Cnidaria

Scandia mutabilis

Size

Colony height: reaching 2 cm (0.75")

Recognition Characters

Plume shaped, small branching hydroid. Polyps regularly spaced along pedicels. Pedicels are short but varying somewhat in length. Pedicels are strongly annulated having a spiral arrangement. Hydrothecae large, with a flaring rim.

Color

White to brownish white

Habitat & Depth

Attach directly to sargassum and rocky reefs and outcroppings.

Distribution at GRNMS

Common. Found attached to other organisms or rocks.

Geographic Range

North Carolina south to Florida. Western Gulf of Mexico. Bermuda.

Behavior & Notes

Synonyms

References

Calder 1983