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Chilobrachys dyscolus

Current deals →
Vietnam Blue
🔬 Research
🌍Old World 🕳️Fossorial 🦵Large 🔴Defensive Advanced 🌴Tropical

An Old World burrowing tarantula. Large, defensive and fast, and generally recommended for experienced keepers. Market price is $35, with 16 live listings across 12 sellers and a lowest ask of $25.

Vietnamese and southern Chinese, and the blue forms are genuinely blue rather than blue under a flash.

It digs, builds a webbed funnel at the burrow mouth, and disappears into it. Fast, defensive, hungry, and quick growing. Venom is a real consideration and this is not an animal to rehouse casually.

Lowest Ask
$25
best value listed now
Market Price
$35
trimmed median, recent asks
All-Time Low
$22
seen across all crawls
90-Day Range
$22–$180
low to high
Live Listings
16
at 12 vendors now
Rarity
Ubiquitous
1/10 · seen at 13 vendors ever
Prices as of the last crawl — 3 hours ago ()
The white marker shows where today's best-value listing sits between the lowest and highest price ever recorded. Liquidity: 934 listings / 90d · 13 vendors ever
$22 all-time low best value now: $25 $180 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 — 16 listings · click a row to open the seller's page
The Mother of Spiders 👍
$25 ❓ shipping
Spider Shoppe 👍
$28 ❓ shipping
One Love Tarantulas 👍
$30 ❓ shipping
Feared to Fascinated 👍
$30 ❓ shipping
Juice's Arthropods 👍
$33 ❓ shipping
1 Inch Sling U CB View listing
Plumb's Exotics 👍
$35 $95 landed
The Spider Room 👍
$35 $95 landed
1"-1.25" U CB View listing
Pacific Northwest Arachnids 👍
$35 ❓ shipping
The Spider Room
$40 $100 landed
1"-1.5" U CB View listing
Juice's Arthropods
$45 ❓ shipping
Juvenile U CB View listing
Creepinn Family
$50 ❓ shipping
Paladin Exotics 👍
$60 $110 landed
4.0" ♂ⁿ View listing
Paladin Exotics 👍
$60 $110 landed
8 Paws Tarantulas 🔥
$95 $145 landed
3.5-4.0" View listing
Underdark Inverts 👍
$120 ❓ shipping
4-5" ♀ View listing
8 Paws Tarantulas 👍
$125 $175 landed
6.0-7.0" View listing
SellerSizeSexSourceAskShippingLandedDealRarity
The Mother of Spiders 0.5" U CB° $25.00 -14% 👍 1/10 Buy →
Spider Shoppe 0.5" U CB° $28.00 👍 1/10 Buy →
One Love Tarantulas 1/2" U CB° $30.00 👍 1/10 Buy →
Feared to Fascinated 1/2" U CB° $30.00 👍 1/10 Buy →
Juice's Arthropods 1 Inch Sling U CB° $33.00 👍 7/10 Buy →
Plumb's Exotics ? ? ? $35.00 $60 $95 👍 4/10 Buy →
The Spider Room 1"-1.25" U CB° $35.00 $60 $95 👍 7/10 Buy →
Pacific Northwest Arachnids 0.75" U CB $35.00 👍 7/10 Buy →
The Spider Room 1"-1.5" U CB° $40.00 +14% $60 $100 👎 7/10 Buy →
Juice's Arthropods Juvenile U CB° $45.00 +29% 👎 7/10 Buy →
Creepinn Family 0.5" U CB° $50.00 +72% 👎 1/10 Buy →
Paladin Exotics 4.0" ♂ⁿ ? $59.99 $50 $110 👍 1/10 Buy →
Paladin Exotics 2.0" U CB° $59.99 $50 $110 👍 5/10 Buy →
8 Paws Tarantulas 3.5-4.0" ? $95.00 -21% $50 $145 🔥 1/10 Buy →
Underdark Inverts 4-5" ♀ ? $120.00 👍 1/10 Buy →
8 Paws Tarantulas 6.0-7.0" ? $125.00 $50 $175 👍 1/10 Buy →
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All Chilobrachys 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 →