Pycnogonida | Pantopoda
Child, C.A. 1992. (Ref. 2115)
Size / Weight / Age
Benthic; depth range 0 - 100 m (Ref. 2115)
Climate / Range
Western Atlantic and Eastern Pacific: Mexico, USA, Caribbean Sea and Gulf of Mexico.
Lateral processes with slender dorsodistal tubercles, laterodistal tubercles, or both. Abdomen with 4 or 6 long dorsal spines at median length. Chelifore scape first segment with single mediodistal spine. Ocular tubercle with cap of several short spines. Legs with several long spines per segment, longer ones bearing many lateral setules. Femoral cement gland originating in large ventral bulge from which stout tube projects laterally (Ref. 2115, p. 26).
Intertidal to shelf (Ref. 19); tide line to 100 m (Ref. 2115, p. 26). 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