Common names from other countries
Classification / Names / Names
俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS
Environment: milieu / climate zone / depth range / distribution range
生態學
; 深度上下限 42 - 1405 m (Ref. 7414).
Antarctic: South Shetland, South Georgia and Antarctica.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm Max length : 16.0 cm H 雄魚/尚未辨別雌雄; (Ref. 7414)
Stems erect, polysiphonic, up to 16 cm high, usually deprived of branches basally. Branching scarce, irregularly pinnate, usually simple and in various planes. Stem and branches sometimes with a few perisarc constrictions. Branches strongly narrowed basally. Perisarc frequently striated. Hydrothecae present over entire length of colony, though only visible in monosiphonic parts. Hydrothecae arranged in decussate verticils of three to six hydrothecae,
forming 6 to 12 longitudinal rows, cylindrical in lateral view, immersed into the branches for ca two-thirds of their volume and adcaudally almost fully adnate. In frontal view hydrotheca cylindrical at upper half, but distinctly widening basally; frequently constricted at about
half its length. Hydrothecal aperture circular and tilted downwards, forming an acute angle with long axis of branches. Rim even, usually with a shallow renovation. Hydrothecae lacking mushroom-shaped diaphragm. Female gonothecae present, originating at hydrothecal base. Gonotheca oval, slightly constricted apically to form a short neck. Gonothecal aperture
laterally depressed as the uneven rim is provided with two lobes, an adcauline and
a much larger abcauline lobe. Gonothecal wall provided with a series of striae.
Length based on stems height. Eurybathic species having found at depths 42 to 1405 m on bottoms of mud, stones and stones with mud (Ref. 7414).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Fertile colonies are collected in January and December to February,
主要參考資料
參考文獻 | 合作者 | 合作者
Peña Cantero, A.L. and W. Vervoort. 2003. (Ref. 7414)
IUCN 瀕危狀態 (Ref. 130435)
CITES狀態 (Ref. 108899)
Not Evaluated
Not Evaluated
對人類具威脅
人類使用
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更多資訊
年龄/大小成長長度-重量長度-長度型態特徵仔魚豐度
網路資源
Estimates based on models
Preferred temperature
(Ref.
115969): -1.9 - 1.6, mean -0.3 (based on 1095 cells).
瀕危性
Low vulnerability (10 of 100).
