• About us
• Background
  • Julian Rocks - history
  • introduction to ID
  • Using Scientific names
  • Word Origins
  • Glossary
  • Taxonomic Site Map
• Behaviours
  • Cleaning
  • Colour Change
  • Hitchhikers & Parasites
  • Regrowth
  • Reproduction
  • Social
• Species ID
  • Fishes
    • 1 - Eels, Catfish, Clingfish, ghostpipefish
    • 2 - Flatheads, Lionfish, Stonefish, Anglerfish
    • 3 - Cod, Cardinalfish, Blue Devil, Blanquillo
    • 4 - Trevally, Sweetlips, Snapper, Fusiliers, Bream
    • 5 - Batfish, Jewfish, Old Wives, Kelpfish
    • 6 - Goatfish, Bullseyes, Stripeys
    • 7 - Butterflyfish, Moorish Idol, Morwongs
    • 8 - Angelfish, hawkfish
    • 9 - Damselfish
    • 10 - Wrasse
    • 11 - Blennies, Gobies, Dart Gobies
    • 12 - surgeonfish, rabbitfish, sole
    • 13 - Triggerfish, Leatherjackets
    • 14 - Boxfish, Pufferfish, Porcupinefish
    • ------------
    • blue fish
    • yellow fish
    • orange, red and pink fish
    • brown fish
    • black, white & grey fish
    • silver fish
    • fish with spots
    • fish with stripes
    • elongate fish
  • Sharks & Rays
  • Turtles
  • Starfish & Urchins
  • Nudibranchs
    • Species list and intro
    • Yellow
    • Orange/Brown
    • Red/Pink
    • Purple/Blue/Green
    • White
    • Black
  • Flatworms
  • Octopus & Cuttlefish
  • Crabs, Shrimps & Spiders
  • Jellies
  • Corals, Anemones etc
  • Shells
  • On the Beach
• Recent Additions
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Jellies

click on the pictures for more details

These three bright blue animals are not jellyfish. They are colonial organisms known as hydroids. They all float on the sea surface driven by winds and tides.
			<<< True jellyfish	Comb Jellies >>>