First record of Caligusdussumieri Rangnekar, 1957 (Copepoda, Siphonostomatoida, Caligidae) from Malaysia, with notes on caligids found from Malaysia and on host-specificity of caligids on lutjanid fishes

Biodivers Data J. 2024 Feb 20:12:e116598. doi: 10.3897/BDJ.12.e116598. eCollection 2024.

Abstract

Background: In total, 14 species of Caligus have been reported from Malaysia. Amongst them, four species are reported from lutjanid fishes.

New information: Caligusdussumieri Rangnekar, 1957 is reported from Malabar snapper, Lutjanusmalabaricus, purchased from a local wet market in Terengganu, Peninsular Malaysia. This is the first record of this species in Malaysia and it is only the second species assigned to the bonito-group of the genus Caligus to be reported from Malaysia. A key to species of the bonito-group is presented herein. The list of caligids infecting lutjanid fishes and the geographical distributions plus the known hosts of members of the bonito-group of Caligus are discussed.

Keywords: Caligidae; Lutjanidae; bonito-species group; geographic distribution; host list; identification key; sea lice.

Grants and funding

This study was supported by a collaborative grant SRGS/2021/SRGS-IC/04 from Universiti Sultan Zainal Abidin, Malaysia (awarded to NI) and grants-in-aid of the JSPS (KAKENHI, No. 19H03032, awarded to S.O.; bilateral partnership program, No. JPJSBP120209924 awarded to S.O.).