Waterlands

Species guide · Hawaii

Giant trevally fishing in Hawaii

Caranx ignobilis, a nearshore species also called ulua, white ulua and ulua aukea. Listed for the Hawaii region. Shoulder season, about 31 more weeks.

Season now

Shoulder season

Season by month

From the Waterlands saltwater species research: when the fish are present and biting, not whether retention is open.

Hawaii

Shoulder season, about 31 more weeks
  1. Jan: Shoulder season
  2. Feb: Shoulder season
  3. Mar: Shoulder season
  4. Apr: Shoulder season
  5. May: Peak season
  6. Jun: Peak season
  7. Jul: Peak season
  8. Aug: Shoulder season
  9. Sep: Shoulder season
  10. Oct: Shoulder season
  11. Nov: Shoulder season
  12. Dec: Shoulder season

Peak: May to Jul. In season (shoulder or peak): all year.

Research notes, Hawaii region

Ulua and papio support the most popular recreational fishery in the state (DAR). Fish stay in small home ranges in winter and travel up to 38 km along the coast during the summer spawning season, spawning February-September with a peak May-July just before full moons. Researchers have recommended protecting that peak. Regulatory: DAR sets minimum size and bag limits for ulua and papio; check current rules.

Seasons and limits in these notes are background. The regulations below and the regulator’s own page govern.

Where it's scoring now · 0

The Waterlands engine isn't scoring giant trevally in any Hawaii bay system in the current 14-day forecast.

Not scored in this forecast: Alenuihaha Channel, Big Island Leeward Waters, Big Island Southeast Waters, Big Island Windward Waters, Chuuk Coastal Waters, Kaiwi Channel, Kauai Channel, Kauai Leeward Waters, Kauai Northwest Waters, Kauai Windward Waters, Kosrae Coastal Waters, Maalaea Bay, Majuro Coastal Waters, Maui County Leeward Waters, Maui County Windward Waters, Oahu Leeward Waters, Oahu Windward Waters, Pailolo Channel, Pohnpei Coastal Waters and Waters out to 40 Nautical Miles.

How and where it feeds

Water temperature
Feeds from 70°F to 88°F, best between 74°F and 82°F.
Water depth
3 to 200 ft of water.
Structure
Point, ledge, reef, channel, jetty, beach and estuary, in that order of preference.
Tide and current
Prefers incoming tide and high tide, with moderate current.Shore anglers generally favor rising and high tides that push water and bait over ledges and reef flats. This rests on traditional practice and angler reports, not published studies.
Light
Bites best around dawn and dusk; feeds at night too.
Pressure
Little response to pressure changes.
Wind and sea limits
20 kt of wind and 5 ft of sea. The Waterlands engine scores hours down as conditions pass them.

Tackle and technique

Ulua hunt reef edges, rocky points, harbor mouths and sand channels from the shoreline out to deep ledges. Shore anglers slide an eel, tako or crab down a heavy anchored line and fish through the night, while casters throw poppers and plugs over reef edges at dawn and dusk. The first run heads for the rocks, so use heavy line and a tight drag.

Methods
slide-bait fishing, whipping (casting plugs), shore casting, trolling, jigging
Lures
poppers, stickbaits, swimming plugs, metal jigs
Bait
eel (puhi), octopus (tako), crab, live reef fish, squid

Regulations

Hawaii Department of Land and Natural Resources, Division of Aquatic Resources. Sync unavailable, last verified Sep 13, 2026.

No reviewed giant trevally rule for Hawaii is on file yet. Check with DLNR DAR before you keep one.

Other Hawaii species