Length-Weight Relationship, Condition Factor and Feeding Habit of Fishes from Mangrove of Santubong Estuary, Sarawak, Malaysia

نویسندگان

چکیده

Length-weight relationship (LWR), condition factor (K) and feeding habits of Coilia dussumieri, Nemapteryx nenga Nibea soldado from Santubong Estuary, Sarawak, Malaysia were reported in the present study. The sampling was conducted during non-monsoon season monsoon April to November 2017 at Buntal, Penambir Demak rivers using three-layered gillnets. A total 182 fish samples caught measured for length body weight. Then, data analysed by equations LWR K. behaviour analysis carried out Relative Gut Index (RGI) Frequency Food Occurrence method. log-transformed regression showed that most fishes exhibited negative allometric. K a significant difference between seasons. RGI values they carnivorous. highest frequency food occurrence both seasons gastropods (94-95 %) items found be more variable (gastropods insect, worms, fish, asteroidea, phytoplankton bivalve). b value is an exponent measure growth pattern this study, expected range 2.5-3.5 not affected seasonal variation. suggesting species surviving well river influenced change. all study carnivorous with variability observed season. are important sustainable fisheries management area.

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ژورنال

عنوان ژورنال: Borneo Journal of Resource Science and Technology

سال: 2021

ISSN: ['0128-2972', '2229-9769']

DOI: https://doi.org/10.33736/bjrst.3700.2021