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BiologyBenthopelagic (Ref. 58302). Reported to have been encountered it most often in pairs, one individual usually being much larger than the other; appears to be among the deepest ranging of the subgenus Trochocopus, collected at depths of 67 to 238 m, but apparently preferring depths of 100-120 m (Ref. 75973). Oviparous, distinct pairing during breeding (Ref. 205).