Sea Fishes of the Mediterranean by Lawson Wood

Author:Lawson Wood
Language: eng
Format: epub
ISBN: 9781472921765
Publisher: Bloomsbury Publishing
Published: 2015-03-18T04:00:00+00:00

This species is very distinctive in colour, ranging from brilliant orange to purple. It is only 2cm (¾in) in diameter and slightly horseshoe-shaped. The protective cap or operculum of its calcified tube home is clearly visible. Enjoying rocky walls and low light in well-aerated water, this tube worm is light- and pressure-sensitive and can quickly retract its feeding fan should danger approach. Often mistaken for Protula tubularia (see here).

SPIRAL TUBE WORM

Spirographis spallanzani

This is the largest of the tube worms and grows out on long thin parchment tubes perhaps 30cm (12in) long. It enjoys a mixed habitat of cave and cavern, rock wall or Posidonia beds. Spirograph shaped, the fan may consist of eight or ten whorls, which are varicoloured. They are light- and pressure-sensitive and often withdraw back into their tubes before you can get near them. The fan may be as much as 15cm (6in) in diameter.

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