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 long
Also 9.843 in
Defined shell length · defined specimen
Typical recorded range: 18 cm to 35 cm.
A little perspective
About the same scale as Axolotl.
Axolotl: An axolotl is an aquatic salamander from Mexico that retains its larval features and external gills throughout its life.
Measurements, assumptions & sources +
Queen conch
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
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.
Change your perspective
Put it next to…
Choose a suggestion to redraw the comparison, or open its page to learn what it is.
Why this measurement?
Why we use 25 cm
For comparison, this page uses defined shell length. This is labelled defined specimen: an explicit comparison model rather than a claim that every example has the same value. 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 named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Queen conch 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
Go smaller. Go bigger.
These links use compatible length records, ordered around the selected value.
Nearest lower value · Living thingsGeoduck17 cmA geoduck is a large burrowing marine clam with a comparatively small shell and a very long siphon.
Around the same scale · Living thingsBrown rat25 cmA brown rat is a medium-sized rodent that adapts easily to urban and rural environments.
Nearest higher value · Living thingsDumbo octopus30 cmThe 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.
Living thingsAbalone10 cmAn abalone is a marine mollusc with a flattened, ear-shaped shell, belonging to the genus Haliotis.Living thingsGeoduck17 cmA geoduck is a large burrowing marine clam with a comparatively small shell and a very long siphon.
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.
SportSize 5 football430 gAn association-football ball is an air-filled spherical ball designed to be kicked, passed and headed during play.
ContainersFrench coffee press1 LA French coffee press is a device for brewing coffee by steeping ground beans in hot water and separating them with a plunger and mesh filter.
SpaceVanguard 116.5 cmVanguard 1 is an early American satellite launched in 1958, notable for being the oldest human-made object still in orbit.