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Larvae Information Summary for
Bathysaurus ferox
| Main Ref: | Porteiro, F.M., O. Melo, J.P. Barreiros and L. Gallagher 1998 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | ||||
| Preanal L. % TL | 77.3 | 70.5 |
| Place of development | planktonic | |||
| Larval area | Northeastern Atlantic | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
Post larvae
| Striking feature | some dorsal fin rays very elongated | |||
| Striking shape lateral | normal (not striking) | dorsal | ||
| Striking feature | some dorsal fin rays very elongated | |||
| Shape of gut | spherical or gut loop | |||
| Gas bladder early | late | |||
| Spinal armature early | late | |||
| Pectorals | strikingly large | |||
| Pelvics | with elongated fin rays | |||
| Three developmental stages were observed: Stage 1: 33-40.6 mm SL Stage 2: 110-112 mm SL Stage 3: 127 mm SL Length of posterior dorsal and anal rays increased. | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of myomeres | 62 | 41736 |
| 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 |
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