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Figure 8


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Proportions of females of acanthocephalan Acanthogyrus (Acanthosentis) cf. tilapiae in Coptodon guineensis at Sebkha Imlili according to stage of maturity. Solid bars = immature females (no genitalia visible); dotted bars = ovigerous females (ovarian balls visible); striped bars = gravid females (December 2018: n = 41; April 2019: n = 42; July 2019: n = 47; October 2019: n = 50). Gravid females were present throughout the year but significantly more abundant proportionally in December and July, which may indicate a short life span of the worms and quick turnover in the fish.

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