STUDYING ALOSA CASPIA CASPIA (CASPIAN SHAD) DIET IN SOUTHEASTERN CASPIAN SEA (MAZANDARAN AND GOLESTAN PROVINCES)

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ABBASI KEYVAN; SABKARA J.

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Journal: IRANIAN JOURNAL OF BIOLOGY Year:2004 | Volume:17 | Issue:3 Page(s): 272-290

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Title

STUDYING ALOSA CASPIA CASPIA (CASPIAN SHAD) DIET IN SOUTHEASTERN CASPIAN SEA (MAZANDARAN AND GOLESTAN PROVINCES)

Author(s)

ABBASI KEYVAN | SABKARA J. | Issue Writer Certificate

Keywords

CASPIAN SHADQ2

ALOSA CASPIA CASPIAQ4

DIETQ4

CASPIAN SEAQ2

MAZANDARANQ4

GOLESTANQ3

Abstract

CASPIAN SHAD is a commercial fish of Clupeidae in CASPIAN SEA and biological characteristics of the fish has not been studied before. In the study, 180 specimens of the fish were collected from Southeast coasts of the CASPIAN SEA quarterly from November 2001 until June 2003 and beach seine and gill nets were used to catch them. Main purpose for the study was determining food items and feeding changes in fish age, sex, station and le season after invasion of ctenophore (Mnemiopsis leidyi) in CASPIAN SEA. The fish had Fork length, weight and age, 103-232 (158.8±24.4) mm, 16-130 (52.2±20.6) g and 2-5 (2.64±0.7) years old respectively , If and Vacuity Index, Intestinal Relative Length and Index of Fullness of them were determined 12.8%,0.51 ±0.02 and 168.7±192.1 respectively. The study showed ALOSA CASPIA CASPIA feeds on numerous food items and phytoplanktons (Rhizosolenia and Spirogyra) comprised about 4.5%, Zooplanktons (Foraminifera, Copepoda, Cirripedia, Bivalvia larvae etc.) comprised 95.0% benthic animals (such as Gammaridae) and bony fishes (larvae and eggs) about 0.5% of food abundance in its digestive tract. This study showed these zooplanktons are increase of Mnemiopsis leidyi in CASPIAN SEA, so Index of Fullness (IF) and growth the fish is reduced.

Cites

STUDY ON CHEMICAL COMPOSITION OF ALOSA CASPIA AND EVALUATION OF CHANGES IN ITS MOISTURE AND SALT CONTENT DURING SALTING AND DRYING

References

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APA: Copy

ABBASI, KEYVAN, & SABKARA, J.. (2004). STUDYING ALOSA CASPIA CASPIA (CASPIAN SHAD) DIET IN SOUTHEASTERN CASPIAN SEA (MAZANDARAN AND GOLESTAN PROVINCES). IRANIAN JOURNAL OF BIOLOGY, 17(3), 272-290. SID. https://sid.ir/paper/21022/en

Vancouver: Copy

ABBASI KEYVAN, SABKARA J.. STUDYING ALOSA CASPIA CASPIA (CASPIAN SHAD) DIET IN SOUTHEASTERN CASPIAN SEA (MAZANDARAN AND GOLESTAN PROVINCES). IRANIAN JOURNAL OF BIOLOGY[Internet]. 2004;17(3):272-290. Available from: https://sid.ir/paper/21022/en

IEEE: Copy

KEYVAN ABBASI, and J. SABKARA, “STUDYING ALOSA CASPIA CASPIA (CASPIAN SHAD) DIET IN SOUTHEASTERN CASPIAN SEA (MAZANDARAN AND GOLESTAN PROVINCES),” IRANIAN JOURNAL OF BIOLOGY, vol. 17, no. 3, pp. 272–290, 2004, [Online]. Available: https://sid.ir/paper/21022/en

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