Spiders

Dark Wolf Spider Pardosa amentata on Leaf

Arriving in the Apartment How Toxic Is the Wolf Spider Really?

There are many types of wolf spiders. To some people, they may look threatening, but are they really? PETBOOK explains.

Helpful Housemates Why You Shouldn't Kill the Next House Spider

Many people are repulsed by spiders. Yet, spiders are useful hunters. Here's what spiders eat, how they help us, and when caution is advised.

Non-Native Species Nosferatu Spider Now Found Across Germany–Here's How Venomous It Is

The so-called Nosferatu spider is spreading in Germany. But can this eight-legged creature truly pose a threat to humans and pets?

Female spider of the species Pikelinia floydmuraria

Pikelinia floydmuraria New Spider Species Named After Pink Floyd

New spider species discovered: Pikelinia floydmuraria lives in walls, hunts mosquitoes, and is named after Pink Floyd.

Bite Causes Tissue to Die This Highly Venomous Spider Now Also Lives in Germany

The highly venomous spider Loxosceles laeta, also known as the Chilean recluse spider, has been spotted in Germany for the first time.

The Vang Vieng cave dwarf (Speocera vangvieng) measures only about one millimeter in body length.

Researcher Discovers New Species These Spiders Carry Their Babies in Their Mouths and Live Completely Without Light

Researchers discovered nine new spider species in Laos, including tiny cave spiders that carry their young in their fangs.

Close-up of the Eight-Spotted Crab Spider (Platythomisus octomaculatus)

Pikachu Spider This Spider Looks Like the Famous Pokémon

A spider that looks like a Pokémon? What many might think are AI-generated photos are real. PETBOOK introduces this extraordinary spider.

Giant European House Spider (Tegenaria gigantea, Tegenaria atrica), Female, Germany

Did You Know? How Long Spiders Can Live in Your House

In the basement or the shed, there's always a corner where spiders lurk. Is it always the same one? And how long do spiders actually live?

Collage from the colony spider web in Sulfur Cave, where spider colonies of the species Tegenaria domestica and Prinerigone vagans reside, and the spider species Tegenaria domestica in its tunnel-shaped web (circle).

Hidden in a Cave 106 Square Meters! World's Largest Spider Web Discovered

Silk spiders weave meter-wide webs. However, they are not the spiders that build the largest webs in the world.

A brown Texas tarantula on a dead branch

Up to 15 States Affected Why Thousands of Tarantulas Swarm in the U.S. in Late Summer

Every year in late summer, thousands of Texas tarantulas migrate across the United States. Here's why they're on the move and why you should leave them alone.

Create a Whole New Genus Aggressive and Equipped With Giant Genitalia: Researchers Identify Four New Tarantula Species

Researchers discover new tarantula species with exceptionally long reproductive organs, aggressive females, and an entirely new genus.

Biologist Explains Is There a Difference Between a Tarantula and a Bird Spider?

Is there a difference between a tarantula and a bird spider? Both terms immediately bring to mind a large, hairy spider.

Peruvian tarantula and Engmaul frog living together

Little-Known Phenomenon These Tarantulas Live in a Community with Frogs

Researchers document fascinating partnership between frogs and tarantulas living together in communities. PETBOOK presents the findings.