Abstract
OBSERVATIONS have occasionally been made on the method of attack on prey by Illex in the inshore zone where it feeds mainly on small fishes1–3. This communication suggests a way in which the squid is able to capture smaller food organisms—mainly small crustaceans (Euphausiids)4—when it is schooling in the offshore zone.
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Verrill, A. E., Trans. Conn. Acad. Arts Sci., 5 (2) (1881).
Williamson, G. R., Canad. Fld. Nat., 79 (4), 244 (1965). The pattern of attack on a squid jigger is described and this I presume to be similar to an attack on a fish.
Sergeant, D. E. (personal communication).
Squires, H. J., J. Fish. Res. Bd. Canada, 14 (5), 719 (1957).
Mercer, M. C., Manuscr. Rep. Ser. (Biol.) Fish. Res. Bd. Canada, No. 834 (1965). Mercer also argues that some squid in the stomachs of inshore squids may be derived from bites taken after capture and when thrown together, and that cannibalism inshore may be rated higher than it actually is.
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SQUIRES, H. Feeding Habits of the Squid, Illex illecebrosus. Nature 211, 1321 (1966). https://doi.org/10.1038/2111321a0
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DOI: https://doi.org/10.1038/2111321a0
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