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Larvae Information Summary for
Bathycongrus macrurus
| Main Ref: | Charter, S.R. 1996 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | ||||
| Preanal L. % TL |
| Place of development | planktonic | |||
| Larval area | Ranges from Cabo San Lucas (Baja California, Sur) to Colombia | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
Post larvae
| Striking feature | ||||
| Striking shape lateral | dorsal | |||
| Striking feature | ||||
| Shape of gut | tube-like | |||
| Gas bladder early | late | |||
| Spinal armature early | late | |||
| Leptocephalus larva; nephros at about myomere 48 (46-50); elongate body; crescentic pigment patches over and under eye; pointed tail. Pigmentation: crescentic patches over and below eye; 1-2 melanophores on operculum; 2 over heart; series midlaterally; paired series ventrally along gut; pigments on dorsal, caudal and anal fin bases. Sequence of fin development: caudal, dorsal, anal and pectoral. | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of myomeres | 148 | 135 | 141 | 35590 |
| 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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