Fish identification archive / Colorful Moon Snail

Colorful Moon Snail

Naticarius canrena

I SAW THIS on my dive

Caption and sharing options

Spotted this marine animal? Share the guide with your dive buddies. Review your caption before posting.

For Instagram, copy the caption and link into your own post or message. Nothing is posted automatically and this does not record a verified sighting.

 

Colorful moon snail with patterned globular shell and broad pale crawling foot.
Original educational illustration; not a photograph, occurrence voucher or exhaustive identification key. adult Globose low-spired shell with reddish-brown wavy/transverse markings and expanded pale foot. Complete tentacles and shell; umbilicus/operculum not visible and not falsely asserted.

Fun facts for your next surface interval

  • Some shells lack the usual color bands. [source]
  • The operculum is calcareous. [source]
  • The shell’s underside hollow is partly filled by a white callus. [source]

Florida and local context

Florent Charpin’s individual photograph page identifies Naticarius canrena and explicitly places that photograph at Blue Heron Bridge, Florida.

A documented past record does not establish present abundance or guarantee an encounter.

Sources: Biology or local occurrence reference

How to recognize this animal

A rounded, thin-walled shell has a deep underside hollow partly filled by a white callus. Its white operculum has strong spiral ridges.

Sources: Biology or local occurrence reference

Size and life stages

The museum account gives shell size to 38 mm. This is a shell measurement, not the length of the extended living animal.

Sources: Biology or local occurrence reference

Habitat and where to look

The corridor record is at Blue Heron Bridge; the museum’s live photographs are from southwest Florida and are separate evidence.

Sources: Biology or local occurrence reference; Biology or local occurrence reference

Range and local context

The local field guide lists Caribbean, Florida, Bahamas, Bermuda. The corridor evidence is a historical record from Blue Heron Bridge, Florida, not a survey of present distribution.

Sources: Biology or local occurrence reference

What is on the menu?

A species-specific diet was not verified in the recovered sources. No prey list is inferred from relatives.

Daily habits and behavior

Color pattern varies; some shells lack the usual contrasting bands.

Sources: Biology or local occurrence reference

Mating and the next generation

Species-specific reproductive details and a local spawning calendar were not verified in the recovered evidence.

Look-alikes and identification traps

Compare the underside hollow and operculum, not banding alone. Do not remove a living snail to expose these parts.

Sources: Biology or local occurrence reference

Observe without disturbing

Maintain buoyancy and distance. Do not touch, feed, collect, turn over, detach or reposition the animal or its substrate for a photograph. A historical locality record is not permission to harvest.

Harvest, protection and eating safety

Unknown: exact harvest rules need verification

The neutral gray status means the rules or scope have not been fully verified. Exact species and jurisdiction clearance is unresolved. Unknown is not a protected or prohibited classification.

This color is a qualified summary, not permission to collect or a guarantee that a particular animal is safe to eat.

Can it be hunted or harvested?

Naticarius canrena is a live gastropod, not a listed Nassarius snail, named starsnail, queen conch or empty shell. Exact species harvest, gear, limits and annual openness remain unresolved; no generic shell-collecting permission is inferred.

Florida seasons and areas

No affirmative annual season or current-trip openness is established. Check exact mapped boundaries before any take. Blue Heron Bridge designated dive-site waters prohibit marine-life collection, not all Palm Beach County fishing. Biscayne ornamental collection requires a superintendent collecting permit; its mapped seasonal fishing/possession closure runs March 1–May 31, effective March 2026, with properly stowed continuous transit excepted. Pennekamp protects specimens and coral, prohibits tropical-fish collection and spearfishing, and allows fishing only under its designated-area rules; it is not permission to collect ornamental invertebrates. Key Largo Management Area prohibits taking coral and other marine invertebrates. Its exceptions are commercial spiny-lobster and stone-crab trapping and recreational spiny-lobster hand/hand-gear harvest under applicable rules, not recreational collection of the crabs or other taxa here. Sanctuary Preservation Areas prohibit collection and fishing subject only to expressly stated exceptions. These site rules do not establish a corridor-wide prohibition.

Can it be speared?

Species-specific spearing clearance remains unverified. FWC restricts spearfishing near public swimming beaches, fishing piers/bridges and jetties, and in state parks. The Long Key-north Monroe restriction concerns state waters; Key Largo Management Area separately prohibits spearfishing. Federal location alone is not clearance.

Is it safe to eat?

No exact-species, site-specific food-safety clearance or meal frequency was verified. Legal take does not establish safety; some marine toxins survive cooking and freezing. Check current Florida Health advice and shellfish-area status where relevant. No dated, species-matched local menu evidence was verified; recipes remain disabled.

Naticarius canrena is a live gastropod, not a listed Nassarius snail, named starsnail, queen conch or empty shell. Exact species harvest, gear, limits and annual openness remain unresolved; no generic shell-collecting permission is inferred.

This review covers the Vero Beach–Key Largo Atlantic corridor: Indian River, St. Lucie, Martin, Palm Beach, Broward, Miami-Dade and Monroe counties. Florida Atlantic state waters and South Atlantic federal waters are distinct jurisdictions. Do not extend a state-water season tag to federal waters or transfer Atlantic rules to Gulf-side Keys waters. Park and sanctuary boundaries can override a species allowance.

Before you act: Confirm the species, date, exact management area, state or federal waters, gear, licenses and current local closures. A local occurrence record never grants permission to take an animal.

Official rules and health guidance

Reviewed 2026-11-11. Rules and advisories can change; check the linked authorities before acting.

Identification and source cautions

  • Reconstructed after workspace loss; new independent source review required.
  • Local photos establish historical occurrence only; they were not independently reidentified.
  • Unverified reproductive and feeding details are deliberately left unknown.

Sources and review

Reconstructed 2026-11-11; independent biology review pending. Photographs on cited sites are reference material and are not reproduced here.

Make your next dive happen

Dive With Us

Explore local charters and plan a dive suited to your experience.

View dive calendar

Train With Us

Build your fish identification, buoyancy and diving skills.

Explore training

Shop With Us

Browse equipment for your diving and ask our team for help choosing.

Explore dive gear

Review current dates, availability, prices, inclusions and requirements on each listing before booking or buying.

Call us now

(772) 600-8288

Ask about marine life identification

Marine Life Identification

Ask about dates, prerequisites or your next step. An inquiry does not reserve a place. Please provide your own contact details; do not include medical, payment or a child's personal information.

We use these details to respond to your inquiry. This form does not sign you up for marketing.

Explore more with Stuart Scuba

Open Water course options · Advanced Adventure training · Technical training · Professional training · All courses · Local dives · Dive trips · Facebook · Instagram · YouTube

Your surface-interval essentials

Questions for Stuart Scuba? info@stuartscuba.com

Check the Stuart Scuba Weather Center · Play scuba trivia

Weather and wildlife vary. Confirm current conditions, trip requirements and departure details with the operator.

Plan Your Next Dive with Stuart Scuba

Dive With Us

Explore upcoming local charters and choose a dive that fits your experience.

View the Dive Calendar

Before you book

Check the individual listing for departure time, requirements and availability.

Travel With Us

Find upcoming dive adventures and start planning your next trip.

View the Travel Calendar

Plan your trip

Review dates, inclusions and trip details on the travel calendar.

Stay Connected with Stuart Scuba

Google Reviews

See Stuart Scuba’s current Google rating and review count below. Open the listing in Google Maps to browse customer reviews.

Leave us a Google review

Top