Abstract

Labridae is a large and diverse fish family. Many species under Labridae inhabits Indonesian coral reefs. However, limited scientific data are available on ornamental fish diversity in Labridae from the South Coast of West Java. The purpose of the research is to give information about species diversity and phylogenetic relationships among species of Labridae fish family in the South Coast of West Java. This research will be conducted using a survey method with a purposive sampling technique. The observed parameters include morphometric and meristic characters and evolutionary relationships among species within Labridae family species collected from the South Coast of Sukabumi and Garut, West Java. Morphological data will be analyzed descriptively based on morphometric and meristic data. Species-level identification performed by referring to the available identification guide book. Phylogenetic relationships will be analyzed statistically using cladistics method as implemented in PAUP 4.0 applying maximum parsimony algorithm. The cladogram has a consistency index of 0.563, indicating low homoplasy and proved that the tree was the most parsimonious. Labridae formed monophyletic clade compared to Acanthurus maculiceps, and Cheilio inermis was basal species while the others derived species.

Highlights

  • Every year, millions of marine organisms are exploited from the sea, distributed throughout the world and end up in home aquariums

  • The information is essential for decision-maker in making policies for sustainable use of marine ornamental fish resources from the South Coast of West Java, especially for fish species within Labridae

  • Low homoplasy can be an indicator that similarities occurred among members of Labridae, as observed in this study indicated homolog characters of species that belong to the same ancestor

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Summary

INTRODUCTION

Millions of marine organisms are exploited from the sea, distributed throughout the world and end up in home aquariums. The study on marine ornamental fish from the south coast of West Java was unavailable, especially on phylogenetic relationships. Molecular marker had used by other authors in phylogenetic studies of Labridae (Beldade et al, 2009; Choat et al, 2012; Smith et al, 2008) None of those studies used ratio between morphometric measure of a specific body part and standard length or ration between morphometric measures of head part to head length, especially on marine ornamental fish from Taman Manalusu Garut and Ujung Genteng Sukabumi in the south coast of West Java. We studied the phylogeny of marine ornamental fish within Labridae to know and provide information evolutionary relationship among species under Labridae family from the South Coast of Sukabumi and Garut, West Java. The information is essential for decision-maker in making policies for sustainable use of marine ornamental fish resources from the South Coast of West Java, especially for fish species within Labridae

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