The paralarval period ends when the eyes become sessile between sizes of 75 and 95 mm GL. Paralarvae have relatively large, oval and widely spaced chromatophores on the mantle. The tubercle first appears at the funnel-mantle fusion at a size between 30 and 60 mm GL (Voss, 1985).
Figure. T. megalops growth stages. Left - Two views of a paralarva photographed in a shipboard aquarium: side view, and an anterior view with the head and arms withdrawn into the mantle cavity. Also, in the latter photograph the squid had released ink into the mantle cavity. © David Shale. Right - (left to right): 11 mm ML, 29 mm ML, 60 mm ML. Drawings from Voss, 1985, p. 22.
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