Mutton vs. lane vs. mangrove snapper: identification and limits

As of / last verified: October 14, 2026 against official sources · Source: FWC: Snapper regulations (Gulf & Atlantic)

Quick answer

Fastest ID: Pointed anal fin = mutton; rounded anal fin + yellow stripes = lane; dark gray with big canines = mangrove
Mutton: 18" TL, 5/day (both coasts)
Lane: Gulf state 10", 20/day (new Apr 1, 2026); Atlantic 8", 10/day in aggregate
Mangrove (gray): State 10", 5/day; federal 12", 10/day
Permits: Saltwater license; State Reef Fish Angler for mutton from a private boat

Mutton snapper: side view for identification — Mutton snapper: pointed anal fin. Credit: NOAA Fisheries (SEFSC Pascagoula Laboratory, Brandi Noble collection). Public domain

Lane snapper: side view for identification — Lane snapper: yellow stripes, rounded anal fin. Credit: NOAA Fisheries (SEFSC Pascagoula Laboratory, Brandi Noble collection). Public domain

No public-domain USFWS/NOAA image of gray (mangrove) snapper was available; see the ID table below.

Measure in a straight line with the fish on its side; don't follow its curve. Snappers use total length. Source: FWC Fish Measurement. Original graphic.

Identification

Feature	Mutton	Lane	Mangrove (gray)
Body color	Olive-green above, lighter belly	Pinkish-red above, silvery belly	Dark brown or gray
Markings	Dark spot just above lateral line; blue line under eye along gill cover	8–10 yellowish side stripes; dark spot touching lateral line, about eye-size	Red-orange spots in bars; juveniles have dark stripe snout→eye→gill cover
Anal fin	Pointed	Rounded	n/a
Fins	Red tint on fins below lateral line	Tail edged in black	Dorsal fins with dark or reddish borders
Teeth	Chevron-shaped tooth patch	n/a	Two large upper canines; anchor-shaped tooth patch
Typical size (FWC)	Up to 30 in	Usually under 14 in	Common to 24 in

Limits by coast

Species	Gulf (state)	Gulf (federal)	Atlantic
Mutton	18" TL; 5 (in 10-snapper aggregate)	18" TL; 5	18" TL; 5 (in aggregate)
Lane	10" TL; 20 (not in aggregate)	8" TL; 20 in reef fish aggregate	8" TL; 10 (in aggregate)
Gray (mangrove)	10" TL; 5 (in aggregate)	12" TL; 10 (in aggregate)	State 10" / federal 12"; state 5 / federal 10

All three are open year-round. Special rules apply in Biscayne National Park.

Don't get ticketed: checklist

Count it toward the 10-snapper aggregate where applicable (mutton, gray, and Atlantic lane).
Gulf lane snapper (state waters) are outside the aggregate since April 1, 2026.
Federal and state sizes differ for gray snapper (12" vs 10").
Reef fish gear rules apply.
Sign up for the free State Reef Fish Angler designation before targeting mutton from a private boat.

Permit steps

Have a saltwater license (unless exempt).
Add the free State Reef Fish Angler designation at GoOutdoorsFlorida.com if fishing from a private vessel for listed reef fish.

Frequently asked questions

How do you tell mutton snapper from lane snapper?

Check the anal fin. Mutton snapper have a pointed anal fin and lane snapper have a rounded one. Lane snapper are pinkish-red with 8 to 10 yellowish side stripes and a black-edged tail. Mutton snapper are olive-green above, with a blue line under the eye and red-tinged lower fins.

How do you identify a mangrove (gray) snapper?

Mangrove snapper are dark brown or gray with rows of red-orange spots, two large canine teeth at the front of the upper jaw, and dark or reddish edges on the dorsal fins. Young fish have a dark stripe from the snout through the eye.

What is the mutton snapper size limit?

18 inches total length, 5 per person within the 10-snapper aggregate, Gulf and Atlantic, open year-round.

What changed for Gulf lane snapper in 2026?

Starting April 1, 2026, Gulf state waters have a 10-inch minimum and a 20-fish bag limit for lane snapper, and they are not counted in the 10-snapper aggregate. Gulf federal waters are 8 inches, 20 within the reef fish aggregate.

Do I need the State Reef Fish Angler designation for these snappers?

For mutton snapper, yes, when fishing from a private boat; it is on the SRFS species list. Lane and gray snapper are not on that list.

Official sources

Last verified: October 14, 2026.

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Disclaimer: This page is a plain-English summary for general information. It is not legal advice. Rules, seasons and boundaries can change at short notice, including by emergency order. Always check the current regulations on MyFWC.com before you fish.