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Nurse Shark
Ginglymostoma cirratum
Fish · family Ginglymostomatidae · order Orectolobiformes

The Nurse Shark (Ginglymostoma cirratum) is a fish in the family Ginglymostomatidae[4]. NatureServe records its IUCN Red List category as Vulnerable, and it is not listed under the US Endangered Species Act[5][1].
Conservation status
The IUCN Red List category recorded by NatureServe for the Nurse Shark is Vulnerable[5]. In USFWS ECOS data, the species is not listed as endangered or threatened under the US Endangered Species Act, checked on 2026-10-30[1]. Not being listed under the ESA is a legal fact about that one law.
Where Nurse Shark lives
NatureServe lists the Nurse Shark as native in 3 US states and territories: Delaware, South Carolina and Texas[2]. On GBIF, the states with the most observation records are Florida, North Carolina, New Mexico, Texas and California[6]. Those counts follow how much people look and report, not how many sharks live there[6].
- Native
- Introduced
- Extirpated or possibly extirpated
Show state ranks (3 states)
| State | Rank | Meaning |
|---|---|---|
| Delaware | SNR | Not Ranked |
| South Carolina | S4 | Apparently Secure |
| Texas | SU | Unrankable |
Lifespan
The Nurse Shark belongs to the order Orectolobiformes[4]. The longest recorded lifespan in AnAge is 25 years in the wild[3]. That is a record, not a typical lifespan[3].
| Trait | Value |
|---|---|
| Longest recorded lifespan (AnAge)[3] | 25 years (wild) |
When to look for it
GBIF observation records of the Nurse Shark in the United States peak in June, July and August[8]. Records reflect when people look and report, not how many animals there are[8].
Show records by month
| Month | Records |
|---|---|
| January | 101 |
| February | 85 |
| March | 107 |
| April | 123 |
| May | 170 |
| June | 348 |
| July | 289 |
| August | 232 |
| September | 135 |
| October | 60 |
| November | 90 |
| December | 73 |
Where to see it
National Park Service species lists record Nurse Shark as present in 4 park units[9]. Present means the park has a confirmed record, not that sightings are common.
- Biscayne National Park
- Dry Tortugas National Park
- Everglades National Park
- Padre Island National Seashore
States with the most GBIF observation records: Florida, North Carolina, New Mexico, Texas, California[6]. These counts follow where people look and report, not population size.
Questions people ask
- Is the Nurse Shark endangered?
- It is not listed as endangered or threatened under the US Endangered Species Act[1]. NatureServe records its IUCN Red List category as Vulnerable[5].
- Where does the Nurse Shark live in the US?
- NatureServe lists it as native in Delaware, South Carolina and Texas[2]. GBIF records are most numerous for Florida, North Carolina, New Mexico, Texas and California, but this reflects observer effort[6].
Facts and sources
- Nurse Shark is not listed as endangered or threatened under the US Endangered Species Act in USFWS ECOS data (checked 2026-10-30). USFWS ECOS
- NatureServe lists Nurse Shark as native in 3 US states and territories: Delaware, South Carolina, Texas. NatureServe Explorer
- Maximum recorded lifespan in AnAge: 25 years in the wild. This is a record, not a typical lifespan. AnAge
- Nurse Shark (Ginglymostoma cirratum) is a fish in the family Ginglymostomatidae, order Orectolobiformes. NatureServe Explorer
- IUCN Red List category as recorded by NatureServe: Vulnerable. NatureServe Explorer
- US states with the most GBIF observation records of Nurse Shark: Florida, North Carolina, New Mexico, Texas, California. Record counts follow observer effort, not population size. GBIF
- NatureServe state ranks for Nurse Shark (map and table on this page). NatureServe Explorer
- GBIF observation records of Nurse Shark in the US by month (chart on this page). GBIF
- NPSpecies park lists recording Nurse Shark as present (list on this page). NPS NPSpecies
NatureServe. 2026. NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available https://explorer.natureserve.org. (Accessed: October 30, 2026). Licensed under CC BY 4.0; SpeciesFacts selected and summarized it.
Photo: Unknown author, Public domain, via Wikimedia Commons.