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Captive-bred adult female Omothymus sp. Langkawi from Langkawi, Malaysia
arboreal Captivity Natural History Ornithoctoninae Theraphosidae

Omothymus Spider: Malaysian Earth Tiger Explained

By Martin on Tuesday, July 28, 2026

The Malaysian Earth Tiger is an Omothymus name often attached to wild-search footage. Our film did not record the target species wild. This page makes that limitation clear and links to the current World Spider Catalog record.

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Large brown tarantula resting on a tree trunk in forest
Natural History terrestrial Theraphosidae Theraphosinae

Biggest Spider in the World: Goliath Birdeater Facts

By Martin on Tuesday, July 28, 2026

The biggest-spider question needs a measurement before it needs a winner. This evidence-led page explains why a Goliath birdeater answer needs taxonomy, a defined comparison, and honest labels for field footage.

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Brachypelma hamorii viewed from above on dark rock.
Natural History terrestrial Theraphosidae Theraphosinae

Mexican Red Knee Tarantula: Smithi vs Hamorii

By Martin on Tuesday, July 28, 2026

Mexican Red Knee is a common name, not a species diagnosis. The World Spider Catalog accepts both Brachypelma smithi and B. hamorii. Our field video follows the question rather than pretending the names are interchangeable.

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Brachypelma auratum tarantula resting on rough tree bark
Captivity Natural History terrestrial Theraphosidae Theraphosinae

Brachypelma auratum: how to identify the Mexican Flame Knee tarantula

By Martin on Tuesday, December 9, 2025

Identify Brachypelma auratum beyond its flame-shaped knee markings. Explore its Mexican range, natural history, CITES context, and carefully labelled captive notes.

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Tarantula identified in the source record as Ischnocolus jickelii
Theraphosidae

Ischnocolus jickelii: taxonomy, range, and what is documented

By Martin on Monday, June 2, 2025

Current catalog records for Ischnocolus jickelii across northeastern Africa and the Arabian Peninsula, plus its synonym and revision history.

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Typhochlaena costae standing beside silk attached to bark
Theraphosidae

What is known about the Typhochlaena costae trapdoor retreat

By Martin on Friday, May 30, 2025

A close photograph shows Typhochlaena costae beside silk and bark, but it does not record a building sequence. Here is what later natural-history work supports about the species’ arboreal retreat.

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Unidentified theraphosine tarantula with orange abdominal markings, presented as originating from Ecuador
Theraphosidae

An unidentified theraphosine tarantula from Ecuador

By Martin on Tuesday, May 27, 2025

The original record places this Ecuadorian tarantula in Theraphosinae but does not identify a genus or species. This revision keeps that limit visible and avoids applying one habitat or care profile to an entire subfamily.

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Typhochlaena costae showing paired red abdominal spots and long yellow setae
Theraphosidae

Typhochlaena costae: diagnosis, range and arboreal retreats

By Martin on Sunday, May 25, 2025

Typhochlaena costae is a Brazilian tarantula described in 2012. Its diagnostic red abdominal spots and unusual arboreal retreats are documented in taxonomic and natural-history literature.

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Brown tarantula identified as Lasiodorides polycuspulatus on the source page
Theraphosidae

Lasiodorides polycuspulatus: taxonomy and the 2021 revision

By Martin on Wednesday, May 21, 2025

The current Peruvian range and the 2021 revision that synonymized Lasiodorides rolinae with Lasiodorides polycuspulatus, without inventing a specimen history for the source image.

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Brown unidentified captive-bred tarantula presented as originating from Ecuador
Theraphosidae

An unidentified captive-bred tarantula from Ecuador

By Martin on Sunday, May 18, 2025

This captive-bred tarantula came to us as an unidentified animal from Ecuador. Its genus and species have not been established, so this page records what we know without turning a tentative idea into a taxonomic claim.

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  • Captive-bred adult female Omothymus sp. Langkawi from Langkawi, Malaysia
    Omothymus Spider: Malaysian Earth Tiger Explained
  • Large brown tarantula resting on a tree trunk in forest
    Biggest Spider in the World: Goliath Birdeater Facts
  • Brachypelma hamorii viewed from above on dark rock.
    Mexican Red Knee Tarantula: Smithi vs Hamorii
Topics
Africa Aphonopelma Aphonopelma seemanni Argentina Avicularia Aviculariinae brachypelma brachypelma hamorii Brasil colombia Costa Rica Ecuador epicureanus fieldtrip flame knee tarantula fossorial husbandry Malaysia Malaysian earth tiger mesomelas Mexico new species new species tarantula New World new world tarantula nhandu Old World Tarantula omothymus Ornithoctoninae Peru pet tarantula Red-leg red knee tarantula selenobrachys South America suriname t. blondi tarantula tarantula care Terrestrial tarantula theraphosa Theraphosidae Theraphosinae Tliltocatl Vitalius
About Me
Martin
Martin
Self-taught Arachno Enthusiast with a passion to learn more about tarantulas and share gathered information with the world!

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