Aggregations numbering up to a hundred have been observed off Gran Canaria in the summer. Known parasites of this species include the tapeworms Grillotia smaris-gora, G. angeli, and Christianella minuta, the fluke Pseudocotyle squatinae, the monogenean Leptocotyle minor, and the isopod Aega rosacea.
Aggregations of up to a hundred individuals have been observed off Gran Canaria in the summer. Known parasites of this species include tapeworms Grillotia smaris-gora, G. angeli, and Christianella minuta, flukes Pseudocotyle squatinae, monogeneans Leptocotyle minor, and isopods Aega rosacea.