Metallic blue above, silvery below; C hyaline to dusky
and D lobe dark distally; small black opercular spot.
Attains 35 cm. A schooling species usually taken by trawl in
30 to at least 170 m; reported to occur much deeper. Widespread in Indo-Pacific from Knysna northward; also in tropical eastern Pacific.
210.27 Oecapterus macrosoma: 21 cm FL.
Round scad
210.28 Decapterus punctatus
(Cuvier, 1829)
Ronde skad
Caranx punctatus Cuvier, 1829: 208 (replacement name for Mitchill's
"Scomber hippos"; New York Mkt.); Agassiz, in Spix & Agassiz,
1831: 108, PI. 56, Fig. 2 (Atlantic Ocean, probably Brazil). Caranx
sanctaehelenae Cuvier, in Cuv. & Val., 1833: 37 (St. Helena); Smith,
SFSA No. 529. Decapterus punctatus: Smith, 1965: 19.
D VIII + 1,30-34+ 1; A II + 1,26-29+ 1; LL (curved) 48-62 scales and 0-7
scutes, LL (straight) 0-2 scales and 32-42 scutes, LL (total) 79-102; GR
(11-15)+(31-41). Rear end of upper jaw slightly concave above, rounded
and produced below. Upper jaw with single row of minute teeth. Interorbital scales usually extending to above front margin of eye.
Greenish above, whitish below; adults with 3-14 small
black spots on curved LL; small black opercular spot.
Attains 25 cm. Occurs in shelf waters on both sides of Atlantic from surface to 100 m; one specimen from Walvis Bay.
210.28 Decapterus punctatus: 18 cm FL; gill chamber to show two small
papillae on cleithrum.
210: CARANGIDAE (KINGFISHES)
Indian scad
210.29 Decapterus russelli
(Ruppel!, 1830)
Indiese skad
Caranx russelli Riippell, 1830: 99 (Red Sea). Caranx kiliche Cuvier, in
Cuv. & Val., 1833: 43 (Pondicherry, India). Decapterus russelli Smith,
SFSA No. 530. Decapterus punctatus (non Cuvier): Smith, SFSA No. 531.
D VIII+I,28-31+ 1; A II +1,25-28+1; LL (curved) 42-62 scales and 0-4
scutes, LL (straight) 0-4 scales and 30-40 scutes, LL (total) 77-102;
GR(1O-14)+(30-39). Upper jaw with single series of minute teeth. Margin
of opercular membrane smooth.
Bluish green above, silvery below; C l1yaline to dusky
yellow and D hyaline basally, light dusky distally; small
black opercular spot. Attains~8 cm. Reaches sexual maturity during first year of life at about 12 cm. The most common
Indian Ocean Decapterus in coastal waters and on open
banks at depths to 100 m. Durban northward to Japan and
Australia.
210.29 Decapterus russelli: 21 cm FL.
Roughear scad
210.30 Decapterus tabl
Berry, 1968
Skuuroor-skad
Decapterus tabl Berry, 1968: 152, Fig. 1 (Colombia).
D VIII+I,30-31 + 1; A 11+1,24-25+ 1; LL (curved) 61-71 scales and no
scutes, LL (straight) 4-10 scales and 30-40 scutes, LL (total) 103-113; GR
210.30 Decapterus tabl: 35.5 cm FL; gill chamber to show two small
papillae on cleithrum.
651
and D lobe dark distally; small black opercular spot.
Attains 35 cm. A schooling species usually taken by trawl in
30 to at least 170 m; reported to occur much deeper. Widespread in Indo-Pacific from Knysna northward; also in tropical eastern Pacific.
210.27 Oecapterus macrosoma: 21 cm FL.
Round scad
210.28 Decapterus punctatus
(Cuvier, 1829)
Ronde skad
Caranx punctatus Cuvier, 1829: 208 (replacement name for Mitchill's
"Scomber hippos"; New York Mkt.); Agassiz, in Spix & Agassiz,
1831: 108, PI. 56, Fig. 2 (Atlantic Ocean, probably Brazil). Caranx
sanctaehelenae Cuvier, in Cuv. & Val., 1833: 37 (St. Helena); Smith,
SFSA No. 529. Decapterus punctatus: Smith, 1965: 19.
D VIII + 1,30-34+ 1; A II + 1,26-29+ 1; LL (curved) 48-62 scales and 0-7
scutes, LL (straight) 0-2 scales and 32-42 scutes, LL (total) 79-102; GR
(11-15)+(31-41). Rear end of upper jaw slightly concave above, rounded
and produced below. Upper jaw with single row of minute teeth. Interorbital scales usually extending to above front margin of eye.
Greenish above, whitish below; adults with 3-14 small
black spots on curved LL; small black opercular spot.
Attains 25 cm. Occurs in shelf waters on both sides of Atlantic from surface to 100 m; one specimen from Walvis Bay.
210.28 Decapterus punctatus: 18 cm FL; gill chamber to show two small
papillae on cleithrum.
210: CARANGIDAE (KINGFISHES)
Indian scad
210.29 Decapterus russelli
(Ruppel!, 1830)
Indiese skad
Caranx russelli Riippell, 1830: 99 (Red Sea). Caranx kiliche Cuvier, in
Cuv. & Val., 1833: 43 (Pondicherry, India). Decapterus russelli Smith,
SFSA No. 530. Decapterus punctatus (non Cuvier): Smith, SFSA No. 531.
D VIII+I,28-31+ 1; A II +1,25-28+1; LL (curved) 42-62 scales and 0-4
scutes, LL (straight) 0-4 scales and 30-40 scutes, LL (total) 77-102;
GR(1O-14)+(30-39). Upper jaw with single series of minute teeth. Margin
of opercular membrane smooth.
Bluish green above, silvery below; C l1yaline to dusky
yellow and D hyaline basally, light dusky distally; small
black opercular spot. Attains~8 cm. Reaches sexual maturity during first year of life at about 12 cm. The most common
Indian Ocean Decapterus in coastal waters and on open
banks at depths to 100 m. Durban northward to Japan and
Australia.
210.29 Decapterus russelli: 21 cm FL.
Roughear scad
210.30 Decapterus tabl
Berry, 1968
Skuuroor-skad
Decapterus tabl Berry, 1968: 152, Fig. 1 (Colombia).
D VIII+I,30-31 + 1; A 11+1,24-25+ 1; LL (curved) 61-71 scales and no
scutes, LL (straight) 4-10 scales and 30-40 scutes, LL (total) 103-113; GR
210.30 Decapterus tabl: 35.5 cm FL; gill chamber to show two small
papillae on cleithrum.
651