Nurse shark (Ginglymostoma cirratum)

Shark Ray Alley

Dive site on the Belize Barrier Reef or its offshore atolls. Here's what has been recorded at this site month by month, how the region’s reefs have weathered ocean heat, and how to prepare.

Belizereef
Near this sitegeotagged about 1.0 km from the site coordinates Nurse shark (Ginglymostoma cirratum) · Marilyne Busque-Dubois · CC BY 4.0 · iNaturalist
Atlantic blue tang (Acanthurus coeruleus)
Chapter I · Arrival

Shark Ray Alley: dive site on the Belize Barrier Reef or its offshore atolls.

~17.852° N~88.020° W · Wikidata
21open records · GBIF
16species recorded
Near this sitegeotagged about 1.1 km from the site coordinates Atlantic blue tang (Acanthurus coeruleus) · Natalie Lemanski · CC BY-SA 4.0 · iNaturalist
II

Entry

Atlantic blue tang (Acanthurus coeruleus)

Shore and boat entries vary by site. We list only rules we can cite from official sources; entry points, depths and currents will be added once we can verify them.

Approximate positionThese coordinates come from a crowd-sourced map or Wikidata item, not an official mooring list. Use them for orientation only.
To verifyDepth range, entry points and current notes. We publish them only with a citation. The coordinates mark the site in general, not a mooring or entry point.
Local rules (cited)

Near this sitegeotagged about 1.1 km from the site coordinates Atlantic blue tang (Acanthurus coeruleus) · Natalie Lemanski · CC BY-SA 4.0 · iNaturalist

Nurse shark (Ginglymostoma cirratum)
Open media · Near this sitegeotagged about 1.0 km from the site coordinates Nurse shark (Ginglymostoma cirratum) · Marilyne Busque-Dubois · CC BY 4.0 · iNaturalist

The surface noise falls away.

Reds go first. The world turns blue-green.

Then Shark Ray Alley rises to meet you.

Nurse shark (Ginglymostoma cirratum)
IV

What lives here, by month

Pick a month. These are the species most often recorded within about a kilometre in that month, from open survey records.

Oct
October · 0 qualifying records
Life calendar · records per month for this site's most-recorded species (blank means not in that month's top list)
SpeciesJanFebMarAprMayJunJulAugSepOctNovDec
Dog snapper
Nurse shark
Horse-eye jack
Bluestriped Grunt
Black Margate
Yellowhead Wrasse
Schoolmaster Snapper
Gray Snapper
Sand Tilefish
Bar jack
Gray angelfish
Sergeant Major

Most-recorded species, all months

  1. Dog snapper (3)
  2. Horse-eye jack (2)
  3. Nurse shark (2)
  4. Bluestriped Grunt (1)
  5. Black Margate (1)
  6. Yellowhead Wrasse (1)
  7. Schoolmaster Snapper (1)
  8. Gray Snapper (1)
  9. Sand Tilefish (1)
  10. Bar jack (1)
  11. Gray angelfish (1)
  12. Sergeant Major (1)
  13. Green moray (1)
  14. Yellowline Arrow Crab (1)
  15. Southern Stingray (1)
  16. Permit (1)

GBIF.org (2026-10-15), occurrence records within ~1 km, licensed CC0 or CC BY 4.0 only. Birds and land animals are excluded. Counts reflect survey effort, not abundance. 21 qualifying records. See them on GBIF. Common names: Wikidata (CC0) / GBIF. Species photos: Wikimedia Commons, credited with each species.

V

Forty-one summers of heat

Each stripe is one year since 1985, colored by its peak heat stress across NOAA's “Belize” region. These are NOAA Coral Reef Watch satellite figures for the whole region, not for this one site.

19852026
Reef health report · Belize

Heat stress, measured from orbit.

Degree Heating Weeks · 2026-10-1314.8°C-weeks · NOAA status: Alert Level 2

NOAA CRW virtual station “Belize”. NOAA's alert thresholds are 4 °C-weeks (Alert Level 1) and 8 °C-weeks (Alert Level 2). Station page · Method. Credit: NOAA Coral Reef Watch.

Peak per year · dashed lines at 4, 8 and 16 °C-weeks
The past twelve months
VI

Conditions

Average sea temperature through the year. Check the live readings before you go.

Average sea surface temperature by month: NOAA CRW “Belize” station climatology (monthly means).

Buoy readings are measurements; forecasts are models. Use them for planning only, and assess conditions on site. Depth and visibility data aren't listed until we can cite a source.

VII

Plan & prepare

  1. Read the official marine forecast the night before.Offshore, wind and sea state decide the day.
  2. Check the cited local rules above and pay any park fee before you dive.[Placeholder: verified operator list to come]
  3. Study this month's species above.You'll recognise more when you know the names.
  4. Hands off, fins up, buoyancy dialled. Log what you see.Your sightings can become tomorrow's open data.

Credits

Coordinates
Wikidata Q21870310 (CC0). Wikidata (CC0) and OpenStreetMap (ODbL) features. These are approximate positions, not official mooring coordinates.
Species records
GBIF.org, CC0 & CC BY 4.0 records. By license: CC0_1_0: 19, CC_BY_4_0: 2
Dataset
iNaturalist Research-grade Observations · doi:10.15468/ab3s5x (21 records) · GBIF
Query
https://api.gbif.org/v1/occurrence/search?decimalLatitude=17.841569999999997,17.86157&decimalLongitude=-88.03014,-88.01013999999999&license=CC0_1_0&license=CC_BY_4_0&taxonKey=44&taxonKey=206&taxonKey=229&taxonKey=136&taxonKey=225&occurrenceStatus=PRESENT&limit=0
Heat stress & SST
NOAA Coral Reef Watch, 5 km Regional Virtual Station “Belize”
Hero photo
Near this sitegeotagged about 1.0 km from the site coordinates Nurse shark (Ginglymostoma cirratum) · Marilyne Busque-Dubois · CC BY 4.0 · iNaturalist
Arrival photo
Near this sitegeotagged about 1.1 km from the site coordinates Atlantic blue tang (Acanthurus coeruleus) · Natalie Lemanski · CC BY-SA 4.0 · iNaturalist
Gallery
7 photos, credited under each image
Species photos
Wikimedia Commons, credited with each species. Full list: Data & sources