Genus Alepocephalus Risso, 1820
At least 15 species; 3 in our area. This genus needs revision;
the following should be considered tentative.
64.1 A/epocepha/us australis
Barnard,1923
Alepocephalus australis Barnard, 1923: 440 (off Cape Point); Barnard ,
1925: 121*; Smith, SFSA No. 124*; Parr, 1952: 257; Sazonov & Ivanov ,
1980: 53*; Markle & Sazonov, in press. Alepocephalus barnardi Norman,
1930: 270 (off Cape Point, 700 fms); Smith, SFSA No. 125.
D 16-19; A 17-19; P 9-13; V 7-8; LL 55-60; pyloric caeca 11-16; GR
(7-10)+(13-18). Maximum body depth of adults approximately at origin
ofP.
Attains at least 60 cm SL. Common from about 1 000 to
2600 m; apparently widely distributed in temperate waters
of southern hemisphere; a similar Atlantic form north of
15°S may not be conspecific. Benthopelagic.
64.1 Alepocephalus australis: adult? (after Sazonov & Ivanov, 1980).
64.2 A/epocepha/us sp. (cf. productuslb/anfordii)
Alepocephalus sp. cf. A. productus: Sazonov & Ivanov, 1980: 54* .
Alepocephalus productus: Markle & Quero, 1984: 231* . Alepocephalus
sp.: Markle & Sazonov, in press.
D 14-19; A 16-19; P 10-11; V 7-8; GR (8-11)+(15-18). Head 2.9-3 .0 in
SL.
A rare but widespread form found in 1 000 - 2 500 m.
From 1 to 3 species may be involved. Benthopelagic.
64.2 Alepocephalus sp. ct. productuslblanfordii: adult? (drawn after Sazonov
& Ivanov, 1980).
64.3 A/epocepha/us sp. (cf. rostratus)
Alepocephalus sp. 4: Sazonov & Ivanov, 1980: 54*. Alepocephalus rostratus: Karrer, 1973: 202.
D 17-25; A 19-24; P 9-11; V 7-9; GR (7-9)+(15-18); maximum body
depth of adults near D origin .
Maximum size exceeds 50 cm SL. Near bottom from
about 300 to 1 600 m and occasionally in midwater over
64: ALEPOCEPHALIDAE (SLICK HEADS)
deeper water; in eastern Atlantic found as far south as 27°S
and in Indian Ocean from near Seychelles. Confusion exists
as to whether there are 1 or 2 species involved . Benthopelagic.
'.
64.3 Alepocephalus sp. ct. rostratus: adult? (drawn after Sazonov & Ivanov,
1980).
Genus Asquamiceps Zugmayer, 1911
Operculum very large, covering base ofP. Five species; 1
known from our area. Genus recently reviewed by Markle
(1980).
64.4 Asquamiceps ve/aris
Zugmayer, 1911
Asquamiceps velaris Zugmayer, 1911: 2 (36°06'N, 09°W); 1911 : 10*;
Markle, 1980: 46; Markle & Quero, 1984: 233* .
D 16-17; A 16-17; P 13-15; V 5; GR (5-6)+(9-12) . Maxilla ends well before rear margin of orbit; orbit 8.9-12.2% SL; 3-4 pyloric caeca; vertebrae
(16-17)+(20-21) = 37.
Attains at least 17 cm SL. One specimen in our area from
33°50'S, 16°04'E. Rare, but widely distributed; North
Atlantic and Pacific in midwater collections between 1 300
and 3 660 m. Bathypelagic.
64.4 Asquamiceps velaris: 16 cm SL (after Zugmayer, 1911).
Genus BajacaliforniaTownsend & Nichols, 1925
At least 4 species; 1 in our area.
64.5 8ajaca/ifornia mega/ops
(Uitken, 1898)
eyclothone (?) megalops Liitken, 1898: 10, Fig. 6 (64°38'N, 32°37'W).
Bajacalifornia megalops: Sazonov & Ivanov, 1980: 27*; Markle &
Sazanov, in press; Markle & Quero, 1984: 234*.
D 17-18; A 13-16; P 13-15; V 7-9; GR (6-8)+(17-21). Orbit 7.2-10.8%
SL or 90-130% of snout (proportions larger in smaller fish); vertebrae
(31-32)+(19-20) = 50-51.
Attains 40 cm SL. Four specimens from Mozambique
Ridge; Atlantic, eastern Pacific and Indian oceans.
219
At least 15 species; 3 in our area. This genus needs revision;
the following should be considered tentative.
64.1 A/epocepha/us australis
Barnard,1923
Alepocephalus australis Barnard, 1923: 440 (off Cape Point); Barnard ,
1925: 121*; Smith, SFSA No. 124*; Parr, 1952: 257; Sazonov & Ivanov ,
1980: 53*; Markle & Sazonov, in press. Alepocephalus barnardi Norman,
1930: 270 (off Cape Point, 700 fms); Smith, SFSA No. 125.
D 16-19; A 17-19; P 9-13; V 7-8; LL 55-60; pyloric caeca 11-16; GR
(7-10)+(13-18). Maximum body depth of adults approximately at origin
ofP.
Attains at least 60 cm SL. Common from about 1 000 to
2600 m; apparently widely distributed in temperate waters
of southern hemisphere; a similar Atlantic form north of
15°S may not be conspecific. Benthopelagic.
64.1 Alepocephalus australis: adult? (after Sazonov & Ivanov, 1980).
64.2 A/epocepha/us sp. (cf. productuslb/anfordii)
Alepocephalus sp. cf. A. productus: Sazonov & Ivanov, 1980: 54* .
Alepocephalus productus: Markle & Quero, 1984: 231* . Alepocephalus
sp.: Markle & Sazonov, in press.
D 14-19; A 16-19; P 10-11; V 7-8; GR (8-11)+(15-18). Head 2.9-3 .0 in
SL.
A rare but widespread form found in 1 000 - 2 500 m.
From 1 to 3 species may be involved. Benthopelagic.
64.2 Alepocephalus sp. ct. productuslblanfordii: adult? (drawn after Sazonov
& Ivanov, 1980).
64.3 A/epocepha/us sp. (cf. rostratus)
Alepocephalus sp. 4: Sazonov & Ivanov, 1980: 54*. Alepocephalus rostratus: Karrer, 1973: 202.
D 17-25; A 19-24; P 9-11; V 7-9; GR (7-9)+(15-18); maximum body
depth of adults near D origin .
Maximum size exceeds 50 cm SL. Near bottom from
about 300 to 1 600 m and occasionally in midwater over
64: ALEPOCEPHALIDAE (SLICK HEADS)
deeper water; in eastern Atlantic found as far south as 27°S
and in Indian Ocean from near Seychelles. Confusion exists
as to whether there are 1 or 2 species involved . Benthopelagic.
'.
64.3 Alepocephalus sp. ct. rostratus: adult? (drawn after Sazonov & Ivanov,
1980).
Genus Asquamiceps Zugmayer, 1911
Operculum very large, covering base ofP. Five species; 1
known from our area. Genus recently reviewed by Markle
(1980).
64.4 Asquamiceps ve/aris
Zugmayer, 1911
Asquamiceps velaris Zugmayer, 1911: 2 (36°06'N, 09°W); 1911 : 10*;
Markle, 1980: 46; Markle & Quero, 1984: 233* .
D 16-17; A 16-17; P 13-15; V 5; GR (5-6)+(9-12) . Maxilla ends well before rear margin of orbit; orbit 8.9-12.2% SL; 3-4 pyloric caeca; vertebrae
(16-17)+(20-21) = 37.
Attains at least 17 cm SL. One specimen in our area from
33°50'S, 16°04'E. Rare, but widely distributed; North
Atlantic and Pacific in midwater collections between 1 300
and 3 660 m. Bathypelagic.
64.4 Asquamiceps velaris: 16 cm SL (after Zugmayer, 1911).
Genus BajacaliforniaTownsend & Nichols, 1925
At least 4 species; 1 in our area.
64.5 8ajaca/ifornia mega/ops
(Uitken, 1898)
eyclothone (?) megalops Liitken, 1898: 10, Fig. 6 (64°38'N, 32°37'W).
Bajacalifornia megalops: Sazonov & Ivanov, 1980: 27*; Markle &
Sazanov, in press; Markle & Quero, 1984: 234*.
D 17-18; A 13-16; P 13-15; V 7-9; GR (6-8)+(17-21). Orbit 7.2-10.8%
SL or 90-130% of snout (proportions larger in smaller fish); vertebrae
(31-32)+(19-20) = 50-51.
Attains 40 cm SL. Four specimens from Mozambique
Ridge; Atlantic, eastern Pacific and Indian oceans.
219