Parasite fauna of white-streaked grouper, Epinephelus ongus (Bloch, 1790) (Epinephelidae) from Karimunjawa, Indonesia

Autor:
Neubert, K.; Yulianto, I.; Kleinertz, S.; Theisen, S.; Wiryawan, B.; Palm, H.W.
In:

Parasitology Open

Bandangabe: 2
Auflage: e12
ISBN: 2055-7094
DOI: https://doi.org/10.1017/pao.2016.6
Seite: 1 - 11
Jahr: 2016

Einordung:
Institut: Professur Aquakultur und Sea-Ranching

Abstract:
This study provides the first comprehensive information on the parasite fauna of the white-streaked grouper Epinephelus
ongus. A total of 35 specimens from the archipelago Karimunjawa, Java Sea, Indonesia were studied for metazoan
parasites. For comparison, the documented parasite community of 521 E. areolatus, E. coioides and E. fuscoguttatus
from previous studies were analysed. A total of 17 different parasite taxa were recognized for E. ongus, including
14 new host and four new locality records. This increases the known parasite taxa of E. ongus by more than 80%.
The ectoparasite fauna was predominated by the monogenean Pseudorhabdosynochus quadratus resulting in a low
Shannon index of species diversity of the entire parasite community (0.17). By contrast, the species diversity
excluding the ectoparasites reached the highest value recorded for Indonesian epinephelids (1.93). The endoparasite
fauna was predominated by generalists, which are already known from Indonesia. This demonstrates the potential risk
of parasite transmission through E. ongus into mariculture and vice versa. One-way analyses of similarity revealed a
significantly different parasite community pattern of E. ongus compared with E. areolatus and E. fuscoguttatus as well as
minor differences with E. coioides. This finding refers to different habitat preferences of these epinephelids within the
analysed size range.

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