---
title: "American Cockroach vs Great Scallop: Who Would Win?"
description: "Who would win, American Cockroach or Great Scallop? Too close to call: our 3-round simulation gives 51% to 49%."
image: "https://animaltracks.wiki/icon-512.png"
---

# American Cockroach vs Great Scallop: Who Would Win?

American Cockroach vs Great Scallop is too close to call. Our 3-round simulation gives American Cockroach a 51% chance and Great Scallop 49%, 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 51%, Great Scallop 49%
- **Decisive weapon**: Evenly Matched Evolutionary Countermeasures

### Round 1: Opening Clash & Speed

Both fighters trade rapid exploratory blows, testing each other's reaction times in a high-voltage standoff.

### 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 Great Scallop's "Numerous tiny eyes around the mantle edge, and a swim powered by clapping its valves", 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: Great Scallop (*Pecten maximus*)
- **Superpower**: Numerous tiny eyes around the mantle edge, and a swim powered by clapping its valves
- **Danger Level**: Low
- **Conservation Status**: Not Evaluated
- **Habitat**: Clean firm sand and gravel on the European Atlantic coast, 10 to 110 m deep
- **Musical Match**: Fitz and the Tantrums (2010s Pop & Electropop)
- **Full Dossier**: [Read Great Scallop Profile](https://animaltracks.wiki/animals/great-scallop/)

## Biological Matchup Context
When contrasting American Cockroach against Great Scallop, 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.
- **Great Scallop**: Edges its mantle with tiny blue-green eyes and swims by clapping its shell

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

> 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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