Sains Malaysiana 52(4)(2023): 1037-1046

http://doi.org/10.17576/jsm-2023-5204-01

 

First Record and Distribution Extension of Two Emperor Fishes, Lethrinus semicinctus and Lethrinus olivaceus to the East Coast of Peninsular Malaysia

(Rekod Pertama dan Pelunjuran Taburan Dua Ikan Landuk, Lethrinus semicinctus dan Lethrinus olivaceus ke Pantai Timur Semenanjung Malaysia)

 

SITI ASMAL MAT PIAH1, HUI HUI LEE1, NUR ATHIRAH ABD LATIFF1, LI LIAN WONG2, JO OKAMOTO3, HIROYUKI MOTOMURA4, SEISHI KIMURA5 & YING GIAT SEAH1,6,*

 

1Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu Darul Iman, Malaysia

2Institute Marine Biotechnology, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu Darul Iman, Malaysia

3Okinawa Churaumi Aquarium, Okinawa Churashima Foundation, 888 Ishikawa, Motobu, Kunigami, Okinawa 905-0206, Japan

4The Kagoshima University Museum, 1-21-30 Korimoto, Kagoshima 890-0065, Japan

5Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan

6South China Sea Repository and Reference Centre, Institute Oceanography and Environment, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu Darul Iman, Malaysia

 

Received: 22 May 2022/Accepted: 20 March 2023

 

Abstract

This study reports the occurrence of two species of Lethrinus (family Lethrinidae) on the east coast of Peninsular Malaysia. The specimens were caught by commercial bottom trawlers operating in the southern part of the South China Sea and landed at several fish landing ports. Lethrinus semicinctusValenciennes, 1830 and Lethrinus olivaceus Valenciennes, 1830, previously known from Borneo, with the latter also occurring in the Straits of Malacca on the west coast of Peninsular Malaysia, are now documented as new records of geographic range in the northeastern coast of Peninsular Malaysia. These records add to published Malaysian literature with photographic records, locality details, collection numbers and preserved specimens. Diagnostic characters for both species are given, as well as detailed morphometric and meristic data.

 

Keywords: Biogeography; Lethrinidae; marine fish; new record; South China Sea

 

Abstrak

Kajian ini melaporkan kehadiran dua spesies Lethrinus (family Lethrinidae) di pantai timur Semenanjung Malaysia. Spesimen telah ditangkap dengan bot pukat tunda dasar komersial yang beroperasi di bahagian selatan Laut China Selatan dan mendarat di beberapa pelabuhan pendaratan ikan. Lethrinus semicinctusValenciennes, 1830 dan Lethrinus olivaceusValenciennes, 1830, sebelum ini diketahui dari Borneo, dengan yang terakhir juga hadir di Selat Melaka di pantai barat Semenanjung Malaysia, kini telah didokumentasikan sebagai rekod baharu bagi julat geografi di pantai timur laut Semenanjung Malaysia. Rekod ini menambah kepustakaan Malaysia yang diterbitkan dengan rekod fotografi, butiran lokaliti, nombor koleksi dan spesimen yang diawet. Sifat diagnostik untuk kedua-dua spesies diberikan, serta data morfometrik dan meristik yang terperinci.

 

Kata kunci: Biogeografi; ikan marin; Laut China Selatan; Lethrinidae; rekod baharu

 

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*Corresponding author; email: ygseah@umt.edu.my