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The yellow stingray (Urobatis jamaicensis) is a species of stingray in the family Urotrygonidae, found in the tropical western Atlantic Ocean from North Carolina to Trinidad. This bottom-dwelling species inhabits sandy, muddy, or seagrass bottoms in shallow inshore waters, commonly near coral reefs. Reaching no more than 36 cm (14 in) across, the yellow stingray has a round pectoral fin disc and a short tail with a well-developed caudal fin. It has a highly variable but distinctive dorsal color pattern consisting of either light-on-dark or dark-on-light reticulations forming spots and blotches, and can rapidly change the tonality of this coloration to improve its camouflage. Relatively sedentary during the day, the yellow stingray feeds on small invertebrates and bony fishes. When hunting it may undulate its disc to uncover buried prey, or lift the front of its disc to form a "cave" attractive to shelter-seeking organisms. This species is aplacental viviparous, meaning that the developing embryos are sustained initially by yolk and later by histotroph ("uterine milk"). Females bear two litters of up to seven young per year in seagrass, following a gestation period of 5–6 months. Though innocuous towards humans, the yellow stingray can inflict a painful injury with its venomous tail spine. This species is taken as bycatch by commercial fisheries and collected for the aquarium trade; it may also be negatively affected by habitat degradation. Nevertheless, it remains common and widespread, which has led the International Union for Conservation of Nature (IUCN) to list it under Least Concern.


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Die gesamte Theorie, Tipps und Gerätetraining in unserem SRC Onlinekurs. Erhältlich ca. im Frühjahr 2021 auf https://segelnag.com Seefunktexte für die SRC- und LRC-Prüfungen zum Übersetzen und fürs Diktat. Eigennamen werden hierbei wiederholt und buchstabiert, Zahlen werden wiederholt und in einzelnen Ziffern durchgegeben. Englischer Text: Weather forecast for the area north of Portugal: rain or showers, at times southwest force 6 rapidly increasing to west force 8, veering to northwest force 5 later. Deutscher Text: Wettervorhersage für das Gebiet nördlich von Portugal: Regen oder Schauer, zeitweise Südwest 6, rasch zunehmend auf West 8, später rechtsdrehend auf Nordwest Stärke 5. Onlinekurse und Bücher zu FKN, SBF, SKS, SSS, SHS, Funk auf: https://segelnag.com Unsere beliebten Videos: Überblick Segelscheine: https://www.youtube.com/watch?v=g1ixPABqpdA Onlinekurs SBF See: https://www.youtube.com/watch?v=_Ao2z_TkADw Onlinekurs FKN: https://www.youtube.com/watch?v=8PcNoM6Uxg4 Onlinekurs SSS & SHS: https://www.youtube.com/watch?v=9-I7uTaZTy4 Unser Equipment (Affiliate Links): https://kit.co/segelnAG/gear-for-youtube Lernunterlagen für: SBF See & Binnen: https://kit.co/segelnAG/sbf-see-binnen-lernunterlagen SKS: https://kit.co/segelnAG/sks-lernunterlagen SSS: https://kit.co/segelnAG/sss-lernunterlagen SHS: https://kit.co/segelnAG/shs-lernunterlagen SRC: https://kit.co/segelnAG/src-lernunterlagen LRC: https://kit.co/segelnAG/lrc-lernunterlagen UBI: https://kit.co/segelnAG/ubi-lernunterlagen