Symplectoscyphus weddelli

Symplectoscyphus weddelli   Peña Cantero, Svoboda & Vervoort, 2002

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Classification / Names आम नाम | उपशब्द | CoL | ITIS | WoRMS

Hydrozoa | Leptothecata | Sertulariidae

Environment: milieu / climate zone / गहराई सीमा / distribution range पारिस्थितिकी

; गहराई सीमा 119 - 390 m (संदर्भ 7416).  Polar

Distribution देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | भूमिका

Antarctic Atlantic: Antarctica.

Length at first maturity / आकार / Weight / Age

परिपक्व अवधि: Lm ?  range ? - ? cm Max length : 2.5 cm H पुल्लिंग / अलिंग; (संदर्भ 7416)

Short description आकृति विज्ञान

Colonies with monosiphonic stems up to 2.5 cm high, arising from stolonal hydrorhiza. Branching irregular and in several planes. Branches originating laterally at hydrothecal base; plane formed by hydrothecae of lower-order branch perpendicular to that formed by hydrothecae of previous branch. Occasionally branches becoming anastomosing stolons distally. Stems divided into more or less straight internodes with oblique nodes sloping in alternate directions; one hydrotheca per internode. Hydrothecae abcaudally directed, with indistinct inflexion point where the adcauline wall becomes free. Adcauline hydrothecal wall adnate to internode for approximately half its length, though usually adnate part slightly longer than free portion. Free part of adcauline hydrothecal wall straight or slightly convex. Abcauline hydrothecal wall slightly concave. Cusps of hydrothecal aperture sharp and separated by deep embayments. Rim of hydrothecal aperture with frequent renovations. Gonothecae ovoid, inserting at hydrothecal base. Gonothecal walls spirally folded, forming a frill with eight or nine turns. Gonotheca distally with a long, funnel-shaped neck bearing the gonothecal aperture.

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Known at depths of 119 to 390 m on muddy and rocky bottoms. Growing on uncalcified Bryozoa, polychaete tubes and Hydrozoa. It is used as substratum by other hydroids (Ref. 7416).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | Eggs | Fecundity | Larvae

Fertile colonies were collected in January and February.

Main reference संदर्भ | संयोजक | सहयोगीयो

Peña Cantero, A.L., A. Svoboda and W. Vervoort 2002 Species of Stymplectoscyphus Marktanner-Turneretscher, 1980 (Cnidaria; Hydrozoa: Sertulariidae) from recent Antarctic expeditions with R.V. Polarsten, with the description of four new species. Journal of Natural History 36:1509-1568. (संदर्भ 7416)

IUCN Red List Status (संदर्भ 130435: Version 2025-1)

  Not Evaluated 

CITES status (संदर्भ 108899)

Not Evaluated

CMS (संदर्भ 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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साधन

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अधिक जानकारी

Trophic Ecology
Food items (preys)
संघटक आहार
आहार खपत
परभक्षी
पारिस्थितिकी
पारिस्थितिकी
Population dynamics
बाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
बहुतायत
Life cycle
पुनरुत्पत्ति
परिपक्व अवधि
Fecundity
मछलीऔ का अंडे देना
Eggs
Egg development
Larvae
Distribution
देश
ऐफ ऐ ओ क्षेत्र
Ecosystems
संयोग
भूमिका
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Outreach
सहयोगीयो
Taxonomy
आम नाम
उपशब्द
आकृति विज्ञान
तस्वीरे
संदर्भ
संदर्भ

इंटरनेट स्रोत

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, खोज) | Zoological Record

Estimates based on models

Fishing Vulnerability (संदर्भ 71543): Low vulnerability (10 of 100).

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