Pycnogonida |
Pantopoda |
Nymphonidae
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
Benthic; profondeur 1262 - 1262 m (Réf. 156). Deep-water
Southwest Pacific: New Zealand.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm Max length : 6.0 cm LS mâle / non sexé; (Réf. 156)
Description synthétique
Morphologie
Size moderate for genus, leg span about 60 mm. Trunk with bulbous segments completely segmented, armed with 2 - 3 long dorsomedian trunk setae and 1 long dorsodistal seta on all but anterior lateral processes which are short. Neck short, crowded with large oviger implants, low ocular tubercle with large eyes at junction of trunk and anterior of first lateral processes. Proboscis short, with median and distal swelling. Abdomen moderately long, carried horizontal, glabrous. Chelifores scapes longer than proboscis, armed with short and long dorsal setae. Chelae large, palm very short, fingers long, armed with ectal setae and 16 - 18 long pointed endal teeth. Palp segments short, fourth and fifth subequal, armed with many long setae. Ovigers with very long distally swollen and setose fifth segment. Terminal claw short, with 3 endal teeth. Legs moderately short, tibiae with many long setae. Tarsus slightly longer than short propodus, each with many sole and dorsal setae. Claw slightly more than half propodal length, auxiliaries lacking (Ref. 9).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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.
Child, C.A. 1998 The marine fauna of New Zealand: Pycnogonida (sea spiders). NIWA Biodiversity Memoire 109. National Institute of Water and Atmospheric Research (NIWA). Washington, D.C. 20530, USA. 71 p. + Figure 2A-G, 3A-F, 4, 5. (Réf. 9)
Statut dans la liste rouge de l'IUCN
(Réf. 130435: Version 2025-2 (Global))
statut CITES (Réf. 108899)
Not Evaluated
Not Evaluated
Menace pour l'homme
Utilisations par l'homme
FAO - Publication: search | FishSource |
Outils
Plus d'informations
Écologie trophiqueAliments (proies)
Composition du régime alimentaire
Consommation alimentaire
Prédateurs
Dynamique des populationsCroissance
Âges / tailles maximales
Longueur-poids rel.
Rel. longueur-longueur.
Fréquences de longueurs
Conversion de masse
Abondance
Cycle de vieReproductionMaturitéFéconditéFraiŒufsDéveloppement de l'œufLarves PhysiologieConsommation d'oxygène
Liées à l'hommeTimbres, pièces de monnaie, divers
Sources Internet
Estimations basées sur des modèles
Vulnérabilité de la pêche (Réf. 71543) |
Low vulnerability (10 of 100). |
Catégorie de prix (Réf. 80766): |
Unknown. |