Grass sweetlip (grass emperor)

Grass emperor in South East Queensland: minimum 30 cm, 10 per person, no closed season. Rules checked 8 Oct 2026. Best months SEQ-wide: November to April.

Updated

Grass sweetlip, or grass emperor (Lethrinus laticaudis), swimming over a reef at Magnetic Island
Photo: Luke Lythgoe, CC BY 4.0, via Wikimedia Commons (cropped and resized). Photo credits

Scientific name: Lethrinus laticaudis. Also called grass emperor, sweetlip and grassy.

Grass sweetlip at a glance
Scientific nameLethrinus laticaudis
Other namesgrass emperor, sweetlip, grassy
Limits shown forGrass emperor
Minimum size30 cm
Bag (possession) limit10 per person
Closed season in SEQNone
Best months (SEQ-wide)Nov–Apr
Also in seasonMay–Oct
Best tideNo clear tide preference
Best lightDawn and dusk
HabitatsThe open bay and passages; offshore reefs

Grass sweetlip size and bag limit in QLD

Grass emperor: min 30 cm, 10 per person. No closed season. Not the coral-reef "sweetlips" group (25 cm, 5 per species); do not confuse with spangled emperor (45 cm, 5).

Checked 8 Oct 2026 against the Queensland Government pages: size and possession limits and closed seasons.

Limits are possession limits: they count everything you hold, including any at home in the freezer. In yellow (conservation park) zones: max 2 lines and 2 hooks in total per angler. Green zones: no fishing. All QLD fishing rules

When to catch grass sweetlip in South East Queensland

October 2026: Grass sweetlip is in season across South East Queensland, though not at its peak.

Grass sweetlip season by month, South East Queensland
WhereJanFebMarAprMayJunJulAugSepOctNovDec
SEQ-wideJanuary: peak seasonFebruary: peak seasonMarch: peak seasonApril: peak seasonMay: in seasonJune: in seasonJuly: in seasonAugust: in seasonSeptember: in seasonOctober: in seasonNovember: peak seasonDecember: peak season
  • peak season
  • in season
  • off season
  • closed season for at least part of the month

Time of day: Dawn, dusk and night in the bay; daytime on the offshore reefs.

Weather: not fussy about wind; rain makes little difference.

Seasons partly come from Coastwatch report mentions, not catch numbers.

Grass sweetlip by area
AreaHow commonBestAlso in season
Pumicestone Passage & BribieMain areaNov–AprMay–Oct
Northern Moreton BayAlso caughtNov–AprMay–Oct
Western Moreton BayMain areaNov–AprMay–Oct
Brisbane RiverOccasionalNo season given–
Southern Moreton BayMain areaNov–AprMay–Oct
Straddie & JumpinpinAlso caughtNov–AprMay–Oct
Gold CoastOccasionalNo season given–
Offshore Sunshine CoastMain areaall year (local season)–

Not in our guide for Noosa, Sunshine Coast, Moreton Island, Offshore Moreton and Offshore Gold Coast.

Where to catch grass sweetlip in SEQ

Moreton Bay inshore reefs and weed/rubble: Redcliffe and Scarborough reefs, Peel, Green and Mud islands, the bay artificial reefs. Offshore all year on the shallow reefs: Caloundra 3-9 Mile, Currimundi and Murphys reefs, Noosa North and Sunshine reefs.

Catch Signal forecast areas that rate grass sweetlip: Caloundra & northern Pumicestone Passage, Bribie Island & southern Pumicestone Passage, Redcliffe Peninsula & Deception Bay, Bramble Bay, Pine River & Sandgate, Central bay & Moreton Island west, Wynnum, Manly & Wellington Point, Cleveland, Peel & Straddie west, Victoria Point, Redland Bay & bay islands, Jumpinpin, Jacobs Well & Pimpama, Ocean side of Straddie & Moreton, Offshore: Mooloolaba to Caloundra.

Spots to try for grass sweetlip
SpotAreaTide times
Reef Point / North ReefRedcliffe Peninsula and Deception BayScarborough
Shorncliffe PierBramble Bay, Pine River and SandgateShorncliffe
Wynnum Jetty (Pandanus Beach)Wynnum, Manly and Wellington PointManly
Cleveland PointCleveland, Peel and Straddie westCleveland Point
Victoria Point jettyVictoria Point, Redland Bay and bay islandsVictoria Point
Mudjimba (Old Woman) IslandOffshore: Mooloolaba to CaloundraMooloolaba
Tangalooma PointCentral bay and Moreton Island westTangalooma
North Stradbroke Artificial ReefOcean side of Straddie and MoretonBrisbane Bar

Picked because the water each spot reaches suits grass sweetlip (our habitat match), not from catch reports. Each spot links to its place on the area page; tide times are for the place our forecast reads for that spot.

How to catch grass sweetlip: best baits, lures and rig

Baits

  • Squid and fresh fish strips
  • Prawns
  • Pilchard pieces
  • Slowly presented floating baits

Lures

  • Lightly weighted soft plastics and prawn imitations

Grass sweetlip rig

Light line and the smallest sinker possible in the bay (as for inshore snapper); paternoster on the offshore reefs.

Good to know about grass sweetlip

In the bay numbers build as the water warms (Nov-Apr) and drop away Jun-Sep; on the Sunshine Coast reefs they are reported all year.

Open in the forecast

See grass sweetlip in the Catch Signal app: seasons for the area you fish, closed-season warnings and the best days this week.

Sources

Rules are short, dated summaries: always check the official pages before you keep a fish. Species notes are in our own words from the sources listed.