Colonies
10-12cm. Boulder shaped with smooth surface, sometimes with slight
bumps or hillocks. Corallites tiny, shallow and hexagonal. Polyps
tiny, body column short. Colours brown, beige, yellow, green, bluish.
Commonly seen on our shores. |
Colonies
10-12cm, boulder-shaped or encrusting. Polyps (0.5-1cm in diameter),
24 tentacles, short body column (0.5-1cm). Corallites circular or
hexagonal. Colours seen include purple, pink, greenish, yellow and
brown. Commonly seen on our Southern
shores. |
Colonies
10-20cm, irregular boulder-shaped. Corallites with tall, thin, shared
walls that form irregular, hexagonal cells. Colours brown, green,
blue and purple, usually in pastel shades. Commonly seen on our Southern shores. |
Colonies 10-15cm,
boulder-shaped. Corallites with shared walls that form hexagonal
cells. The walls have large 'teeth'. Colours blue, sometimes brown.
Seen on some of our shores.
|
Colonies
10-20cm, boulder-shaped. Corallites with thin, very tall, shared walls
that form large hexagonal cells. Polyps are large, fleshy with a ring
of many tentacles around a large oral disk. Colours brown, yellow,
blue and purple. Seen on some of our shores.
|
Colonies
10-20cm, sometimes large (30-40cm) boulder-shaped. Corallites with
shared walls that form small hexagonal cells. Colours brown, green,
blue and purple. Commonly seen on our Southern shores. |
Colonies
10-20cm, boulder-shaped with irregular lumps. Corallites with thick,
shared walls, forming irregular, sharp angled, usually hexagonal cells.
Colours blue and purple, also green, yellow and brown. Commonly seen
on our Southern shores. |
Colonies
10-20cm, sometimes large (30-40cm) boulder-shaped. Corallites with
shared walls that form tiny hexagonal cells. Colours beige, brown
and blue. Seen on our Southern shores. |
Colonies
20-30cm. Corallites with shared walls that form tiny hexagonal cells
with a smooth area between them. Colours beige, brown and blue. Seen on some of our Southern shores. |
Colonies
5-10cm, irregular boulder-shaped. Corallites with short, thin, shared
walls that form neat hexagonal cells. Polyp with short tentacles.
Colours seen include dark green, blue, maroon and brown. Commonly
seen on our Northern shores. |