Hydrozoa |
Leptothecata |
Sertulariidae
Environment: milieu / climate zone / пределы глубины / distribution range
экология
демерсальный; пределы глубины 15 - 640 m (ссылка 7414). Polar
Antarctic-Patagonian.
Length at first maturity / Size / Weight / Возраст
половая зрелость: Lm ?  range ? - ? cm Max length : 9.0 cm COLD самец/пол неопределен; (ссылка 7414)
Monosiphonic colonies composed of a mass of branches and stems, irregularly branched in several planes and with anastomoses, up to 90mm in diameter, with the appearance of closely knitted net. Hydrothecae arranged in decussate pairs forming four longitudinal rows of hydrothecae. Hydrothecae immersed into the branches for approximately one-quarter of their volume and strongly curving outwards. Adcauline hydrothecal wall with a considerable free portion, adnate to internode for ca half or slightly more of its length. Free part of adcauline wall straight or slightly convex; abcauline wall concave. Hydrothecal aperture circular and tilted downwards; rim even and usually with numerous renovations. Female and male gonothecae present, both inserting individually at hydrothecal base. Female gonotheca urn-shaped; basal part ovoid, widening distally, apex contracted into a short neck bearing the aperture. Male gonotheca fusiform, with a distal, cone-shaped neck provided with a small, circular aperture.
Gonothecae with a few striae at base of neck.
Species had been found at depths 15 to 640 m on stony bottoms (Ref. 7414).
Life cycle and mating behavior
половая зрелость | размножение | нерест | Eggs | Fecundity | Larvae
Fertile colonies are found in February.
Основная ссылка
ссылки | координатор | соавторы
Peña Cantero, A.L. and W. Vervoort 2003 Species of Staurotheca Allman, 1888 (Cnidaria; Hydrozoa: Sertulariidae) from US Antarctic expeditions, with the description of three new species. Journal of Natural History 37:2653-2722. (ссылка 7414)
Статус Красного Списка МСОП
(ссылка 130435: Version 2025-1)
Статус СИТЕС (ссылка 108899)
Not Evaluated
CMS (ссылка 116361)
Not Evaluated
Угроза для людей
Harmless
Использование человеком
| FishSource |
инструменты
дополнительная информация
Trophic EcologyFood items (preys)
состав пищи
потребление пищи
хищники
Population dynamicsрост
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversion
численность
Life cycleразмножениеполовая зрелостьFecundityнерестEggsРазвитие икрыLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
ресурсы в Интернет
Estimates based on models
Preferred temperature
(Ref.
115969): 0.3 - 7.6, mean 5.4 (based on 227 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).