86: MYCfOPHIDAE (LANTERNFISHES)
cooler waters. Occurs off all our coasts. In Atlantic (47°NSubtropical Convergence), Indian (24°-30 0 S) and Pacific
(35°N-34°S) oceans.
~:::::.,
c:.-#' ........ ..tb ...... _~ .. '::':.~~
86.108 NotoscopeJus (N.) respJendens: 6 em SL.
Genus Protomyctophum Fraser-Brunner, 1949
Maxilla greatly expanded. posteriorly, extending to or
only somewhat behind vertical at rear margin of orbit; A
base longer than Dbase. Dn minute; Vn small; 5 PO; 4 VO;
SAO series straight or weakly angulate; supracaudal and infracaudal glands present. Two subgenera; both in our area.
KEY TO SUBGENERA
la Eyes semi-telescopic; interorbital width less
than expanded posterior end of maxilla .. ........................ Hierops
Ib Eyes normal; interorbital width greater
than expanded posterior end of maxilla ... ..... .... . Protomyctophum
Subgenus Hierops Fraser-Brunner, 1949
Seven species; 2 in our area.
KEY TO SPECIES
la AO 14-15; AO-Prc} interspace greater than
PrcrPrC:! interspace .............................. .. P. (H.) subparallelum
Ib AO 17-19; AO-Prc} interspace less than
PrcrPrC:! interspace .......... .... .......... .. ...... ..... P. (H.) parallelum
86.109 Protomyctophum (Hierops) parallelum
(Li:innberg, 1905)
Myctophumparalielum L6nnberg, 1905: 764 (48°27'S, 44°36'W); 1905:
62 . Protomyctophum (Hierops) paralielum: Andriashev, 1962: 238*; Nafpaktitis & Nafpaktitis, 1969: 8*; Hulley, 1972: 219 ; 1981: 34*; McGinnis,
1974: 65* .
~
Q
o ~ • . _
86.109 Protomyctophum (H.) paralleJum: 4 em SL.
316
D 10-13; A 23-27; P 14-15; GR (3-4)+(13-15) ; AO 17-19. Males with
single, large, supracaudal luminous gland, outlined in black pigment;
females with 1-3 infracaudalluminous scales.
Attains 50 mm. High-oceanic, mesope\agic; 150 - 450 m
(night). Occurs between 38°-40 o S, 15°E and at 45°S, 36°E.
Circumglobal between Subtropical Convergence and Antarctic Polar Front.
86.110 Protomyctophum (Hierops) subparallelum
(Taning, 1932)
Myctophum paralielum (non L6nnberg): Norman, 1930: 320; Smith,
SFSA No. 192. Myctophum articum subparallelum Taning, 1932: 128
(41°47'S, 176°55'E). Hierops subparallela: Bolin, 1959: 5. Protomyctophum (Hierops) subparalielum: Andriashev, 1962: 234*; Nafpaktitis &
Nafpaktitis, 1969: 8* ; Hulley, 1972: 219 ; 1972: 239; 1981 : 36* ; McGinnis,
1974: 68*.
D 11-12; A 20-24; P 14-16; GR 4+(14-15); AO 14-15. Males with single,
large , supracaudal luminous gland, outlined in black pigment; females
with 1-3 infracaudalluminous scales, sometimes coalesced.
Attains 36 mm. Off west coast and at Vema Seamount.
Circumglobal in region of Subtropical Convergence, with
northern extension to 30 0 S in eastern boundary currents.
86.110 Protomyctophum (H.) subparal/eJum: 2.5 em SL (after Nafpaktitis &
Nafpaktitis, 1969).
Subgenus Protomyctophum Fraser-Brunner, 1949
More than 7 species; 2 (possibly 7) in our area.
KEY TO SPECIES
la Distance Prc}-PrC:! greater than 1 photophorediameter; males with single, medially-constricted,
black-edged supracaudal gland; females with
3-6 individual luminous scales infracaudally,
or a single, coalesced infracaudal gland .. ...... ........ ... P. (P.) bolini
Ib Distance Prc}-PrC:! about Yz photophore-diameter
or less ............. .... .. ...... ........ ...... .... ............... ... .. ..... .... ..... 2
2a Body depth less than 25% SL (usually 21-23% SL) .......... .. .. ... .. 3
2b Body depth greater than 25 % SL (usually 26-30% SL) .... .. ... .. .... 4
3a Palatine teeth in anterior group only; length
of posterior ventral expansion of maxilla about
equal to length of distal margin of maxilla;
males with supracaudal gland only, comprising
6-8 partially coalesced luminous scales; females
with infracaudal gland only, comprising 4-6
separate, luminous patches ........ .. .. ..... ............... P. (P.) tenisoni
cooler waters. Occurs off all our coasts. In Atlantic (47°NSubtropical Convergence), Indian (24°-30 0 S) and Pacific
(35°N-34°S) oceans.
~:::::.,
c:.-#' ........ ..tb ...... _~ .. '::':.~~
86.108 NotoscopeJus (N.) respJendens: 6 em SL.
Genus Protomyctophum Fraser-Brunner, 1949
Maxilla greatly expanded. posteriorly, extending to or
only somewhat behind vertical at rear margin of orbit; A
base longer than Dbase. Dn minute; Vn small; 5 PO; 4 VO;
SAO series straight or weakly angulate; supracaudal and infracaudal glands present. Two subgenera; both in our area.
KEY TO SUBGENERA
la Eyes semi-telescopic; interorbital width less
than expanded posterior end of maxilla .. ........................ Hierops
Ib Eyes normal; interorbital width greater
than expanded posterior end of maxilla ... ..... .... . Protomyctophum
Subgenus Hierops Fraser-Brunner, 1949
Seven species; 2 in our area.
KEY TO SPECIES
la AO 14-15; AO-Prc} interspace greater than
PrcrPrC:! interspace .............................. .. P. (H.) subparallelum
Ib AO 17-19; AO-Prc} interspace less than
PrcrPrC:! interspace .......... .... .......... .. ...... ..... P. (H.) parallelum
86.109 Protomyctophum (Hierops) parallelum
(Li:innberg, 1905)
Myctophumparalielum L6nnberg, 1905: 764 (48°27'S, 44°36'W); 1905:
62 . Protomyctophum (Hierops) paralielum: Andriashev, 1962: 238*; Nafpaktitis & Nafpaktitis, 1969: 8*; Hulley, 1972: 219 ; 1981: 34*; McGinnis,
1974: 65* .
~
Q
o ~ • . _
86.109 Protomyctophum (H.) paralleJum: 4 em SL.
316
D 10-13; A 23-27; P 14-15; GR (3-4)+(13-15) ; AO 17-19. Males with
single, large, supracaudal luminous gland, outlined in black pigment;
females with 1-3 infracaudalluminous scales.
Attains 50 mm. High-oceanic, mesope\agic; 150 - 450 m
(night). Occurs between 38°-40 o S, 15°E and at 45°S, 36°E.
Circumglobal between Subtropical Convergence and Antarctic Polar Front.
86.110 Protomyctophum (Hierops) subparallelum
(Taning, 1932)
Myctophum paralielum (non L6nnberg): Norman, 1930: 320; Smith,
SFSA No. 192. Myctophum articum subparallelum Taning, 1932: 128
(41°47'S, 176°55'E). Hierops subparallela: Bolin, 1959: 5. Protomyctophum (Hierops) subparalielum: Andriashev, 1962: 234*; Nafpaktitis &
Nafpaktitis, 1969: 8* ; Hulley, 1972: 219 ; 1972: 239; 1981 : 36* ; McGinnis,
1974: 68*.
D 11-12; A 20-24; P 14-16; GR 4+(14-15); AO 14-15. Males with single,
large , supracaudal luminous gland, outlined in black pigment; females
with 1-3 infracaudalluminous scales, sometimes coalesced.
Attains 36 mm. Off west coast and at Vema Seamount.
Circumglobal in region of Subtropical Convergence, with
northern extension to 30 0 S in eastern boundary currents.
86.110 Protomyctophum (H.) subparal/eJum: 2.5 em SL (after Nafpaktitis &
Nafpaktitis, 1969).
Subgenus Protomyctophum Fraser-Brunner, 1949
More than 7 species; 2 (possibly 7) in our area.
KEY TO SPECIES
la Distance Prc}-PrC:! greater than 1 photophorediameter; males with single, medially-constricted,
black-edged supracaudal gland; females with
3-6 individual luminous scales infracaudally,
or a single, coalesced infracaudal gland .. ...... ........ ... P. (P.) bolini
Ib Distance Prc}-PrC:! about Yz photophore-diameter
or less ............. .... .. ...... ........ ...... .... ............... ... .. ..... .... ..... 2
2a Body depth less than 25% SL (usually 21-23% SL) .......... .. .. ... .. 3
2b Body depth greater than 25 % SL (usually 26-30% SL) .... .. ... .. .... 4
3a Palatine teeth in anterior group only; length
of posterior ventral expansion of maxilla about
equal to length of distal margin of maxilla;
males with supracaudal gland only, comprising
6-8 partially coalesced luminous scales; females
with infracaudal gland only, comprising 4-6
separate, luminous patches ........ .. .. ..... ............... P. (P.) tenisoni