We investigated egg cannibalism in spawning capelin Mallotus villosus on the north‐east Newfoundland coast during July 2012–2014, specifically whether sex, spawning condition (i.e., spawning or spent) and spawning habitat influenced egg cannibalism. Capelin spawning in deep‐water were 4.5–14 times more likely to be cannibals than those at the beach, probably due to the higher spatial overlap of spawners and conspecific eggs within this habitat relative to beaches. Males were 2.1–3.7 times more likely to be cannibals than females, but female cannibals had more eggs per stomach. Spawning fish were 1.6–1.9 times more likely to be cannibals than spent fish, but spent female cannibals had more eggs per stomach relative to spawning males and females in either habitat. Findings suggest that cannibalism may be an important foraging strategy, especially at deep‐water spawning habitat, possibly extending the spawning season for males or increasing the probability of post‐spawning survival for females. Although 44% of sampled females and 50% of males were cannibals, the estimated mortality due to egg cannibalism was low (0.49–2.97% of eggs produced annually), suggesting that egg cannibalism does not influence recruitment to a great extent in Newfoundland capelin.
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