Lernaeenicus hemirhamphi

Raja, Kuzhanthaivel, Saravanakumar, Ayyapan, Gopalakrishnan, Ayyaru, Vijayakumar, Ramalingam, Hwang, Ui Wook & Maran, Balu Alagar Venmathi, 2016, The genus Lernaeenicus Lesueur (Copepoda, Siphonostomatoida, Pennellidae) in India: a checklist with notes on its taxonomy and ecology, Zootaxa 4174 (1), pp. 192-211 : 200

Lernaeenicus hemirhamphi

A total of 13,756 individuals of Hemiramphus far were examined, of which 1,800 were infested. Prevalence was almost similar at both stations, i.e. Nagapattinam (13.2%) ( Fig. 11 A) and Parangipettai (12.5%) ( Fig. 11 C). Higher prevalence was observed during postmonsoon (2011) at Nagapattinam whereas it was lower during premonsoon (2013) at Parangipettai. The overall mean intensity was 1.6 and 1.5 at Nagapattinam ( Fig. 11 B) and Parangipettai ( Fig. 11 D), respectively (Table 1).

Another host, Hemiramphus lutkei , was also examined for L. hemirhamphi ; 1,082 out of 11,532 individuals were infested by the pennellid. The overall percentage of prevalence was 9.9% at Nagapattinam and 9.5% at Parangipettai. Prevalence (18.4%) was high during postmonsoon (2011) at Nagapattinam and low (3.5%) during premonsoon (2013) at Nagapattinam. The overall mean intensity was 1.4 at both stations. Seasonal high mean intensity of 1.8 was noted during postmonsoon (2011) at Nagapattinam and but was lower (1.2) during premonsoon (2012) at Parangipettai.

Figures

FIGURE 11. Prevalence of four species of Lernaeenicus (Copepoda, Pennellidae) on marine fishes from Nagapattinam (A), Parangipettai (C) and mean intensity from Nagapattinam (B), Parangipettai (D), southeast coast of India (2011 – 2013).