| 6th ABDOMINAL SEGMENT LENGTH: medium length ABDOMINAL PHOTOPHORES, ventral: 4 present; segs 1-4 CARAPACE SPINES: 2 pairs of lateral denticles EYE SHAPE: round or nearly round EYE SIZE (for round-eyed spp.): medium; (0.16-0.19) : 1.0 EYESTALK PHOTOPHORES: 1 on each eyestalk GEOGRAPHIC DISTRIBUTION: South Atlantic GEOGRAPHIC DISTRIBUTION: Tropical Atlantic GEOGRAPHIC DISTRIBUTION: North Atlantic LAPPET (Anten. pedunc. seg.1): comb-shaped MANDIBULAR PALP: with palp NO. OF CRYSTALLINE CONES (eye): none ROSTRUM: slender; to front of eye THORACIC LEGS (ENDOPODS): 1-6 sim; 7-8 are rudiment THORACIC PHOTOPHORES: 1 pair each; 2nd & 7th segs TOTAL LENGTH OF ADULTS (mm): 8 ~ 16 mm UROPOD (outer ramus): no transverse suture near tip VERTICAL RANGE OF ADULTS: 0 ~ 400 m |