Pycnogonida | Pantopoda
Child, C.A. 1994. (Ref. 2157)
Size / Weight / Age
Demersal; depth range 1000 - 2030 m (Ref. 2157)
Climate / Range
Northern Pacific: USA and Japan.
Tapering or styliform proboscis . Ocular tubercle taller than its basal diameter and taller than tubercle of other species. Abdomen short; propodus short with few sole spines; heel spines little larger than sole spines. Male cement gland longer than half femoral diameter with tendency to point distally at low oblique angle (Ref. 2157, p. 5).
Bathyal to abyssal (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