Pycnogonida | Pantopoda
Flemish Government, the Province of the West-Flanders and Belgian National Science Foundation. 1999. (Ref. 255)
Size / Weight / Age
Climate / Range
Countries | FAO areas | Ecosystems | Occurrences | Introductions
To be filled.
Proboscis with a number of bifid setae scattered on the surface and sometimes groups of tactile or chemosensory spines particularly abundant around the mouth.
Feeds on detritus, at the base of colonies of hydroids such as Antennularia. Proboscis points towards the substratum at 45° angle to the longitudinal axis of the body; pushed into recesses in the hydroid and moved slightly from side to side to break up and loosen detritus; spines at the tip of the proboscis facilitate uptake. Some areas of debris are ingested in preference to others; may have sensory receptors at the proboscis tip (Ref. 255). Members of the class Pycnogonida are gonochoric and sexually dimorphic. During copulation, male usually suspends itself beneath the female. Fertilization occurs as the eggs leave the female's ovigers. Males brood the egg masses until they hatch. Life cycle: Eggs hatch into protonymphon larva then to adults (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models