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 Mitchell, ACT - 25 Sep 2025 by SteveBorkowskis

Porcellio scaber at Mount Dandenong, VIC - 21 Sep 2025 by Hejor1

Armadillidium vulgare (Slater bug, woodlouse, pill bug, roley poley) at Watson, ACT - 21 Sep 2025 by Lisa.Jok

Porcellio scaber at Fairfield, VIC - 20 Sep 2025 by Hejor1

Porcellionides pruinosus at Melbourne, VIC - 19 Sep 2025 by Hejor1

Porcellio scaber (Common slater) at Melbourne, VIC - 17 Sep 2025 by Hejor1

Armadillidium vulgare at Wodonga, VIC - 17 Sep 2025 by KylieWaldon

Armadillidae (family) at Canberra Airport, ACT - 16 Sep 2025 by Hejor1

Podocopida (Order) at Throsby, ACT - 6 Sep 2020 by mlech

Amphipod (order Amphipoda, family Talitridae) by MazzV

Armadillidium vulgare (Slater bug, woodlouse, pill bug, roley poley) at Amaroo, ACT - 7 Sep 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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