Caribbean Nurse Frog vs Cobweb Spiders

Allobates caribe compared with Parasteatoda tepidariorum

Key Differences

• Caribbean Nurse Frog is Critically Endangered while Cobweb Spiders is Least Concern.

Taxonomic Classification

Rank	Caribbean Nurse Frog	Cobweb Spiders
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Amphibia (Amphibians)	Arachnida (Arachnids)
Order	Anura (Frogs & Toads)	Araneae (Araneae)
Family	Aromobatidae	Theridiidae
Genus	Allobates	Parasteatoda
Species	Allobates caribe	Parasteatoda tepidariorum

Evolutionary Relationship

Caribbean Nurse Frog and Cobweb Spiders share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Caribbean Nurse Frog

CR — Critically Endangered

Cobweb Spiders

LC — Least Concern

Physical Characteristics

Attribute	Caribbean Nurse Frog	Cobweb Spiders
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caribbean Nurse Frog

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cobweb Spiders

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Widely distributed across Africa (South Africa), Asia (Taiwan), Europe (7 countries), North America (Canada, United States), and South America (Colombia).

Caribbean Nurse Frog

The Caribbean Nurse Frog (Allobates caribe) is a species in the genus Allobates. It is currently classified as Critically Endangered (CR) on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types within the Ne

Cobweb Spiders

The common house spider (Parasteatoda tepidariorum) is one of the most cosmopolitan of all spider species, having followed human civilization to virtually every inhabited corner of the globe. A member of the family Theridiidae, this small to medium-sized spider—females reaching 5–8 millimeters, males somewhat smaller—constructs the characteristic messy, three-dimensional cobwebs in sheltered corners of buildings, under eaves, in cellars, and in other human-modified structures worldwide. Originally native to North and South America, the species has spread through commerce and human transport to Europe, Asia, Africa, and beyond, where it thrives in the stable temperature and prey-rich conditions provided by human habitation. The web design is deceptively effective: irregular sticky threads radiate in all directions from a silk retreat, ensnaring flies, mosquitoes, ants, and other arthropods that blunder into the structure. Females are long-lived—surviving several years—and produce multiple egg sacs containing hundreds of eggs during a lifetime, contributing to the species' population resilience. Parasteatoda tepidariorum has become an important laboratory model organism for arachnid developmental biology, with its genome sequenced to facilitate studies of spider gene expression, venom evolution, and silk production. It is broadly classified as Least Concern given its cosmopolitan distribution and remarkable adaptation to anthropogenic environments.