|NIWA Guide to Polychaeta | Shore polychaetes | Pick shore group | Pick shore family | Shell polychaetes|
|Pherusa parmata|| Flabelligeridae (flabelligerid)
Terebellida (Annelida: Polychaeta)
|Pherusa parmata (Grube, 1878). Family Flabelligeridae|
[Click photo for picture page]
|Habitat:||Intertidal. Rocky shore. Bays and sheltered beaches. Burrow contains little or no sediment. Depth range: 0-65 (m). Salinity regime: Harbour-like variation. Microhabitat: Secondary inhabitant of any suitably-sized boring in sandstone, and in crevices Tube: No tube. Occupies borings|
|Occurrence:|| Consistently occurring, sometimes common. Density: 100 (m2).
Distribution in NZ: Appears to be more common in the northern North Island.
|Feeding guild:||Surface deposit/filter-feeding.|
|Diagnosis:||Genus Pherusa in Family Flabelligeridae.
Pherusa with a tough grey-brown outer surface (not obviously papillated), oblique hard cephalic plate encrusted with debris, and anterior cage of long anterior chaetae. Notochaetae crossbarred capillaries. Body neurochaetae 2-3 thick, dark, simple hooks. Colour: Maximum size: 40 mm total length, 5 mm body width.
|Notable aspect:||Cephalic plate, anterior cage of chaetae, neurochaetal hooks.|
|Comparisons:||Flabelligera affinis is the other intertidal flabelligerid. It is encased in mucus and lacks a shield-like head structure.|
|Taxonomy:||Pherusa parmata was first described from the Phillipines. It is possible the New Zealand species is a similar but distinct species, such as the Australian Pherusa horsti which Augener (1926) recorded as a subspecies for Stewart Island worms.|
|Distribution:||Phillipines, New Zealand|
|Biology:||Cryptic in crevices and borings in mudstone, etc. Morton and Miller report the species has luminescent patches.|
|Best References:||Biology: No recommendation. Taxonomy: Augener (1926) Papers from Dr. Th. Mortensen's Pacific Expedition 1914-16. 34. Polychaeta III. Polychaeten von Neuseeland. II. Sedentaria. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening, København 81:157-294.|
|Synonyms, NZ records||Original figures||Original description details|
|Genus diagnosis||More pictures||Further references (biology, etc)||Family Flabelligeridae|
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Data last edited 4/07/2004, and page last generated by G. Read, 27/07/2004 (dd/mm/yy)