86: MYCfOPHIDAE (LANTERNFISHES)
Genus Bolinichthys Paxton, 1972
Maxilla expanded posteriorly, extending half an eyediameter or less past orbit; A base slightly longer than D
base. Posterodorsal margin of operculum sharply angulate;
rear opercular margin anteriorly concave . Dn absent; Vn
small; 5 PO; 4 VO; AO series divided into AOa and AOp;
2 Pol; 2+ 1 Prc. Supracaudal and infracaudal luminous
patches present ; luminous tissue at base of D, A and V,
often on dorsal surface of head and on trunk . Seven species;
2 (possibly 4) in our area.
KEY TO SPECIES
la VLO 3-5 photophore diameters below LL; no
luminous scale at V base ...... ...... ...... ... ........ ... .. B. supralateralis
1 b VLO at LL; luminous scale at bases of V present ..... ..... ........ ... 2
2a Preopercle with strongly developed antrorse
spine at posteroventral margin ; luminous scale
at PVO t present ........ .... ..... ... ... ..... ..... .. .. ..... .. .. B. photothorax
2b Preopercle with only small projection at posteroventral
margin ; luminous scale at PVO t absent ... ............. .. ........ .... .... 3
3a No luminous patch above P; GR (5-6)+(10-14)
total 16-20; infracaudal gland not reaching last
AOp .. ......... ....... .. ..... .. .. .. ......... ........... ..... ....... .. B.longipes
3b Luminous patch above P present ; GR 4
(3-5)+(11-13) total 15-18; infracaudal gland
reaching last AOp ... ....... ...... ..... ... .............. ... ........ . B. indicus
86.4 Bolinichthys indicus
(Nafpaktitis & Nafpaktitis, 1969)
Lepidophanes indicus Nafpaktitis & Nafpaktitis, 1969: 72, Figs. 72-75
(22°34'S, 65°55 'E) ; Hulley, 1972: 225. Lampanyctus pusillus: Hulley,
1972: 224 (in part). Bolinichthys indicus: Hulley, 1981 : 227* ; 1984: 67* .
D 12-14; A 12-14; P 12-14; GR (3-5)+(11-13); AO (5-7) +(3-5) . Mature
males with luminous patches above nostrils and at posterodorsal margin of
orbit ; females with traces of luminous tissue corresponding to male
pattern .
Attains 45 mm. High-oceanic, mesopelagic; 500 - 900 m
(day); 25 - 300 m (night) . Indian Ocean (20° -45°S) ; Atlantic
(200-50 0 N and 200-40 0 S).
86.4 Bolinichthys indicus: 3 em Sl.
86.5 Bolinichthys longipes
(Brauer, 1906)
Myctophum (Myctophum) longipes Brauer, 1906: 236, Fig. 155 (Indian
Ocean) . Lepidophanes longipes: Nafpaktitis & Nafpaktitis, 1969: 58* ;
286
Kotthaus , 1972: 33*. Bolinichthys longipes: Wisner , 1976: 204* ; Gj0saeter, 1981: 220.
D 11-14; A 13-15 ; P 12-13; GR (5-6)+(11-14); AO (5-7)+(2-4). Mature
males with 4 conspicuous luminous patches, sometimes confluent, on interorbital region ; mature females with traces of luminous tissue corresponding to male pattern.
Attains 49 mm. High-oceanic, mesopelagic; 525 -725 m
(day); 50 - 150 m (night). Not yet recorded from our area.
Indian Ocean (200N-18°S), southeast Asian seas and western Pacific to 30 0 N, and in eastern Pacific (30 0 N-200S) .
86.5 Bolinichthys longipes: 4 em SL female (after Nafpaktitis & Nafpaktitis,
1969).
86.6 Bolinichthys photothorax
(Parr, 1928)
Lampanyctus photothorax Parr, 1928: 95, Fig. 13 (23°55'N, 77°09'W) ;
Norman , 1930: 329 (in part) . Lepidophanes photothorax: Nafpaktitis &
Nafpaktitis, 1969: 59*. Bolinichthys photothorax: Hulley, 1981: 230* .
D 12-14; A 13-15 ; P 12-14; GR (5-7)+(13-17); AO (6-8)+(3-6). Conspicuous patches of luminous tissue on head and upper rear edge of orbit,
not sexually dimorphic.
Attains 73 mm. High-oceanic, mesopelagic; 425 - 750 m
(day) ; 40 - 500 m (night) . Not yet recorded in our area.
Atlantic (300N-100S, with extensions in western boundary
currents to 400N and 38°S), Indian Ocean (l00N-300S),
western tropical Pacific and eastern Pacific (30 0 N-25°S).
86.6 Bolinichthys photo thorax: 6 em SL female (after Nafpaktitis &
Nafpaktitis, 1969).
86.7 BOlinichthys supralateralis
(Parr, 1928)
Lampanyctus supralateralis Parr, 1928: 94, Fig. 12 (23°42' N, 76°43'W).
Lampanyctus superlateralis: Grindley & Penrith,1965 : 283 . Lampanyctus
pyrosobolus: Grindley & Penrith, 1965: 283 (in part) . Lepidophanes
supralateralis: Hulley , 1972: 241* . Bolinichthys supralateralis: Hulley,
1981 : 230* ; 1984: 68 .
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