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Articles by A. Samat
Total Records ( 3 ) for A. Samat
  A.G. Mazlan , Y.S. Chung , C.C. Zaidi , A. Samat , A. Arshad , Y.G. Seah , Gazi Mahabubul Alam and K.D. Simon
  The present study describes the meristic, morphometric and Length Weight Relationship (LWR) of tropical silverside, Atherinomorus duodecimalis (Atheriniformes: Atherinidae) an important fishery in the Sea grass and mangrove habitat of Tinggi Island, Johor, Malaysia. A series of sampling survey was conducted in seagrass and mangrove habitats of Tinggi Island, using beach seine net. A total of 94 specimens (3.7-10.3 cm TL) used in this study. The results showed that meristic and morphometric features of the fish studied agreed well with a description of the holotype specimen MNHN A. 4382 and other silverside specimens. The only exception was observed in the upper jaw length and eye diameter as a percentage of head length. The allometric coefficient ‘b’ of the length weight relationship indicated negative allometric growth (b<3.0) in seagrass habitat and positive allometric growth (b>3.0) in mangrove habitat. To the best knowledge of the authors, this study presented the first reference on LWR for this species from Johor waters, Malaysia.
  I. Zamidi , A. Samat , C.C. Zaidi , A.G. Mazlan , Gazi Mahabubul Alam , Abul Quasem Al-Amin and K.D. Simon
  Several aspects of the reproductive biology of four finger threadfin, Eleutheronema tetradactylum collected from coastal waters of Sebatu, Malacca, Peninsular Malaysia between August 2009 and October 2010 were studied to describe the fecundity and temporal reproductive cycle. Temporal reproductive cycle was reviewed utilizing monthly changes in Gonadosomatic Index (GSI) and macroscopic observation of ovaries. Estimated fecundity of mature ovaries ranged from 341,358-1,114,757 eggs with a Total Length (TL) that range from 38.0-55.5 cm. The estimated average fecundity was 663,078±76,935. The relative fecundity ranged from 393-1202 eggs g-1 b.wt. with induced a 657±68 mean value. According to our findings; a linear correlation appeared between the estimated Fecundity (F), Ovary Weight (OW), Body Weight (BW) and Total Length (TL) show. Present results also indicate that four finger threadfin fish has a lengthy spawning season starting from March-September in Malacca coastal waters of Peninsular Malaysia.
  K.D. Simon , A.G. Mazlan , Z.C. Cob , A. Samat and A. Arshad
  In this study the most common bony structure (scales) and method was investigated for age determination of archer fishes. A total of 85 specimens of archer fishes (Toxotes chatareus and Toxotes jaculatrix) from the estuaries of South Johore, Malaysia were examined for age. Scale length is linearly proportion (r = 0.816) to standard length (SL). Relationship between scale length (L) and scale weight (W) can be expressed by the formula W = 0.0155L2.917. Daily growth rings and annulus of scales count up demonstrated that the ages of the samples for both species were mostly 1-2 years and a handful samples of T. jaculatrix were above 2 years.
 
 
 
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