Spirula spirula   (Linnaeus, 1758)

Ram's horn squid

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ينک یراذگراب ار ريواصت 
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Image of Spirula spirula (Ram\
Spirula spirula

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

| Spirulida | Spirulidae

Environment: milieu / climate zone / depth range / distribution range يسانش موب

یز حطس; قمع تارييغت 100 - 1750 m (Ref. 1695).  Tropical; ? - 10°C (Ref. 1695); 69°N - 32°S, 89°W - 160°W

شنكارپ اهروشك | )OAF( يناهج راب و راوخ نامزاس قطانم | Ecosystems | روهظ | يفرعم

Circumglobal in tropical and subtropical oceanic waters. Tropical to polar.

Length at first maturity / Size / Weight / نس

Maturity: Lm ?, range 30 - ? cm Max length : 4.5 cm ML يسنج صاوخ نودب / رن سنج; (Ref. 1695)

يسانش تسيز     همان هژاو (لاثم ناونعب epibenthic)

Minimum depth from Ref. 106682. Rarely exceeds 4.5 cm ML (Ref. 1695). Migrates from 550 to 1000 meters during the day, and 100 to 300 meters at night (Ref. 106682). Young is captured at depths 1,000 to 1,750 m, which suggests that females lay eggs on bottom of continental slopes (Ref. 1695). Dead shells washed up on the beaches often in large numbers (Ref. 88739).

Life cycle and mating behavior غولب | لثم دیلوت | یزیر مخت | اه مخت | Fecundity | )ورال ( دازوت

Members of the class Cephalopoda are gonochoric. Male and female adults usually die shortly after spawning and brooding, respectively. Mating behavior: Males perform various displays to attract potential females for copulation. During copulation, male grasp the female and inserts the hectocotylus into the female's mantle cavity where fertilization usually occurs. Life cycle: Embryos hatch into planktonic stage and live for some time before they grow larger and take up a benthic existence as adults.

یلصا ذخآم عجارم | هدننك گنهامه | ناراكمه

Jereb, P. and C.F.E. Roper (eds.). 2005. (Ref. 1695)

NCUI زمرق تسرهف رد تيعضو (Ref. 130435)

  ینارگن لقادح (LC) ; Date assessed: 29 March 2009

ستياس رظن زا تيعضو (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

اه ناسنا یارب رطخ

یناسنا هدافتسا


| FishSource |

اهرازبا

E-book | ييارحص يامنهار

رتشيب تاعالطا

اهروشك
)OAF( يناهج راب و راوخ نامزاس قطانم
Ecosystems
روهظ
يفرعم
Stocks
يسانش موب
يياذغ تداع
يياذغ مالقا
ماع يماسا
فدارتم
نایچراکش
لثم دیلوت
غولب
یزیر مخت
Fecundity
اه مخت
مخت ومن
Age/Size
دشر
نزو - لوط
لوط - لوط
يسانش تخير
)ورال ( دازوت
يناوارف
عجارم
Mass conversion
ناراكمه
اه سکع

يتنرتنيا عبانم

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (مونژ, ديتوئلکون) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (ورب, وجتسج) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 4.7 - 11.6, mean 7.1 (based on 951 cells).
تميق هقبط (Ref. 80766): Unknown.