86: MYCTOPHIDAE (LANTERNFISHES)
Attains 77 mm. High-oceanic, mesopelagic. Data from 2
specimens taken in the Agulhas Current (30032'S, 30 0 58'E;
33°25'S, 27°55'E).
-= ....... .
_ .....
.......
86.86 Lampanyetus sp. A: 6.5 em SL.
86.89 Lampanyctus sp. B
Lampanyctus niger: Norman, 1930: 331 (in part) . Lampanyctus ater:
Norman, 1930: 331 (in part) . Lampanyctus achirus: Nafpaktitis & Naf·
paktitis , 1969: 4S* (in part) . Lampanyctus ct. achirus: Hulley, 1972: 22S.
013·14; A 16·19; GR (4·S)+(11·12) ; AO (S·8)+(7·9).
Attains 90 mm. High-oceanic, mesopelagic. Taken once
in our area at 29°03'S, lO o 03'E; circumglobal convergence
species, but apparently absent south and east of Australia.
86.89 Lampimyetus sp. B: 6 em SL.
Genus Lampichthys Fraser-Brunner, 1949
Maxilla slightly expanded posteriorly, extending well behind orbit; A base slightly longer than Dbase. Dn and Vn
present; 3- 6 CP; 5 PO; 5 VO; SAO series markedly angulate ; AO series divided into AOa and AOp; 3 Pol, forming
right angle; secondary photophores on head and trunk;
patches of luminous tissue of various shapes and sizes on
body and one patch supracaudally. One species present in
our area.
86.90 Lampichthys procerus
(Brauer, 1904)
Myctophum (Lampanyctus) procerus Brauer, 1904: 402 , Fig. 9
(3S032'08"S, 18°20'01"E). Lampanyctus procerus: Smith, SFSA No. 206*.
Lampichthys rectangularis Fraser·Brunner, 1949: 1096, Fig., 1103, Fig. 14
(44°42'5, S3°32.2'W). Lampichthys procerus: Krefft, 1974: 232; McGinnis, 1974: 189*; Wisner, 1976: 214*; Hulley, 1981 : 242.
016·18; A 21·23 ; P 13·1S; GR (4·6)+(13-16) ; AO 8+8.
310
Attains 95 mm. High-oceanic, mesopelagic; 100 - 700 m
(night). Off Cape Peninsula; circumglobal convergence
species (32°-48°S), but with extensions into lower latitudes
in eastern boundary currents.
86.90 Lampiehthys proeerus: 8.5 em SL.
Genus Lepidophanes Fraser-Brunner, 1949
Maxilla slightly expanded posteriorly, extending well behind orbit; A base slightly longer than Dbase; Preach
beyond A origin. Dn absent; Vn present; 5 PO; 5 or 6 VO;
SAO series obtusely angulate; AO series divided into AOa
and AOp; 2 Pol; patches or scale-like structures of luminous
tissue supracaudally and infra caudally , and at bases of D
and A. Two species; probably 1 in our area.
86.91 Lepidophanes guentheri
(Goode & Bean, 1896)
Lampanyctus guentheri Goode & Bean, 1896: 78, PI. 24, Fig. 90 (New·
foundland Bank); Norman, 1930: 329. Lepidophanes guentheri: Nafpak·
titis et a!., 1977: 226' ; Hulley, 1981 : 222*.
o 13·1S ; A 13·16; P 11-14; GR4+(9-11); AO (S·7)+(4·7) .
Attains 78 mm. High-oceanic, mesopelagic; 425 - 750 m
(day) ; 40 - 125 m (night) . Not yet recorded from our area.
Atlantic (45°N-500S), but apparently absent from Benguela
Upwelling Region and seasonally absent from off northeast
Brazil.
86.91 Lepidophanes guentheri: 2 em SL male.
Genus Lobianchia Gatti, 1903
Maxilla slightly expanded posteriorly, extending well
beyond orbit. D base slightly longer than A base. Dn small
and poorly developed; Vn absent, no darkly pigmented tissue at anteroventral or ventral margin of orbit; 5 PO; 5 VO;
AO series divided into AOa and AOp; AOa l not elevated;
Attains 77 mm. High-oceanic, mesopelagic. Data from 2
specimens taken in the Agulhas Current (30032'S, 30 0 58'E;
33°25'S, 27°55'E).
-= ....... .
_ .....
.......
86.86 Lampanyetus sp. A: 6.5 em SL.
86.89 Lampanyctus sp. B
Lampanyctus niger: Norman, 1930: 331 (in part) . Lampanyctus ater:
Norman, 1930: 331 (in part) . Lampanyctus achirus: Nafpaktitis & Naf·
paktitis , 1969: 4S* (in part) . Lampanyctus ct. achirus: Hulley, 1972: 22S.
013·14; A 16·19; GR (4·S)+(11·12) ; AO (S·8)+(7·9).
Attains 90 mm. High-oceanic, mesopelagic. Taken once
in our area at 29°03'S, lO o 03'E; circumglobal convergence
species, but apparently absent south and east of Australia.
86.89 Lampimyetus sp. B: 6 em SL.
Genus Lampichthys Fraser-Brunner, 1949
Maxilla slightly expanded posteriorly, extending well behind orbit; A base slightly longer than Dbase. Dn and Vn
present; 3- 6 CP; 5 PO; 5 VO; SAO series markedly angulate ; AO series divided into AOa and AOp; 3 Pol, forming
right angle; secondary photophores on head and trunk;
patches of luminous tissue of various shapes and sizes on
body and one patch supracaudally. One species present in
our area.
86.90 Lampichthys procerus
(Brauer, 1904)
Myctophum (Lampanyctus) procerus Brauer, 1904: 402 , Fig. 9
(3S032'08"S, 18°20'01"E). Lampanyctus procerus: Smith, SFSA No. 206*.
Lampichthys rectangularis Fraser·Brunner, 1949: 1096, Fig., 1103, Fig. 14
(44°42'5, S3°32.2'W). Lampichthys procerus: Krefft, 1974: 232; McGinnis, 1974: 189*; Wisner, 1976: 214*; Hulley, 1981 : 242.
016·18; A 21·23 ; P 13·1S; GR (4·6)+(13-16) ; AO 8+8.
310
Attains 95 mm. High-oceanic, mesopelagic; 100 - 700 m
(night). Off Cape Peninsula; circumglobal convergence
species (32°-48°S), but with extensions into lower latitudes
in eastern boundary currents.
86.90 Lampiehthys proeerus: 8.5 em SL.
Genus Lepidophanes Fraser-Brunner, 1949
Maxilla slightly expanded posteriorly, extending well behind orbit; A base slightly longer than Dbase; Preach
beyond A origin. Dn absent; Vn present; 5 PO; 5 or 6 VO;
SAO series obtusely angulate; AO series divided into AOa
and AOp; 2 Pol; patches or scale-like structures of luminous
tissue supracaudally and infra caudally , and at bases of D
and A. Two species; probably 1 in our area.
86.91 Lepidophanes guentheri
(Goode & Bean, 1896)
Lampanyctus guentheri Goode & Bean, 1896: 78, PI. 24, Fig. 90 (New·
foundland Bank); Norman, 1930: 329. Lepidophanes guentheri: Nafpak·
titis et a!., 1977: 226' ; Hulley, 1981 : 222*.
o 13·1S ; A 13·16; P 11-14; GR4+(9-11); AO (S·7)+(4·7) .
Attains 78 mm. High-oceanic, mesopelagic; 425 - 750 m
(day) ; 40 - 125 m (night) . Not yet recorded from our area.
Atlantic (45°N-500S), but apparently absent from Benguela
Upwelling Region and seasonally absent from off northeast
Brazil.
86.91 Lepidophanes guentheri: 2 em SL male.
Genus Lobianchia Gatti, 1903
Maxilla slightly expanded posteriorly, extending well
beyond orbit. D base slightly longer than A base. Dn small
and poorly developed; Vn absent, no darkly pigmented tissue at anteroventral or ventral margin of orbit; 5 PO; 5 VO;
AO series divided into AOa and AOp; AOa l not elevated;