Pycnogonida | Pantopoda
Child, C.A. 1995. (Ref. 2153)
Size / Weight / Age
Demersal; depth range 20 - 923 m (Ref. 2153)
Climate / Range
Northwest Pacific: Alaska, Japan and Bering Sea.
Posterior ridges of each trunk segment without pointed tubercles. Proboscis major swelling is proximal to midpoint. Tarsus nearly equal to propodal length and spinules of sole are not conspicuous. Oviger terminal claw robust, longer than width of terminal segment, which lacks large spine in opposition to claw (Ref. 2153, p. 29).
Shelf to slope (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