Home/ Pets/ Exotic/ Giant Asian Mantis

Giant Asian Mantis

The Giant Asian Mantis is the big, bold, classic praying mantis - up to 9 cm of confident green predator that tracks your movements, takes prey from tweezers and embodies everything people imagine a pet mantis to be.

🗓️ Last reviewed: July 2026

← All Exotic

Overview

Origin & Habitat

Forest edges and gardens across South and Southeast Asia, from India through Indonesia.

Appearance

7-9 cm; usually vivid leaf-green, sometimes tan or yellowish. A powerful build with broad raptorial arms - the archetypal mantis silhouette.

Temperament & Handling

Confident and food-driven - it will turn its head to follow you, reach for tweezered prey and stride around a hand. Adults can pinch with their arms; it's startling, not harmful.

Enclosure

Big mantis, big vertical space: 30 × 30 × 40 cm with sturdy branches and a mesh lid. Height is critical - a failed hang at the final molt is the classic tragedy of undersized cages.

Heating, Humidity, Lighting

24-30°C, 50-70% humidity, mist every other day. A forgiving, warm-room species that tolerates beginner conditions better than the ornate specialists.

Diet

An eating machine: crickets, roaches, flies and moths every 1-2 days, prey up to a third its own length. The tweezer-feeding response is immediate and spectacular.

Health & Lifespan

One of the hardiest mantids; give molt clearance and don't overfeed heavily gravid females. Females push past a year; males mature faster and live less.

Pros & Cons

Pros

Large, imposing and interactive
Eats anything, tames to tweezers
Very forgiving starter mantis

Cons

Under 15 months even at best
Needs a taller cage than expected
Adults may snatch at fingers near food

Giant Asian Mantis - frequently asked questions

Is it a good first mantis?

The best all-rounder: big enough to be impressive, tough enough to forgive humidity wobbles, and eager enough to feed on anything that moves.

Why is my green mantis suddenly brown after a molt?

Color morphs shift with light, humidity and background between molts - both green and tan forms are healthy.

Can it fly?

Adult males fly readily (and escape readily at night); heavy females mostly flutter. Secure lids after the final molt.

🧠 Test yourself: guess the exotic

Three clues from our quiz bank, each about another of our exotic. Can you name them?

Clue 1.A slow-moving herbivore whose elongated body resembles a branch; it may sway gently to imitate a twig in the breeze.

Clue 2.This predatory insect, named for its folded, spiked forelegs held as if in prayer, is the only insect that can swivel its head nearly 180 degrees.

Clue 3.This hermaphrodite gastropod has both sexes in one body and can lay over a thousand eggs a year.

Want more? Play the daily Petdle or browse the quizzes.