Themiste blanda   (Selenka & de Man, 1883)


Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Themiste blanda  AquaMaps  Data sources: GBIF OBIS
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No drawings available for Themistidae.

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

Sipunculidea | Golfingiiformes | Themistidae

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

Benthic.  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Pacific Ocean: Japan, Sea of Okhotsk, the Sea of Japan, Gulf of California (Ref. 1815).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 2.5 cm TRKL male/unsexed; (Ref. 1840)

Short description Morphology

Large animals, from brownish-yellow to dark brown in color. Body 0.1 - 0.6 cm long, spindle shaped spindle shaped or cylindrical. Introvert somewhat longer than trunk. Surface of trunk smooth-seeming, as papillae covering it very small. Cephalon bearing dendritic crown of tentacles consisting of four main dichotomic branching trunks. Branches of tentacles pigmented with pinnules with violet grains. Smooth collar behind tentacles, with violet pigmentation. Zone of irregularly distributed large scalids behind cephalon. Longitudinal musculature of body wall not divided into longitudinal bands. Two retractors of introvert, both ventral, fastened to body wall in posterior third of body. Contractile vessel with long, filiform, spirally twisted branches braiding internal organs. Intestine long, number of intestinal loops 16-20. Three fixing muscles, located individually for every animal. Anal opening level with nephridiopores. Wing muscles well-developed. No rectal diverticulus found. Two nephridia fastened to body wall via mesenterial filaments along 1/4 of their length. Nephrida 80 percent as long as trunk (Ref. 1815).

Biology     Glossary (e.g. epibenthic)

Intertidal (Ref. 1815, 19 and 1840) to subtidal (Ref. 1815). Intertidal (Ref. 1815; 19 and 1840, page 149); subtidal species (Ref. 1815).

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

Main reference References | Coordinator | Collaborators

Morozov, T.B. and A.V. Adrianov. 2002. (Ref. 1815)

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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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.