Jellyfish, Hydroids (Medusozoa)

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Jellyfish, Hydroids (Medusozoa)

Featured sightings

Catostylus mosaicus (Blue Blubber) at Ku-Ring-Gai Chase, NSW - 27 Apr 2022 by KMcCue

Catostylus mosaicus (Blue Blubber) at Lake Illawarra, NSW - 17 Sep 2023 by lbradley

Carybdea rastoni (Box Jellyfish) at Mossy Point, NSW - 2 Jan 2022 by PeterA

Latest sightings

Unverified Jellyfish or Hydroid at Undefined - 18 Jul 2025 by Mike

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Discussion

KMcCue wrote:

30 Aug 2024

Nice one!

Catostylus mosaicus

Jennyncmg wrote:

23 Jun 2024

I agree it is Physalia but may be utriculus.

Physalia physalis

JimL wrote:

22 Jul 2023

Looking at this image again - might be two individuals. Doesn't change anything.

Catostylus mosaicus

Jennyncmg wrote:

5 Jul 2023

Carybdea rastoni stings but is not very paindul unless the sting is to sensitive areas. Its sting is not fatal.

Carybdea rastoni

Aussiegall wrote:

23 Feb 2023

Thanks Jenny

Scyphozoa (class)

Species Richness Score (SRS)

15

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