| FishBase |
Larvae Information Summary for
Derichthys serpentinus
| Main Ref: | Charter, S.R. 1996 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | 5.5 | |||
| Preanal L. % TL |
| Place of development | planktonic | |||
| Larval area | California Current Region; Japan | |||
| Yolk-sac | Ref: | |||
| Yolk | segmented | Oil globules | more than one oil globule | |
Post larvae
| Striking feature | teeth clearly visible | |||
| Striking shape lateral | eel-like | dorsal | ||
| Striking feature | teeth clearly visible | |||
| Shape of gut | tube-like | |||
| Gas bladder early | late | |||
| Spinal armature early | late | |||
| Leptocephalus larva; nephros at about myomere 62 (58-65); moderate-sized leptocephali; caudal region curved in preserved specimens; distinctive pigmentation. Pigmentation: similar through all stages; postanal series (minute), just below the lateral midline. Sequence of fin development: dorsal, anal, caudal, pectoral. | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of myomeres | 137 | 131 | 134 | 35591 |
| 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 |