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Angalarri Grunter


Angalarri Grunter

One of Australia's rarest freshwater fish, the Angalarri Grunter exists only in a handful of clear, rocky streams in the Northern Territory's Victoria River drainage. Its entire known range spans just two river systems — the East Baines and Angalarri rivers.

This is not an angling target; it's a conservation priority, included here so anglers who encounter it know what they're looking at and why it matters.

Scientific Name: Scortum neili

Also known as Neil's grunter


Physical Characteristics:
  • Oval, laterally compressed body with a steeply curved dorsal profile — noticeably more arched along the back than the belly, giving it a deep, disc-like silhouette.
  • One or two black blotches scattered randomly on the flanks, plus faint pale vertical bars that can be hard to see in the field.
  • A distinctive silvery stripe runs just below each eye — a useful ID mark that separates it from related grunters.
  • Small to modest in size, ranging from a few grams up to about 5.5 kg at the upper extreme.

What to know

Habitat Distribution

  • Endemic to the Northern Territory, Australia — known only from the East Baines River and Angalarri River within the Victoria River drainage. No introduced populations exist.
  • A clear-water specialist: shady, slow-moving streams over mixed sand, silt, and rock, connected by shallow rocky runs that open into deeper gorge pools.
  • Water temperature preference runs 21–28°C (70–82°F) — warm tropical freshwater, but clean and well-oxygenated.

Specific Spots

  • Deep rocky pools in gorge sections hold the largest fish; submerged ledges, large boulders, and tree root tangles along pool edges provide the shaded cover this species gravitates toward.
  • Shallow, rocky inter-pool runs act as movement corridors rather than holding water — fish pass through but don't linger where depth and cover are absent.

See it in the app

Most maps show you water.
onWater shows you Angalarri Grunter.

  1. 01 · Species map filter

    Map every Angalarri Grunter water

    Pick Angalarri Grunter and the map zeroes in on the waters they call home. No more guessing which lake holds them.

  2. 02 · Waterbody species

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  3. 03 · Angler Intelligence

    Ask how to catch Angalarri Grunter

    Tactics, gear and timing from onWater's AI fishing guide, tuned to the species and the water you're on.

Stop guessing where Angalarri Grunter are.

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