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Pycnosomia asterophila

Pycnosomia asterophila   Stock, 1981

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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Pycnogonida | Pantopoda | Phoxichilidiidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic.  Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Pacific: Philippines and New Zealand.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 1.5 cm LS male/unsexed; (Ref. 9)

Short description Morphology

Moderately small, leg span about 15 mm. Trunk segmentation varies, processes separated by 0.3 - 0.7 of their width, little longer than their width, armed dorsally and distally with 4 - 8 short spines. Neck extending very little anterior to proboscis insertion, ocular tubercle low, at extreme anterior of neck, eyes well defined. Proboscis long, slender, about length of first two trunk segments, bottle-shaped, with long distal bottle neck, tapering at mouth. Abdomen moderately long, extending just beyond first coxae of fourth leg pair. Chelifores slender, short, only about half proboscis length, chelae tiny, with functional fingers. Palps lacking. Ovigers of 6 segments, Anoplodatylus-like, with few short setae. Legs of moderate length, with few short setae. Male femoral cement gland with row of minute pores along dorsal surface. Tarsus very short, propodus robust, with one conspicuous heel spine, few tiny sole spines, robust claw very curved distally, auxiliaries lacking. Female sex pore on prominent ventrodistal tubercle of all second coxae (Ref. 9).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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.

Main reference References | Coordinator | Collaborators

Child, C.A. 1998. (Ref. 9)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion
Collaborators
Pictures

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.