Ampharete petersenae   Zhirkov, 1997


Native range | All suitable habitat | Point map | Year 2050
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Ampharete petersenae  AquaMaps  Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Polychaeta | Terebellida | Ampharetidae

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

Benthic; depth range 26 - 1957 m (Ref. 96345).  Polar

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

North Atlantic: Greenland and Iceland.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Short description Morphology

Body short; longest complete specimen about 11 mm long and 0.5 mm wide. Body tapering towards posterior end. No eyespots observed. Long buccal tentacles, with long papillae. Four pairs of long branchiae, with dense tufts of cilia, arranged in two groups very close to each other. No paleae. Fourteen thoracic chaetigers; first two chaetigers with slightly less developed notopodia and bristles; posterior twelve thoracic chaetigers also with neuropodia and uncini. Sixteen abdominal segments with uncinigerous neuropodia, first two abdominal uncinigerous tori of thoracic-type lacking dorsal cirri and posterior 14 abdominal neuropodia of different shape and with dorsal cirri. Rudimentary notopodia absent. Abdominal uncini similar to thoracic ones, with 2 vertical rows of 3 teeth above rostrum. Pygidium with two lateral cirri and about 10 capitate papillae. Colour in alcohol pale yellow.

Biology     Glossary (e.g. epibenthic)

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

Members of the class Polychaeta are mostly gonochoric (sexual). Mating: Females produce a pheromone attracting and signalling the males to shed sperm which in turn stimulates females to shed eggs, this behavior is known as swarming. Gametes are spawned through the metanephridia or body wall rupturing (termed as "epitoky", wherein a pelagic, reproductive individual, "epitoke", is formed from a benthic, nonreproductive individual, "atoke"). After fertilization, most eggs become planktonic; although some are retained in the worm tubes or burrowed in jelly masses attached to the tubes (egg brooders). Life Cycle: Eggs develop into trocophore larva, which later metamorph into juvenile stage (body lengthened), and later develop into adults.

Main reference References | Coordinator | Collaborators

Parapar, J., G.V. Helgason, I. Jirkov and J. Moreira. 2012. (Ref. 96435)

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): 0.5 - 8, mean 3.6 (based on 365 cells).

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