Aquatic invasive species

GOLDEN STAR TUNICATE

(Botryllus schlosseri)

Golden Star tunicate is an invasive colonial tunicate widely distributed throughout the world. It has been reported in eastern Canada and in the Gulf of St. Lawrence for several decades.

HABITAT

See the habitat of the tunicates

GOLDEN STAR TUNICATE - M. Desraspes
M. Desraspes

CHARACTERISTICS

Golden star tunicate- A. Epelbaum
A. Epelbaum
Golden star tunicate - M. Desraspes
M. Desraspes
  • Colour variable: orange, yellow, red,
    greenish grey, violet, dark grey or black;
  • Dense colonies of several microscopic individuals,
    called zooids;
  • Zooids that make up the colony are daisy shaped.

SIMILAR SPECIES

Sponge - DFO  R. Larocque
Sponge
DFO R. Laroque

Can be mistaken for sponges, but sponges have a soft porous texture rather than a gelatinous one.

See Violet tunicate

ECOLOGICAL AND ECONOMIC IMPACTS

See the impacts of the tunicates
Golden star tunicate - SABS  J. Martin
SABS J. Martin

WHAT YOU CAN DO