A small green seaweed. It has dark round, forked fronds (branches) with a fuzzy appearance and a velvety or sponged texture.

Size

Up to 30 cm long.

Field Guide

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  • Species Category: Marine
  • Species origin: Other
  • Conservation status: Common
  • What to Observe

    Search area for 30 minutes and record the following:

    • Abundant: found easily with little searching

    • Frequent: found with minimal searching

    • Rare: only 1 or 2 individuals found with intensive searching

    • Not found: not present during search

  • When and Where

    When To Look

    • Throughout the year
    • Fronds hang down from rocks during low tide

    Where To Look

    • South-eastern Australia
    • In the low intertidal zone, and subtidal on high-energy beaches
  • What Else?

    Similar Species

    There are several other similar Codium species but Codium fragile can usually be distinguished from these by having a dark green rather than light green appearance, and a tubular rather than flat cross section and furry appearance.

    A subspecies (Codium fragile tomentosoides) is highly invasive.

  • Trails: Bellarine Peninsula - Barwon Coast & Ocean Grove Nature Reserve VIC, Cape Conran VIC, Killalea State Park NSW, Ricketts Point VIC
  • Species Region: Australia