# Pesto the Penguin

> Aquarium staff estimated Pesto's reach at 5 billion as fan clips and memes spread.

- Owner: SEA LIFE Melbourne Aquarium (Merlin Entertainments)
- Kind: Moment
- Sector: Entertainment
- Seed date: 2024-07-30
- Peak date: 2024-09-27
- Spread Score: 60 (Viral), v1.2
- Mechanics: Creator relay, Platform jump, Press loop, Response chain, Pairing

## Summary

An aquarium reel showed Pesto towering over adult penguins. Visitor clips, Moo Deng comparisons and fan art spread across TikTok, X and Instagram. Celebrity visits followed, while the aquarium reported record attendance and merchandise sell-outs.

## Timeline

- 2024-03-28 — Merlin Entertainments (Open web) — Merlin announced Pesto and invited aquarium guests to see the chick in its nursery.
- 2024-07-30 — Herald Sun / SEA LIFE Melbourne (Instagram) — The aquarium and Herald Sun posted a reel showing Pesto as their biggest ever chick.
- 2024-09-05 — SEA LIFE Melbourne (Open web) — The aquarium held a cake-cutting party to reveal that Pesto was male.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/pesto-the-penguin

Cite as: How It Spread (2026). “Pesto the Penguin.” Case HIS-00341. Spread Score v1.2: 60/100. Updated 2026-10-13. https://howitspread.com/id/HIS-00341