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Fish

Eastern blue groper

Mero azul del este (blue groper)

Achoerodus viridis

Saltwater

At a glance

Typical size

1½–2½ ft.

Depth

3–130 ft.

Best time

Daylight hours, especially early morning and late afternoon.

Found in

2 areas

1

Know it

Spot it, size it up and learn its habits.

Identification

A big, friendly wrasse (not a grouper) with thick lips, big peg-like teeth and large scales. Adult males are bright cobalt blue; females and young are brown-green to reddish. NSW's state fish.

Typical size

1½–2½ ft.

Maximum size

About 3 ft and around 40 lb.

Diet

Crabs, sea urchins, mussels, cunjevoi and other shellfish crushed with its strong teeth.

Behavior

Curious and slow-growing, it lives on the same rocky reef for years and often swims right up to divers. Starts life female; the biggest become blue males.

2

Find it

Where, when and how deep to look.

Where to find it

Found from South-East Australia & Tasmania and Queensland & the Great Barrier Reef. Rocky reefs, kelp beds and rock platforms from southern Queensland to eastern Victoria; famous at Sydney's Shelly Beach and Clovelly.

Habitat

Rocky reefs, kelp beds and rock platforms from southern Queensland to eastern Victoria; famous at Sydney's Shelly Beach and Clovelly.

Depth

3–130 ft.

Fishing depth

Not targeted.

Best season

All year, but closed to line fishing in NSW.

Best time

Daylight hours, especially early morning and late afternoon.

Best tides

Moving water: the hours around the tide change, when current pushes over the reef edges and bait gets swept along.

Best weather / conditions

Stable weather with clean water; a few days of steady conditions beat a front coming through.

3

Bait & gear

What to tie on and what to throw.

Best bait

Not to be targeted. Accidental hookups on crab or cunjevoi baits must be released.

Best artificial lures

Not targeted.

Tackle setup

Not targeted.

Hook size

Not targeted; if hooked by accident, cut the line close to the hook if you can't remove it easily.

Line

Not targeted.

Leader

Not targeted.

4

Catch it

Step by step, from first cast to landing.

Step-by-step: how to catch it

  1. Go where it lives: Rocky reefs, kelp beds and rock platforms from southern Queensland to eastern Victoria; famous at Sydney's Shelly Beach and Clovelly.
  2. Rig up: Not targeted. Not targeted.
  3. Pick your bait: Not to be targeted. Accidental hookups on crab or cunjevoi baits must be released. Lures: Not targeted.
  4. Fish it: Watch it while snorkeling — it's one of the friendliest fish in Australia. If one is hooked by accident, release it at once.
  5. Time it: Daylight hours, especially early morning and late afternoon. Moving water: the hours around the tide change, when current pushes over the reef edges and bait gets swept along.
Fishing techniques

Watch it while snorkeling — it's one of the friendliest fish in Australia. If one is hooked by accident, release it at once.

BigJoe's tip

Snorkel Cabbage Tree Bay (Shelly Beach, Manly) to swim with big blue gropers.

Catch and release

Catch and release: wet your hands, keep the fish in the water when you can, and release it quickly. Use circle hooks and a dehooker.

5

Clean & cook

Is it good to eat, and how to prepare it.

Edibility

Do not keep — protected.

Cooking suggestions

Protected — do not keep.

6

Stay safe & legal

Safety, rules and taking care of the fishery.

Safety warnings

Strong teeth and a powerful bite — don't hand-feed them.

Regulations

Recreational line fishing for eastern blue groper is banned in NSW (extended from March 2025 for three years), spearfishing and commercial take are banned, and it's protected in many marine parks. Release any fish caught by accident and check current rules. Each Australian state sets its own rules: NSW and Victoria require a recreational fishing licence in fresh and salt water, Western Australia needs a licence for boat fishing and freshwater angling, Tasmania for inland waters, and Queensland only for stocked impoundments; the Northern Territory needs none. Bag limits, size limits, closed seasons and marine park zones apply everywhere.

Conservation

Slow-growing and easy to catch, so a few anglers or spearfishers can wipe out a reef's gropers. Leave them be.

Where it's found

Tap an area to open its fishing map.

Sources & photo credits

Sources

  1. FishBase — Achoerodus viridis
  2. IUCN Red List — Achoerodus viridis
  3. International Game Fish Association (IGFA)
  4. FAO Fisheries and Aquaculture
  5. Photo credits