Range
$18–$330
low to high
Live Listings
25
at 19 vendors now
Rarity
Ubiquitous
1/10 · seen at 27 vendors ever
Prices as of the last crawl — 8 hours ago ()
The white marker shows where today's best-value listing sits between the lowest and highest price ever recorded. Liquidity: 1441 listings / 90d · 27 vendors ever
$18 all-time low best value now: $20 $330 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 — 29 listings · click a row to open the seller's page
4 of these are from sellers we exclude from price stats (they list premium display specimens), so the figures above are calculated without them. How we calculate prices
Buddha Bugs 💎💎
$20 ❓ shipping
Pacific Northwest Arachnids 👍
$24 ❓ shipping
Fangs Unlimited 👍
$25 ❓ shipping
The Mother of Spiders 👍
$25 ❓ shipping
Underdark Inverts 💎
$25 ❓ shipping
Spider Shoppe 👍
$26 ❓ shipping
Spider Shoppe 👍
$28 ❓ shipping
3.0-4.0" WC View listing
Great Basin Serpentarium 👍
$28 $93 landed
Ghosty's Tarantulas 👍
$30 ❓ shipping
0.5-0.75" U CB View listing
ArachnoEden 💎
$30 ❓ shipping
1.0-1.5" U CB View listing
One Love Tarantulas 👍
$30 ❓ shipping
Swift's Invertebrates 💎
$32 $81 landed
Plumb's Exotics
$35 $95 landed
4-5" Confirmed Male View listing
Paladin Exotics 👍
$40 $90 landed
Urban Tarantulas 👍
$40 $90 landed
TyDye Exotics 👍
$40 ❓ shipping
3.0-4.0" U WC View listing
The Spider Room 👍
$40 $100 landed
Eight Deadly Sins 👍
$40 $90 landed
0.75-1.0" U CB View listing
Feared to Fascinated 👍
$40 ❓ shipping
Underdark Inverts 👍
$40 ❓ shipping
Shane's Spiders
$45 $95 landed
Underdark Inverts
$55 ❓ shipping
Spider Shoppe 👍
$58 ❓ shipping
4.5-5.0" WC View listing
Spider Shoppe 👍
$58 ❓ shipping
3.0-4.0" WC View listing
Paladin Exotics
$80 $130 landed
Urban Tarantulas 👍
$100 $150 landed
Male - 2.5in - 2 year old specimens View listing
Wonderland Exotics 👍
$125 ❓ shipping
Sub-adult CB View listing
Westside Tarantulas
$505 ❓ shipping
Westside Tarantulas
$999 ❓ shipping
Adult CB View listing
SellerSizeSexSourceAskShippingLandedDealRarity
Buddha Bugs 0.66" U CB° $20.00 -33% 💎💎 1/10 Buy →
Pacific Northwest Arachnids 5.0" ? ? $24.00 👍 1/10 Buy →
Fangs Unlimited 0.5" U CB° $25.00 -17% 👍 1/10 Buy →
The Mother of Spiders 0.5" U CB° $25.00 -17% 👍 1/10 Buy →
Underdark Inverts 1" U CB° $25.00 -38% 💎 4/10 Buy →
Spider Shoppe 0.5" U CB $26.00 -13% 👍 1/10 Buy →
Spider Shoppe 3.0-4.0" WC $28.00 👍 1/10 Buy →
Great Basin Serpentarium ? ? CB° $28.00 $65 $93 👍 1/10 Buy →
Ghosty's Tarantulas 0.5-0.75" U CB° $30.00 👍 1/10 Buy →
ArachnoEden 1.0-1.5" U CB° $30.00 -25% 💎 4/10 Buy →
One Love Tarantulas 1/2" U CB° $30.00 👍 1/10 Buy →
Swift's Invertebrates 1" U CB° $32.00 -20% $49 $81 💎 4/10 Buy →
Plumb's Exotics 4-5" Confirmed Male ? $35.00 +25% $60 $95 👎 1/10 Buy →
Paladin Exotics 3.5" U ? $39.99 $50 $90 👍 1/10 Buy →
Urban Tarantulas 3-4" U WC $39.99 $50 $90 👍 1/10 Buy →
TyDye Exotics 3.0-4.0" U WC $39.99 👍 1/10 Buy →
The Spider Room 3"-4" U CB° $40.00 $60 $100 👍 1/10 Buy →
Eight Deadly Sins 0.75-1.0" U CB° $40.00 $50 $90 👍 4/10 Buy →
Feared to Fascinated 2.0" U ? $40.00 👍 1/10 Buy →
Underdark Inverts 1.75" U ? $40.00 👍 1/10 Buy →
Shane's Spiders Sling U CB° $45.00 +50% $50 $95 👎 1/10 Buy →
Underdark Inverts 3"-4" U ? $55.00 +38% 👎 1/10 Buy →
Spider Shoppe 4.5-5.0" WC $58.00 👍 1/10 Buy →
Spider Shoppe 3.0-4.0" WC $58.00 👍 1/10 Buy →
Paladin Exotics 4.0" ? $79.99 +38% $50 $130 👎 1/10 Buy →
Urban Tarantulas Male - 2.5in - 2 year old specimens ? $100.00 $50 $150 👍 1/10 Buy →
Wonderland Exotics Sub-adult CB° $125.00 👍 1/10 Buy →
Westside Tarantulas 3.0" ? $505.00 +771% 👎 1/10 Buy →
Westside Tarantulas Adult CB $999.00 +1622% 👎 1/10 Buy →
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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 →