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Diet of the twaite shad Alosa fallax (Lacépčde, 1803) (Clupeidae) in the Gulf of Gdansk, the Baltic Sea

100%

Skóra M. E. , Sapota M. R. , Skóra K. E. , Pawelec A.

Oceanological and Hydrobiological Studies

2012

tom Vol. 41, No. 3

24-32

Twaite shad Alosa fallax (12 – 48 cm total length) from the Gulf of Gdansk feed on Mysids: Mysis mixta, Neomysis integer, and fish: Sprattus sprattus, Osmerus eperlanus, and Pomatoschistus sp.. In the stomachs of A. fallax there also occur Hydrobia sp., Diptera and small stones, particles of wood and plastic. The food of inshore twaite shad measured from 12 to 21 cm centered on M. mixta. Fish are the main prey for A. fallax from the class length 22 – 31 cm from the Vistula River mouth and for all shads longer than 32 cm.

Parposz, Alosa fallax [Lacepede, 1803] ponownie w wodach poludniowego Baltyku

75%

Draganik B. , Wyszynski M. , Kapusta A.

Komunikaty Rybackie

2006

nr 5

14-17

Powrot parposza Alosa fallax [Lacepede 1800]

75%

Wilkonska H. , Garbacik-Wesolowska A.

Komunikaty Rybackie

1996

nr 6

The revival of the twaite shad [Alosa fallax, Lacepede 1803] population in the Curonian Lagoon

75%

Maksimov J.

2004

nr 1

Diet of the twaite shad Alosa fallax (Lacepede, 1803) (Clupeidae) in the Gulf of Gdansk, the Baltic Sea

63%

Skora M. E. , Sapota M. R. , Skora K. E. , Pawelec A.

Oceanological and Hydrobiological Studies

2012

tom 41

nr 3

Recent data of the biology of the twaite shad, Alosa fallax returning for spawning to the Szczecin Lagoon (southern Baltic Sea)

63%

Więcaszek B. , Czerniejewski P. , Dąbrowski J. , Korzelecka A. , Formicki K. , Tański A.

Journal of Water and Land Development

2024

tom no. 62

97--105

In 2022-2023 specimens of A. fallax are recorded for the first time in approximately 17 years in Szczecin Lagoon. We collected 11 specimens of juveniles, 9 premature and mature females, and 9 premature and mature males (20.3-40.7 cm of total length, aged from 1+ to 4+). The 2+ aged fish was slightly dominated (34.5% of the whole sample). Females in the Szczecin Lagoon were ready to spawn in the age of 3+ and 4+ years, while males partly in 2+, and in the age of 3+ and 4+. Fulton’s condition factor of this fish was 0.93±0.14 and Clark’s 0.78±0.14. Analysis of correlations between the total length and individual weight of fish revealed that the growth of A. fallax was allometric (b < 3.0). The range of gonadosomatic index (GSI) was 0.12-26.59%, while the mean of the absolute and relative fecundity was 58,756 eggs per female and 139,650 eggs per kilogram of body weight. The obtained results indicate the occurrence of an anadromous population of Alosa fallax in the studied water areas. However, there is still a need to obtain detailed information on the population status and the biology of A. fallax in these areas in order to designate special conservation areas (SACs) for their protection, especially taking into account spawning habitats.

Parposz Alosa fallax (Lacepede, 1803)

51%

Heese T.

Przegląd Rybacki

2004

tom 29

nr 2[75]

Czy parposz wróci do naszych rzek?

38%

Wozniewski M.

Przegląd Rybacki

2000

tom 25

nr 4[53]