Polyorchis haplus   Skogsberg, 1948

Upload your photos 
 Google image |

No photo available for this species.
No drawings available for Polyorchidae.

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

Hydrozoa | Anthoathecata | Polyorchidae

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

Pelagic.  Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Eastern Pacific: USA and Canada.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 2.0 cm H male/unsexed; (Ref. 2992)

Short description Morphology

Measures 20 mm in height, conical gastric peduncle protruding into the bell cavity from which long tubular gonads hang; 25 gonads on each radial canal; long stomach with 4 frilly lips; 4 radial canals either simple or branched, with rudimentary, closely-set, knob-like diverticula; ring canal with or without a knob-like diverticula; 30 tentacles, each with a deep red pigment around the ocellus at the base; tentacles and gonads yellow or grayish brown in color (Ref. 2376).

Biology     Glossary (e.g. epibenthic)

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

Species listed only in medusoid stage (Ref. 1663, p. 17). Polyp not known (Ref. 2376).

Main reference References | Coordinator | Collaborators

Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko. 2003. (Ref. 1663)

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

Human uses


| FishSource |

Tools

E-book | Field guide

More information

Trophic Ecology
Food items
Diet
Food consumption
Ration
Predators
Ecology
Ecology
Home ranges
Population dynamics
Growth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Human Related
Aquaculture profile
Stamps, Coins Misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Pictures
References
References

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.

Comments & Corrections
Back to Search
Random Species
Back to Top