Rearing of Black Molly Poecilia hybrids (Valenciennes, 1846) in water of different salinity

• Autorzy: Pol P. , Kujawa R.

Warianty tytułu

PL

Podchów molinezji czarnej "Black Molly" Poecilia hybrids (Valenciennes, 1846) w wodzie o różnym zasoleniu

• Języki publikacji: EN

Abstrakty

EN

This study analysed the rearing of Black Molly Poecilia hybrids. It is a crossbreed of sailfin molly Poecilia latipinna and short-finned molly Poecilia sphenops. Black mollies are very popular aquarium fish which are frequently put into marine aquaria to speed up the maturation of such aquaria. Without being acclimatised to high salinity, the fish are put into water with a salinity of SG 1.025 or 33 ‰. The results indicate that fish which are shorter than 20 mm die in water whose salinity is higher than SG 1.020. However, fish longer than 25 mm can adapt to higher salinity. The results indicate that fish which have been reared in water of higher salinity grow faster.

PL

Przeprowadzono badania nad podchowem molinezji czarnej “Black Molly” Poecilia hybrids. Jest ona krzyżówką molinezji szerokopłetwej Poecilia latipinna oraz molinezji ostroustej Poecilia sphenops. Molinezja “Black molly” jest bardzo popularną rybą akwariową, którą często umieszcza się w akwariach morskich, aby przyspieszyć proces dojrzewania tych zbiorników. Molinezje czarne bez wcześniejszej aklimatyzacji do dużego zasolenia, od razu umieszczane są w akwariach o zasoleniu SG 1,025, czyli 33‰. Uzyskane wyniki wskazują, iż ryby o długości poniżej 20 mm sną w wodzie o zasoleniu wyższym niż SG 1,020. Osobniki o długości powyżej 25 mm są natomiast w stanie przystosować się do wyższego zasolenia. Uzyskane wyniki wskazują, że ryby podchowywane w wodzie o wyższym zasoleniu szybciej przyrastają.

Słowa kluczowe

EN

rearing; fish; Black Molly; sailfin molly; Poecilia latipinna; short-finned molly; Poecilia sphenops; hybrid; water; salinity level

• Wydawca: -
• Czasopismo: Polish Journal of Natural Sciences
• Rocznik: 2011
• Tom: 26
• Numer: 4
• Opis fizyczny: p.333-344,fig.,ref.

Twórcy

autor

Pol P.

• National Research Institute of Animal Production in Balice, Balice n.Krakow, Poland

autor

Kujawa R.

• University of Warmia and Mazury in Olsztyn, Michala Oczapowskiego 5, 10-719 Olsztyn, Poland

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