
Species profile
Common Snook
Centropomus undecimalis
Identify Common Snook (Centropomus undecimalis) from a photo — free, unlimited, no sign-up — with the CatchRules iPhone app. Plus current fishing rules across 3 jurisdictions.
At a glance
Common Snook (Centropomus undecimalis) is an IUCN Least Concern bony-fish species regulated in 3 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.
Bag limits are uniform at 1 per angler across the 3 regulating jurisdictions.
Across 3 jurisdictions with stated minimum sizes, the average minimum is 26.7 in (≈ 2 ft 3 in).
Confirmed by 1,598 research-grade iNaturalist observations, with Florida, Texas, and Georgia the top jurisdictions by observation count.
Notable details
- Common Snook are protandrous hermaphrodites — most begin life as males and later transition to females.
- Their bold dark lateral line extends all the way through the tail fin.
- Can reach over 48 inches and 50 pounds, with the IGFA world record exceeding 53 pounds.
- Cold-sensitive — water temperatures below about 60°F can be lethal to them.
- Equally at home in saltwater and freshwater, they freely move between estuaries, mangroves, and rivers.
Where Common Snook are seen
Jurisdictions with rules for Common Snook
Background
The common snook (Centropomus undecimalis) is a species of marine fish in the family Centropomidae of the order Perciformes. The common snook is also known as the sergeant fish or robalo. It was originally assigned to the sciaenid genus Sciaena; Sciaena undecimradiatus and Centropomus undecimradiatus are obsolete synonyms for the species.
Background excerpt adapted from Wikipedia's Common Snook article (CC BY-SA). Visit Wikipedia for the full entry.
Other bony fish on CatchRules
Frequently asked questions
What is Common Snook?
Common Snook (Centropomus undecimalis) is an IUCN Least Concern bony-fish species regulated in 3 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.
What is the scientific name for Common Snook?
Common Snook is Centropomus undecimalis.
Is Common Snook regulated for fishing?
Yes — Common Snook has fishing regulations in 3 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 Common Snook?
Take a photo with the free CatchRules iPhone app — on-device identification recognizes Common Snook 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.