Crustaceans (Crustacea)

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Crustaceans (Crustacea)

Freshwater Crayfish

Other Crustaceans

Featured sightings

Euastacus armatus (Murray River Crayfish) at Uriarra Village, ACT - 19 Apr 2025 by TCosta

Engaeus cymus (Blunt Nosed Burrowing Crayfish.) at Brindabella, ACT - 4 Apr 2025 by TCosta

Triops australiensis (Tadpole Shrimp, Shield Shrimp) at Lake Mackay, NT - 14 May 2024 by Darcy

Euastacus sp. (genus) (Spiny crayfish) at Kosciuszko National Park - 13 Apr 2023 by RangerRiley

Engaeus cymus (Blunt Nosed Burrowing Crayfish.) at Paddys River, ACT - 15 Jan 2024 by aussiestuff

Cherax destructor (Common Yabby) at Molonglo Valley, ACT - 4 Jun 2023 by SteveBorkowskis

Triops australiensis (Tadpole Shrimp, Shield Shrimp) at Cameron Corner, QLD - 5 May 2022 by AaronClausen

Euastacus crassus (Alpine Spiny Crayfish) at Paddys River, ACT - 17 Mar 2004 by MichaelMulvaney

Latest sightings

Cherax destructor (Common Yabby) at Dickson, ACT - 30 Aug 2025 by Lisa.Jok

Armadillidium vulgare (Slater bug, woodlouse, pill bug, roley poley) at Isaacs, ACT - 25 Aug 2025 by Mike

Porcellio scaber (Common slater) at Isaacs, ACT - 25 Aug 2025 by Mike

Triops australiensis (Tadpole Shrimp, Shield Shrimp) at Birdsville, QLD - 19 Aug 2025 by HelenCross

Isopoda (order) at Nambucca Heads, NSW - 18 Aug 2025 by trevorpreston

Isopoda (order) at Valla Beach, NSW - 17 Aug 2025 by trevorpreston

Amphipod (order Amphipoda, family Talitridae) at Valla Beach, NSW - 17 Aug 2025 by trevorpreston

Armadillidium vulgare (Slater bug, woodlouse, pill bug, roley poley) at Hackett, ACT - 16 Aug 2025 by Hejor1

Armadillidae (family) (Woodlice) by NathanaelC

Isopoda (order) at Yarralumla, ACT - 6 Aug 2025 by NateKingsford

Armadillidium vulgare (Slater bug, woodlouse, pill bug, roley poley) at Ainslie, ACT - 3 Aug 2025 by Hejor1

Armadillidium vulgare (Slater bug, woodlouse, pill bug, roley poley) at Belconnen, ACT - 2 Aug 2025 by Hejor1

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Discussion

MichaelBedingfield wrote:

12 May 2025

Yes, see Hydromys chrysogaster (Rakali or Water Rat)

Cherax destructor

dzungumurungu wrote:

2 May 2025

Cherax destructor

Linden wrote:

29 Apr 2025

Such great photos of such beautiful animals Jek - what an eye!

Euastacus armatus

MattBeitzel wrote:

29 Apr 2025

While confirmed id requires genetics or internal features, in this area only Euastacus crassus is known.

Euastacus crassus

Linden wrote:

24 Apr 2025

These are now listed under the EPBC Act as Vulnerable

Euastacus armatus

Significant sightings

Species Richness Score (SRS)

72

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