Ammothea adunca   Child, 1994


Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Ammothea adunca  AquaMaps  Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Pycnogonida | Pantopoda | Ammotheidae

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

Benthic; depth range 175 - 800 m (Ref. 9).  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Antarctic Indian Ocean and Southwest Pacific: Kerguelen, Heard Island and New Zealand.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 16.3 cm LS male/unsexed; (Ref. 9)

Short description Morphology

Size large with a leg span of 163 mm. Integument covered with short scattered spines. Trunk robust, chunky, with large closely spaced lateral processes. Trunk segment cowls narrow, with dorsal extensions of rims not produced into pointed tubercles. Proboscis longer than trunk, swollen proximally, a down curved narrow cylinder distally. Chelifores enlarged, massive, scapes short, with fully developed chelae. Palps 9 segmented, reduced in size, almost miniature, shorter than proboscis, distal 5 segments without ventral tubercles. Oviger segments mostly curved, clothed tiny setules, strigilis segments recurved, armed with simple setae. Legs short, with few setae, simple setae. Propodus of uniform size, long, curved, without differentiated heel spines but few robust larger sole spines among many smaller sole setae. Claw short, auxiliary claws half main claw length.

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: Version 2024-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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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

Preferred temperature (Ref. 115969): 1.3 - 10, mean 6.5 (based on 71 cells).
Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.

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