(كوسه ها و سپرماهيان) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Irolita: From Irolita, a princess in love with prince Parcinus. The beauty of the princess was worthly the world´s admiration. Mythology.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي نزديك كف زي; تغييرات عمق 50 - 200 m (Ref. 6871). Temperate; 29°S - 36°S, 113°E - 136°E (Ref. 114953)
Eastern Indian Ocean: south-western Australia.
Length at first maturity / Size / Weight / سن
Maturity: Lm ?, range 46 - ? cm
Max length : 52.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 6871)
Occur over soft bottoms of the continental shelf (Ref. 7300, 75154). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 5.1-7.6 cm long and 3.2-3.8 cm wide (Ref. 41308). Males reaches maturity at ca. 46 cm TL. Occassionally caught as bycatch and typically discarded (Ref. 114953).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
وضعيت در فهرست قرمز IUCN (Ref. 126983)
خطر برای انسان ها
Harmless
استفاده انسانی
اطلاعات بيشتر
Age/Size
رشد
طول - وزن
طول - طول
نوسانات طولی
ريخت ستجي بوسيله انداره گيري
ريخت شناسي
توزاد ( لارو)
پويايي لاروي
بازسازی
فراواني
BRUVS
مراجعآبزي پرورينمايه آبزي پرورينژادهاژنتيكتواتر آلل هاوارثبيماري هافرآوریNutrientsMass conversion
همكارانعکس هاStamps, Coins Misc.صداهاسيگواتراسرعتنوع شناگریمنطقه آبششيOtolithsمغزهابینایی
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