Syreny (Sirens) (1845) by Teofil Kwiatkowski (Polish, 1809 – 1891), oil on canvas, 60 cm x 82 cm, Princes Czartoryski Museum, Krakow

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Syreny (Sirens) (1845) by Teofil Kwiatkowski (Polish, 1809 – 1891), oil on canvas, 60 cm x 82 cm, Princes Czartoryski Museum, Krakow
Stanisław Hiszpański (1904-1975), 'Sirens', 1963
Aleksandra Waliszewska “Two-Headed" plate from the series: "The Beguiling Siren with Thy Coat of Arms” 2017. For the other mermaid designs, see The Museum of Modern Art in Warsaw.
I know this isn’t exactly a two tailed siren, but I really like the symmetry in this. Also, her other artworks are fascinating and worth checking out.
I found another two-headed two tailed siren.
The Lure (2015)
"The Lure", or originally "Córki Dancingu", is a Polish horror-musical from 2015 directed by Agnieszka Smoczyńska, who graduated from the Kieślowski Film School in Katowice. Smoczyńska was inspired by the work of Hans Christian Andersen, but her version of the story takes place in communist Poland in the 1980s. The main characters are two mermaids, Golden and Silver, who start working in a nightclub as strippers and backup singers. The public is obsessed with them so eventually the girls become the main stars.
Mateusz Szczypiński, Mermaids, 2019
www.mateuszszczypinski.com
Wilhelm Kotarbiński, Syreny (en: Mermaids)
Statki, które mijają się nocą, w przelocie do siebie coś mówią. Daleki znak, syreny zew, co znów w ciemnościach się gubią. Tak i my w życiu oceanie mówimy, a ktoś nas słyszy, Spojrzenie tylko, tylko głos, tylko znak – potem znów ciemność i cisza.
Zofia Chądzyńska