FishBase |
Main Ref: | Watson, W. and E.M. Sandknop 1996 |
max | min | mod | Ref. | |
Length at birth (mm) | 2.5 | 2 | ||
Preanal L. % TL |
Place of development | planktonic | |||
Larval area | California Current region | |||
Yolk-sac | elongated unpigmented | Ref: | ||
Yolk | segmented | Oil globules | no oil globule | |
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on trunk | |||
Pigmentation: few dorsolaterally along gut; few on ventral margin of tail. |
Striking feature | none | |||
Striking shape lateral | short and/or deep | dorsal | ||
Striking feature | none | |||
Shape of gut | elongated | |||
Gas bladder early | pigmented | late | pigmented | |
Spinal armature early | no spines | late | no spines | |
Pigmentation early | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on trunk | |||
Pigmentation late | ||||
Rows on tail | ventral row | |||
Other melanophores on tail | no other melanophores | |||
Melanophores on head + trunk | melanophores on trunk | |||
Urostyle region early | unpigmented | late | pigmented | |
Peritoneum | with row of melanophores | |||
Pectorals | normal without melanophores | |||
Pelvics | normal (i.e. small or absent) without melanophores | |||
Dorsal fin insertion at postanal myomere 2-3, above anal fin rays 6-8 through postflexion stage; little or no pigment (Usually none) dorsally on hindgut; anal fin rays 23-27; compared with Engraulis mordax, deeper-bodied, greater overlap between dorsal fin insertion and anal fin origin, dorsal finand anal fin ray formation begins before caudal fin ray formation, and more lightly pigmented. Pigmentation: Preflexion-flexion: 2-4 on isthmus; few dorsolaterally along foregut; dorsally on gas bladder; few on ventral margin of hindgut, decreasing during flexion stage; few on ventral margin of tail; little ventrally on caudal finfold and along developing caudal fin rays. Postflexion: internally on mid- and hindbrain after 15 mm; on cleithrum after 11 mm; increasing on gas bladder, ventral margin of tail, and caudal fin; none on ventral margin of hindgut; internally over caudal vertebrae after 16.5 mm; internally on urostyle and lower hypurals. |
max | min | mod | Ref. | |
Total number of myomeres | 42 | 38 | 35602 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | Jan | Feb | Mar | Apr | ||
min | May | Jun | Jul | Aug | ||
mod | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
Back to Search |