---
title: "Humpback whale vs lion's mane jellyfish — size, weight and spe"
description: "Humpback whale is somewhat greater than lion's mane jellyfish on length — about 1.4×. Compared on 2 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/humpback-whale-vs-lions-mane-jellyfish/
site: "At One Place"
---

# Humpback whale vs Lion's mane jellyfish

**Humpback whale vs lion's mane jellyfish: Humpback whale is larger on length**

Humpback whale is somewhat greater than lion's mane jellyfish on length — about 1.4×.

A humpback whale and a lion's mane jellyfish can be compared on 2 measures. The figures below are typical adult or full-size values, with the larger of the two in bold.

## Side by side

*Larger value in bold. Ranges reflect genuine variation, not uncertainty.*

|  | Humpback whale | Lion's mane jellyfish |
| --- | --- | --- |
| Length | 12–17 m | 3–37 m |
| Typical lifespan | 45–100 yr | 1 yr |

## What the numbers say

- Humpback whale is somewhat greater than lion's mane jellyfish on length — about 1.4×.
- Humpback whale is 50× lion's mane jellyfish on typical lifespan.

*Length compared.*

- Humpback whale: 12–17 m
- Lion's mane jellyfish: 3–37 m

## Humpback whale

A baleen whale known for breaching, long complex songs, and pectoral fins a third of its body length.

## Lion's mane jellyfish

The largest known jellyfish; a specimen washed up in 1870 had tentacles 37 m long.

> This is a comparison of published measurements, nothing more. It describes how two things differ on measures that have been recorded; it does not predict how they would fare against each other in any situation.

## Common questions

### Which is bigger, humpback whale or lion's mane jellyfish?

Humpback whale is somewhat greater than lion's mane jellyfish on length — about 1.4×. Both figures are typical values; the full range for each is in the table above.

### How do humpback whales and lion's mane jellyfish compare on typical lifespan?

Humpback whale: 45–100 yr. Lion's mane jellyfish: 1 yr. Humpback whale is 50× lion's mane jellyfish on typical lifespan.

## Related pages

- [Humpback whale vs sperm whale](https://atoneplace.net/vs/humpback-whale-vs-sperm-whale/)
- [Humpback whale vs whale shark](https://atoneplace.net/vs/humpback-whale-vs-whale-shark/)
- [Blue whale vs humpback whale](https://atoneplace.net/vs/blue-whale-vs-humpback-whale/)
- [Fin whale vs humpback whale](https://atoneplace.net/vs/fin-whale-vs-humpback-whale/)
- [Lion's mane jellyfish vs whale shark](https://atoneplace.net/vs/lions-mane-jellyfish-vs-whale-shark/)

## Sources

- National Oceanic and Atmospheric Administration — NOAA (https://www.noaa.gov/) [Public domain (US Government)]