133: MELAMPHAIDAE (BIGSCALE FISHES)
other populations; Indo-Pacific variants have counts nearer
lower extremes of ranges given above.
133.8 Poromitra oscitans
Ebeling, 1975
Poromitra oscitans Ebeling, 1975: 308, Fig. 1 (Indonesia, Banda Sea);
Parin & Ebeling, 1980: 88.
o III,9-1O; A 1,8; GR (6-7)+(16-18); spines on horizontal edge of
preopercle 5-14, with longest spine at angle much shorter than length of A
base; vertebrae 24-26, with antrorse spine on hemal arch of 1st vertebra.
Head 2.1-2.4; upper jaw 4.0-4.7 SL.
Attains 68 mm SL. Trawled below 800 m in Indian
Ocean, Indonesia, and tropical Pacific.
133.8 Poromitra oscitans: 7 em SL holotype (after Ebeling, 1975).
Genus Scopeloberyx Zugmayer, 1911
Three or 4 species; 1, possibly 3, in our area.
KEY TO SPECIES
la Total GR on 1st arch 20-25 ...................................... S. robustus
Ib Total GR fewer than 17 ...................................................... 2
2a LS 23-25; C peduncle length 3.3-4.0 in SL ............ S.opisthopterus
2b LS 37-40; C peduncle length 2.8-3.1 in SL ................ S. microiepis
133.9 Scope/oberyx micro/epis
(Norman, 1937)
Melamphaes microlepis Norman, 1937: 87 (S. of Tasmania).
Scopeloberyx microlepis: Ebeling, 1962: 19; Ebeling & Weed, 1973: 445.
o II-III, 10-13; A 1,7-9; GR (2-3)+(8-11); vertebrae 28-29. Head
2.9-3.6 in SL. V 5-11 % SL behind P. Jaw teeth in 2-3 rows.
Attains 41 mm SL. Trawled below 500 m, generally south
of 30° in South Pacific and Indian oceans.
133.9 Scopeloberyx microlepis: 5 em holotype.
430
133.10 Scope/oberyx opisthopterus
(Parr, 1933)
Melamphaes opisthopterus Parr, 1933: 18, Fig. 7 (western North
Atlantic). Scopeloberyx opisthopterus: Ebeling, 1962: 19; Ebeling &
Weed, 1973: 449*.
o II-III,11-12; A 1,7-8; GR (2-4)+(10-13); vertebrae 24-27. Head
2.8-3.3 in SL. V 5-11 % SL behind P. Jaw teeth in 3-5 rows.
Attains 37 mm SL. Trawled below 500 m throughout
western tropical North Atlantic, tropical Indian Ocean, and
eastern equatorial Pacific.
133.10 Scopeloberyx opisthopterus: 3.5 em (after Ebeling & Weed, 1973).
133.11 Scope/oberyx robustus
(Gunther, 1887)
Melamphaes robustus Giinther, 1887: 29 (SW of Sierra Leone).
Scopeloberyx robustus: Ebeling, 1962: 19; Ebeling & Weed, 1973: 446*.
o II-III,1O-13; A 1,7-9; GR (5-7)+(15-19); LS 24-27; vertebrae 23-27.
Head 2.2-2.8, length of C peduncle 3.7-4.8 in SL. V less than 5% SL behind P. Jaw teeth in 2-4 rows.
Attains 73 mm SL. Trawled below 500 m throughout
entire range of family. Significant morphological variation
between Indo-Pacific and other populations; size at sexual
maturity varies from 25-33 mm iIi some areas to more than
50 mm SL in others (Ebeling & Weed, 1973).
133.11 Seopeloberyx robustus: 8.5 em SL (after Ebeling & Weed, 1973).
Genus Scopelogadus Vaillant, 1888
Four species and subspecies; 2 in our area.
other populations; Indo-Pacific variants have counts nearer
lower extremes of ranges given above.
133.8 Poromitra oscitans
Ebeling, 1975
Poromitra oscitans Ebeling, 1975: 308, Fig. 1 (Indonesia, Banda Sea);
Parin & Ebeling, 1980: 88.
o III,9-1O; A 1,8; GR (6-7)+(16-18); spines on horizontal edge of
preopercle 5-14, with longest spine at angle much shorter than length of A
base; vertebrae 24-26, with antrorse spine on hemal arch of 1st vertebra.
Head 2.1-2.4; upper jaw 4.0-4.7 SL.
Attains 68 mm SL. Trawled below 800 m in Indian
Ocean, Indonesia, and tropical Pacific.
133.8 Poromitra oscitans: 7 em SL holotype (after Ebeling, 1975).
Genus Scopeloberyx Zugmayer, 1911
Three or 4 species; 1, possibly 3, in our area.
KEY TO SPECIES
la Total GR on 1st arch 20-25 ...................................... S. robustus
Ib Total GR fewer than 17 ...................................................... 2
2a LS 23-25; C peduncle length 3.3-4.0 in SL ............ S.opisthopterus
2b LS 37-40; C peduncle length 2.8-3.1 in SL ................ S. microiepis
133.9 Scope/oberyx micro/epis
(Norman, 1937)
Melamphaes microlepis Norman, 1937: 87 (S. of Tasmania).
Scopeloberyx microlepis: Ebeling, 1962: 19; Ebeling & Weed, 1973: 445.
o II-III, 10-13; A 1,7-9; GR (2-3)+(8-11); vertebrae 28-29. Head
2.9-3.6 in SL. V 5-11 % SL behind P. Jaw teeth in 2-3 rows.
Attains 41 mm SL. Trawled below 500 m, generally south
of 30° in South Pacific and Indian oceans.
133.9 Scopeloberyx microlepis: 5 em holotype.
430
133.10 Scope/oberyx opisthopterus
(Parr, 1933)
Melamphaes opisthopterus Parr, 1933: 18, Fig. 7 (western North
Atlantic). Scopeloberyx opisthopterus: Ebeling, 1962: 19; Ebeling &
Weed, 1973: 449*.
o II-III,11-12; A 1,7-8; GR (2-4)+(10-13); vertebrae 24-27. Head
2.8-3.3 in SL. V 5-11 % SL behind P. Jaw teeth in 3-5 rows.
Attains 37 mm SL. Trawled below 500 m throughout
western tropical North Atlantic, tropical Indian Ocean, and
eastern equatorial Pacific.
133.10 Scopeloberyx opisthopterus: 3.5 em (after Ebeling & Weed, 1973).
133.11 Scope/oberyx robustus
(Gunther, 1887)
Melamphaes robustus Giinther, 1887: 29 (SW of Sierra Leone).
Scopeloberyx robustus: Ebeling, 1962: 19; Ebeling & Weed, 1973: 446*.
o II-III,1O-13; A 1,7-9; GR (5-7)+(15-19); LS 24-27; vertebrae 23-27.
Head 2.2-2.8, length of C peduncle 3.7-4.8 in SL. V less than 5% SL behind P. Jaw teeth in 2-4 rows.
Attains 73 mm SL. Trawled below 500 m throughout
entire range of family. Significant morphological variation
between Indo-Pacific and other populations; size at sexual
maturity varies from 25-33 mm iIi some areas to more than
50 mm SL in others (Ebeling & Weed, 1973).
133.11 Seopeloberyx robustus: 8.5 em SL (after Ebeling & Weed, 1973).
Genus Scopelogadus Vaillant, 1888
Four species and subspecies; 2 in our area.