| FishBase |
Larvae Information Summary for
Sphoeroides maculatus
| Main Ref: | Scotton, L.N., R.E. Smith, N.S. Smith, K.S. Price and D.P. de Sylva 1973 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | 2.4 | 1.9 | ||
| Preanal L. % TL |
| Place of development | planktonic | |||
| Larval area | Northwestern Atlantic (Delaware Bay) | |||
| Yolk-sac | elongated pigmented | Ref: | ||
| Yolk | Oil globules | more than one oil globule | ||
| Rows on tail | ventral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| The eyes become pigmented on the second or third day and feeding starts on the fourth day (Ref. 240). Coloration consists of red, orange, yellow, and black chromatophores distributed over the body. On the 5th day after hatching, tubercles observed on the ventral surface. | ||||
Post larvae
| Striking feature | none | |||
| Striking shape lateral | other | dorsal | ||
| Striking feature | none | |||
| Shape of gut | triangular | |||
| Gas bladder early | late | |||
| Spinal armature early | late | |||
| Pigmentation early | ||||
| Rows on tail | ventral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Pigmentation late | ||||
| Rows on tail | ventral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Urostyle region early | unpigmented | late | unpigmented | |
| Pectorals | normal | |||
| Postlarvae measures 7.35 mm. Resemble adults at even less than 7 mm. | ||||
| 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 |