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Ephebopus cyanognathus

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Blue Fang
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🌎New World 🕳️Fossorial ▪️Medium 🔴Defensive ⚠️Intermediate 🌴Tropical

A New World burrowing tarantula. Medium-sized, defensive and fast, and generally recommended for intermediate keepers. Market price is $75, with 14 live listings across 12 sellers and a lowest ask of $55.

Metallic blue chelicerae against skeletal white leg striping, from French Guiana. Considerably more subtle in person than in the photos that sell it.

Biologically unusual: the urticating hairs sit on the pedipalps rather than the abdomen, so it can deploy them while facing a threat. Fossorial as a juvenile with a silk turret at the burrow mouth, more surface-active as an adult.

Lowest Ask
$55
best value listed now
Market Price
$75
trimmed median, recent asks
All-Time Low
$35
seen across all crawls
90-Day Range
$35–$480
low to high
Live Listings
14
at 12 vendors now
Rarity
Ubiquitous
1/10 · seen at 18 vendors ever
Prices as of the last crawl — 5 hours ago ()
The white marker shows where today's best-value listing sits between the lowest and highest price ever recorded. Liquidity: 1049 listings / 90d · 18 vendors ever
$35 all-time low best value now: $55 $480 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 — 15 listings · click a row to open the seller's page
1 of these is from a seller we exclude from price stats (they list premium display specimens), so the figures above are calculated without it. How we calculate prices
Wonderland Exotics 💎💎
$55 ❓ shipping
Exotics Unlimited USA 👍
$65 $104 landed
0.5-0.75" U CB View listing
Exotics Unlimited USA 👍
$65 $104 landed
0.5-0.75" U CB View listing
Spider Shoppe 👍
$68 ❓ shipping
Fangs Unlimited 👍
$68 ❓ shipping
Fear Not Tarantulas 👍
$69 $98 landed
ArachnoEden 👍
$75 ❓ shipping
Plumb's Exotics
$75 $135 landed
1/2-3/4 U CB View listing
Buddha Bugs 👍
$75 ❓ shipping
Josh's Frogs
$80 $120 landed
1/2 inch U CB View listing
Josh's Frogs
$90 $130 landed
1 inch U CB View listing
Underdark Inverts
$90 ❓ shipping
V Exotic
$100 $150 landed
The Mother of Spiders
$100 ❓ shipping
Urban Tarantulas 👍
$500 $550 landed
Female - young adult approx 4in View listing
SellerSizeSexSourceAskShippingLandedDealRarity
Wonderland Exotics 3/4" U CB° $55.00 -27% 💎💎 1/10 Buy →
Exotics Unlimited USA 0.5-0.75" U CB° $65.00 $39 $104 👍 1/10 Buy →
Exotics Unlimited USA 0.5-0.75" U CB° $65.00 $39 $104 👍 1/10 Buy →
Spider Shoppe 0.5" U CB° $68.00 👍 1/10 Buy →
Fangs Unlimited 0.5" U CB° $68.00 👍 1/10 Buy →
Fear Not Tarantulas 1.25" U CB° $69.00 $29 $98 👍 1/10 Buy →
ArachnoEden 4.0" ? ? $75.00 👍 1/10 Buy →
Plumb's Exotics 1/2-3/4 U CB° $75.00 +10% $60 $135 👎 1/10 Buy →
Buddha Bugs 0.75" U CB° $75.00 👍 1/10 Buy →
Josh's Frogs 1/2 inch U CB $79.99 +18% $40 $120 👎 1/10 Buy →
Josh's Frogs 1 inch U CB $89.99 +20% $40 $130 👎 1/10 Buy →
Underdark Inverts 1" U CB° $90.00 +20% 👎 1/10 Buy →
V Exotic Sling U CB° $100.00 +47% $50 $150 👎 1/10 Buy →
The Mother of Spiders 0.5" U CB° $100.00 +47% 👎 1/10 Buy →
Urban Tarantulas Female - young adult approx 4in ? $500.00 $50 $550 👍 1/10 Buy →
More in Ephebopus
Ephebopus murinus
Skeleton Tarantula
15 listings · $80
Ephebopus uatuman
Emerald Skeleton
10 listings · $75
Ephebopus rufescens
Burgundy Skeleton
5 listings · $65
Ephebopus cyanagnothas
1 listing · $70
All Ephebopus species →
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 →