Té proteïnes anticongelants a la sang, així com teixits adiposos per compensar la seua manca de bufeta natatòria i donar-li una flotabilitat neutra.[3][4][5]
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↑Amaoka, K., K. Matsuura T. Inada, M. Takeda, H. Hatanaka i K. Okada (eds.), 1990. Fishes collected by the R/V Shinkai Maru around New Zealand. Japan Marine Fishery Resource Research Center, Tòquio. 410 p.
↑Francis, M.P., 1996. Geographic distribution of marine reef fishes in the New Zealand region. N.Z. J. Mar. Freshwat. Res. 30:35-55.
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