TY - JOUR T1 - Feeding Habits of the Scalloped Spiny Lobstrer, Panulirus homarus (Linnaeus, 1758) (Decapoda: Palinuridae) from the South East Coast of Iran TT - Feeding Habits of the Scalloped Spiny Lobstrer, Panulirus homarus (Linnaeus, 1758) (Decapoda: Palinuridae) from the South East Coast of Iran AU - , Nassrin Mashaii AU - Rajabipour, Farhad AU - Shakouri, And Arash PY - 2011 DA - February JF - Turkish Journal of Fisheries and Aquatic Sciences PB - Trabzon Su Ürünleri Merkez Araştırma Enstitüsü WT - DergiPark SN - 1303-2712 VL - 11 IS - 1 LA - tr AB - Certain ecological aspects of the feeding habits of 260 scalloped lobsters Panulirus homarus collected during monthly dives off the southeast coast of Iran were considered. Parameters under consideration included: water temperature, salinity, urbidity, pH, dissolved oxygen and macrobenthose of the lobsters habitat. The mean number of empty stomachs varied from 25% to 62%. Statistical analysis revealed no monthly or seasonal significant difference in the frequency of non-empty stomachs (P>0.05). 1 to 6 prey items were distinguishable in each non-empty stomach. Monthly mean of point counts of prey obtained was from 8.76±4.18 to 154.95±73.62, without any significant difference by Tukeys' HSD test. Bivalves often had he maximum amounts of Fi and Pi amongst different prey items. Pearson χ2 test did not show any significant difference between frequency of occurrence of each prey item with different length classes, sex, moulting condition and presence of eggs n females (P>0.05). Ivlev electivity index of crabs, gastropods and bivalves was close to 1 and sloped to -1 for polychaetes and echinoderms. This index revealed crabs, bivalves and gastropods were more important in the diet than sediment hroughout the year. Frequencies of food occurrence suggest bivalves as the main food; crabs, gastropods, barnacles and algae as secondary food and polychaetes, fish, echinoderms and Ascidiacea as incidental food for P. homarus in the area. Spearmans' correlation coefficients of stomach fullness against different length classes, sexes, moulting and ovigerous females were not significantly different (P>0.05). There was only a significant Pearsons' correlation between the number of point for bivalves in the stomach against body weight (P<0.05). KW - Lobster KW - Panulirus homarus KW - feeding ecology KW - Oman Sea KW - Iran N2 - Certain ecological aspects of the feeding habits of 260 scalloped lobsters Panulirus homarus collected during monthly dives off the southeast coast of Iran were considered. Parameters under consideration included: water temperature, salinity, urbidity, pH, dissolved oxygen and macrobenthose of the lobsters habitat. The mean number of empty stomachs varied from 25% to 62%. Statistical analysis revealed no monthly or seasonal significant difference in the frequency of non-empty stomachs (P>0.05). 1 to 6 prey items were distinguishable in each non-empty stomach. Monthly mean of point counts of prey obtained was from 8.76±4.18 to 154.95±73.62, without any significant difference by Tukeys' HSD test. Bivalves often had he maximum amounts of Fi and Pi amongst different prey items. Pearson χ2 test did not show any significant difference between frequency of occurrence of each prey item with different length classes, sex, moulting condition and presence of eggs n females (P>0.05). Ivlev electivity index of crabs, gastropods and bivalves was close to 1 and sloped to -1 for polychaetes and echinoderms. This index revealed crabs, bivalves and gastropods were more important in the diet than sediment hroughout the year. Frequencies of food occurrence suggest bivalves as the main food; crabs, gastropods, barnacles and algae as secondary food and polychaetes, fish, echinoderms and Ascidiacea as incidental food for P. homarus in the area. Spearmans' correlation coefficients of stomach fullness against different length classes, sexes, moulting and ovigerous females were not significantly different (P>0.05). There was only a significant Pearsons' correlation between the number of point for bivalves in the stomach against body weight (P<0.05). UR - https://dergipark.org.tr/tr/pub/trjfas-ayrildi/issue//160360 L1 - https://dergipark.org.tr/tr/download/article-file/141730 ER -