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Photo of a Snowy Grouper

Species profile

Snowy Grouper

Hyporthodus niveatus

Bony fishIUCN: Vulnerable150 iNat observations

Identify Snowy Grouper (Hyporthodus niveatus) from a photo — free, unlimited, no sign-up — with the CatchRules iPhone app. Plus current fishing rules across 4 jurisdictions.

At a glance

Snowy Grouper (Hyporthodus niveatus) is an IUCN Vulnerable bony-fish species regulated in 4 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

The strictest bag limit is 1 (Louisiana); the most generous is 4 (Florida).

Confirmed by 110 research-grade iNaturalist observations, with New York, New Jersey, and Rhode Island the top jurisdictions by observation count.

Notable details

  • Juveniles display vivid white spots across their bodies that fade significantly as the fish matures.
  • A deepwater species found at depths of about 100 to 525 meters in the western Atlantic.
  • Can reach approximately 110 centimeters (43 inches) in length.
  • Like other groupers in its genus, it is a protogynous hermaphrodite.
  • Ranges from Nova Scotia to Brazil, making it one of the more northerly-ranging deepwater groupers.

Background

The snowy grouper (Hyporthodus niveatus) is a species of marine fish in the family Serranidae. It is found in the Caribbean Sea and Gulf of Mexico neighborhood: in Aruba, the Bahamas, Belize, Bermuda, Brazil, Colombia, Costa Rica, Cuba, French Guiana, Grenada, Guatemala, Guyana, Honduras, Jamaica, Mexico, Netherlands Antilles, Nicaragua, Panama, Suriname, Trinidad and Tobago, the United States,…

Background excerpt adapted from Wikipedia's Snowy Grouper article (CC BY-SA). Visit Wikipedia for the full entry.

Frequently asked questions

What is Snowy Grouper?

Snowy Grouper (Hyporthodus niveatus) is an IUCN Vulnerable bony-fish species regulated in 4 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

What is the scientific name for Snowy Grouper?

Snowy Grouper is Hyporthodus niveatus.

Is Snowy Grouper regulated for fishing?

Yes — Snowy Grouper has fishing regulations in 4 U.S. states and/or Canadian provinces tracked by CatchRules. See the "Jurisdictions with rules" section above for the binding-source links.

How can I identify Snowy Grouper?

Take a photo with the free CatchRules iPhone app — on-device identification recognizes Snowy Grouper along with ~1,500 other species. No sign-up, unlimited use.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.