---
title: "American Cockroach vs Housefly: Who Would Win?"
description: "Who would win, American Cockroach or Housefly? Too close to call: our 3-round simulation gives 52% to 48%."
image: "https://animaltracks.wiki/icon-512.png"
---

# American Cockroach vs Housefly: Who Would Win?

American Cockroach vs Housefly is too close to call. Our 3-round simulation gives American Cockroach a 52% chance and Housefly 48%, which is not enough for either to claim the win.

The simulation puts both animals on neutral ground. In the wild, terrain, the size of the individual animals and plain luck would all change the result.

## Verdict: Too close to call
- **Win probability**: American Cockroach 52%, Housefly 48%
- **Decisive weapon**: Evenly Matched Evolutionary Countermeasures

### Round 1: Opening Clash & Speed

American Cockroach seizes the opening initiative with superior agility (35 vs 34), circling Housefly and striking from an advantageous flank.

### Round 2: Clash of Superpowers

An earth-shattering clash as American Cockroach's "Switches from six-legged to four-legged and two-legged running at up to 50 body lengths per second" crashes directly into Housefly's "Tastes food with its feet and coats hard food in saliva and stomach fluid to break it down", sending shockwaves through the arena.

### Round 3: Final Resolution

After three grueling rounds, neither creature can establish a decisive edge. Both combatants retreat to neutral ground with full mutual respect.

## Fighter 1: American Cockroach (*Periplaneta americana*)
- **Superpower**: Switches from six-legged to four-legged and two-legged running at up to 50 body lengths per second
- **Danger Level**: Low
- **Conservation Status**: Not Evaluated
- **Habitat**: Mainly basements, sewers, steam tunnels and drainage systems, worldwide
- **Musical Match**: Hella (Math Rock & Instrumental Virtuoso)
- **Full Dossier**: [Read American Cockroach Profile](https://animaltracks.wiki/animals/american-cockroach/)

## Fighter 2: Housefly (*Musca domestica*)
- **Superpower**: Tastes food with its feet and coats hard food in saliva and stomach fluid to break it down
- **Danger Level**: Low
- **Conservation Status**: Not Evaluated
- **Habitat**: Almost anywhere, in cities and the countryside, especially where people live
- **Musical Match**: The Breeders (90s Grunge & Heavy Alt-Rock)
- **Full Dossier**: [Read Housefly Profile](https://animaltracks.wiki/animals/housefly/)

## Biological Matchup Context
When contrasting American Cockroach against Housefly, tactical victory depends on physiological engagement range, strike speed, armor density, and chemical or physical defense mechanisms:
- **American Cockroach**: A cockroach that switches to running on four legs, and on two, at up to 50 body lengths per second.
- **Housefly**: A fly that tastes with its feet, sips only liquids and is a mechanical vector of more than 100 diseases.

Pick your own matchup in the interactive arena: [Battle Arena](https://animaltracks.wiki/compare/american-cockroach-vs-housefly/)

> The Battle Arena is an algorithmic thought experiment for education and entertainment. Never provoke, fight, or disturb animals in the wild.

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