Pycnogonida | Pantopoda
Child, C.A. 1996. (Ref. 2117)
Size / Weight / Age
Max length : 0.2 cm TRKL male/unsexed; (Ref. 2153)
Climate / Range
Pacific and Arctic Oceans: Alaska, Japan and USA.
Tiny species, trunk only about 2 mm long, circular in dorsal aspect, lateral processes contiguous with cephalic segment extending slightly beyond circle, ocular tubercle a low cone. Proboscis long, tapering to rounded mouth. Chelifore scapes short, chelae atrophied. Palps very short, 7-segmented. Legs short, robust, with heavily setose integument, femora inflated, larger in females than males. Male second coxae with ventrodistal sexual spur and femora with dorsodistal tubercle. Ovigers and terminal leg segments typical for genus (Ref. 2153, p. 14).
Shelf (Ref. 19). 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
Low vulnerability (10 of 100)