Queen conch
The queen conch is a marine mollusc native to the Caribbean and western Atlantic, recognised for its spiral pink shell. Its scientific name is Aliger gigas.
Also known as: pink conch, Aliger gigas
How big is it?
25 cm · defined shell length
Also 9.843 in
Defined shell length · defined specimen
Typical recorded range: 18 cm to 35 cm.
A little perspective
Queen conch vs Axolotl: length comparison
The shell length of a queen conch is approximately equal to the total length of an axolotl.
The queen conch is a marine mollusc native to the Caribbean and western Atlantic, recognised for its spiral pink shell.
An axolotl is an aquatic salamander from Mexico that retains its larval features and external gills throughout its life.
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions.
Measurements, assumptions & sources +
Queen conch
Defined shell length: 25 cm; defined specimen; range 18 cm–35 cm.
A defined adult queen conch with a 25 cm shell and 1.5 kg live mass, within published adult limits. The flared shell lip is included in length; the extended foot and proboscis are contextual.
The marked defined shell length is calibrated. Unmeasured illustration details are representative.
Axolotl
Representative total length: 25 cm; representative; range 15 cm–30 cm.
A representative adult axolotl 25 cm long and 200 g. Captive adults vary substantially; external gills and the complete tail are included.
San Diego Zoo Wildlife Alliance — Axolotl
The marked representative total length is calibrated. Unmeasured illustration details are representative.
Use the visual comparison to explore its scale, then check the measurements and sources.
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Why this measurement?
Why we use 25 cm
We compare the shell length of a queen conch. This is an illustrative comparison value, not a claim that every example is the same. The recorded range is 18 cm to 35 cm.
A defined adult queen conch with a 25 cm shell and 1.5 kg live mass, within published adult limits. The flared shell lip is included in length; the extended foot and proboscis are contextual.
The marked horizontal span follows the measured feature, not the edges of the image. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 25 cm | 18 cm to 35 cm | defined specimen | |
| 1.5 kg | 800 g to 2.3 kg | defined specimen |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valueLiving thingsGeoduck17 cmDefined shell lengthA geoduck is a large burrowing marine clam with a comparatively small shell and a very long siphon.
Around the same scaleLiving thingsBrown rat25 cmBody lengthA brown rat is a medium-sized rodent that adapts easily to urban and rural environments.
Nearest higher valueLiving thingsDumbo octopus30 cmDefined arm-tip-to-fin-tip lengthThe dumbo octopus is a deep-sea animal belonging to the genus Grimpoteuthis, recognised for its webbed arms and distinctive ear-like fins used for swimming.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- NOAA Fisheries — Queen conchAdult shell anatomy, size and mass range; the atlas selects an explicit adult specimen.
There’s always another scale
Follow your curiosity.
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Living thingsAxolotl25 cmAn axolotl is an aquatic salamander from Mexico that retains its larval features and external gills throughout its life.
Everyday thingsA4 paper29.7 cmA4 paper is an ISO 216 paper format commonly used internationally for letters, forms and printed documents.
PeopleHuman liver28 cmThe human liver is a vital organ in the abdomen that processes nutrients, detoxifies chemicals, and produces bile for digestion.
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