Pycnogonida | Pantopoda
Child, C.A. 1996. (Ref. 2117)
Size / Weight / Age
Demersal; depth range 155 - 2743 m (Ref. 2157)
Climate / Range
Pacific Ocean: USA and Alaska.
Have two Laterodistal projections of ocular tubercle; relatively short proboscis 0.6 as long as anterior trunk segment. Abdomen short and legs bear randomly placed spines modest and not larger than sole spines. Oviger moderately setose, and male cement gland tube equal in length to femoral diameter (Ref. 2157, p. 5).
Slope 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