Figure. The arrangement of ocular photophores differs between Pterygioteuthis (left) and Pyroteuthis (right) in that the latter lacks the large lidded photophore and has fewer minute photophores. Note the irridescence from iridophores within the large, non-lidded photophores.
Pyroteuthidae Ocular PhotophoresRichard E. Young and Katharina M. Mangold (1922-2003)
Page copyright © 1997 and Katharina M. Mangold (1922-2003)
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