A comparative study of morphometric and meristic traits in different age groups of the dominant flatheads (Family: Platycephalidae) in the coastal waters of the Persian Gulf (Hormozgan Province)

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Izadifar faeze; Safaie Mohsen; Behzadi Siamak

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST) Year:2024 | Volume:13 | Issue:3 Page(s): 159-169

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Title

A comparative study of morphometric and meristic traits in different age groups of the dominant flatheads (Family: Platycephalidae) in the coastal waters of the Persian Gulf (Hormozgan Province)

Author(s)

Izadifar faeze | Safaie Mohsen | Behzadi Siamak | Issue Writer Certificate

Keywords

G.scaber

P.indicus

G.suppositus

morphometric

meristic

Hormuzgan Province

Abstract

The morphometric and meristic traits of the dominant demersal flathead fish P.indicus, G.suppositus, and G.scaber which were caught as by-catch of shrimp (bottom trawl) and also in coastal stake net (moshta), During the period from April 2022 to October 2023, it was evaluated comparative in different age groups. A total 19 morphometric and six meristic characteristics were recorded. The average total length and weight of the fish in P.indicus (23.2 ± 6.9) cm, (99.9 ± 78.4) gr and in G.suppositus species (20.6 ± 4.7) cm, (67.4±33.7) gr and also in G.scaber (18.5±2.9) cm, (31.0±17.2) gr. In the studied species, among all the measured morphometric traits (except head hight, body hight and Eye part head higth), the rest of the traits in P.indicus species have the highest and lowest (except head length and Anal fin hight ) has been observed in G.scaber. In the investigation of meristic traits, the highest and lowest number of gill rakers in G.suppositus and G.scaber, respectively. The number of rays Pectoral fin was the highest in G.suppositus and the lowest in P.indicus. species.the three studied species in different age groups, showed significant differences in various morphometric and meristic parameters (except for the number of rays of the first dorsal fin) (P<0.05). The three studied species clearly distinguished themselves in the present research. The results of this research showed that the analysis of morphometric and meristic traits is a useful tool for the separation of flatheads species studied in this research.

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