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Nymphon australe   Hodgson, 1902


Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Nymphon australe   AquaMaps   Data sources: GBIF OBIS
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Classification Common names | Synonyms | CoL | ITIS | WoRMS

Pycnogonida | Pantopoda | Nymphonidae

Main reference References | Biblio | Coordinator | Collaborators

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

Size / Weight / Age

Environment

Benthic; depth range 0 - 4136 m (Ref. 1680)

Climate / Range

Polar

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Southeast Pacific, Western Atlantic, and Antarctic.

Short description

Leg span: 2 - 3 cm, a tall ocular tubercle with prominent eyes, and closely crowded lateral processes which usually, along with the trunk, have long dorsal spines. Spines are also carried on the chelifore scape and in rows along the leg. It has a short neck, crowded with a bulbous oviger base on each side. The male ovigers have distally inflated fifth and sixth segments which are often collapsed. The tarsus, with strong distal spines, is usually as long as or longer than the propodus which has a short main claw and vestigial or missing auxiliary claws. A wide range of variations occur among the many specimens of this species. This is attested to by its several synonyms. This is the genotype of a group of 20 predominantly Antarctic species which belong to a discrete assemblage called the australe group (Ref. 156). It shares the diagnostic characters enumerated above with the others and forms one of the groups into which this cumbersome genus must be divided if any sense is to be made of trying to separate its multitude of species (Ref. 9).

Biology     Glossary (e.g. epibenthic)

Maximum depth from Ref. 87394. 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)

Not Evaluated

Threat to humans

Human uses


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More information

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Ecology
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Predators
Reproduction
Maturity
Spawning
Eggs
Egg development
Age/Size
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Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Price category (Ref. 80766)
Unknown