Пластиножаберные (акулы и скаты) (sharks and rays) >
Myliobatiformes (Stingrays) >
Rhinopteridae (Cownose rays)
Etymology: Rhinoptera: Greek, rhinos = nose + Greek,pteron = fin, wing (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
экология
морской донно-пелагический. Subtropical; 38°N - 15°N, 18°W - 36°E
Eastern Atlantic: southern Spain to Senegal, including the Mediterranean.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 200 cm WD самец/пол неопределен; (Ref. 6678)
Found in tropical to warm temperate coastal waters, but absent from islands of western Pacific. Often forming large groups swimming near the surface and quite destructive of commercial oyster and clam beds. Feeds on bottom-living mollusks, crustaceans and fishes. Seldom marketed. Ovoviviparous, gestation period up to one year with 2-6 embryos produced.
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).
McEachran, J.D. and B. Séret, 1990. Rhinopteridae. p. 71-72. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4441)
Статус Красного Списка МСОП (Ref. 126983)
Угроза для людей
Harmless
Использование человеком
рыболовство: коммерческий
дополнительная информация
ссылкиаквакультура (рыбоводство)особенности рыбоводствастепень растяжениягенетикачастоты аллелейнаследуемостьболезниобработкаNutrientsMass conversion
инструменты
Специальные отчеты
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ресурсы в Интернет
Estimates based on models
Preferred temperature (Ref.
123201): 17.1 - 21.7, mean 19.7 °C (based on 136 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00451 - 0.02792), b=2.98 (2.76 - 3.20), in cm total length, based on LWR estimates for this Subfamily-BS (Ref.
93245).
Trophic level (Ref.
69278): 3.8 ±0.60 se; based on food items.
устойчивость к внешним воздействиям (Ref.
120179): очень низкий, минимальное время удвоения популяции более 14 лет (Fec=2).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (85 of 100).
Nutrients (Ref.
124155): Calcium = 11 [2, 53] mg/100g ; Iron = 0.54 [0.13, 1.54] mg/100g ; Protein = 21.5 [16.4, 26.6] % ; Omega3 = 0.193 [0.054, 0.609] g/100g ; Selenium = 23.5 [7.3, 75.5] μg/100g ; VitaminA = 8.83 [2.81, 27.94] μg/100g ; Zinc = 0.539 [0.260, 0.995] mg/100g (wet weight);
