FishBase |
Main Ref: | Yokoyama, K., Y. Kamei, M. Toda, K. Hirano and Y. Iwatsuki 1994 |
max | min | mod | Ref. | |
Length at birth (mm) | 2.34 | 2.06 | 2.19 | 37529 |
Preanal L. % TL | 0.54 | 0.4 |
Place of development | planktonic | |||
Larval area | aquarium, broodstock captured off Motobu, Okinawa Prefecture (Nov-Dec 1992) | |||
Yolk-sac | ovoid pigmented | Ref: | 37529 | |
Yolk | unsegmented | Oil globules | one oil globuleanteriordorsalpigmented | |
Rows on tail | ventral row | |||
Other melanophores on tail | tail partly covered with melanophores | |||
Melanophores on head + trunk | melanophores on head + trunk | |||
Hatching occurs 23 hours after fertilization (Ref. 37529). Newly emerged larvae had a large yolk, elongated body, with mouth absent. Total number of myomeres at this stage is 28. Eye is unpigmented for newly hatched larvae. |
Striking feature | none | |||
Striking shape lateral | normal (not striking) | dorsal | tadpole-like | |
Striking feature | none | |||
Shape of gut | spherical or gut loop | |||
Gas bladder early | invisible | late | visible | |
Spinal armature early | several different spines | late | several different spines | |
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 | pigmented | late | pigmented | |
Peritoneum | with row of melanophores | |||
Pectorals | normal | |||
Pelvics | normal (i.e. small or absent) with melanophores | |||
Postanal myomeres = 16-18. In a 15-day old larva, the head was moderately large and compressed, the mouth is large and somewhat oblique with seven pairs of dentary teeth, the corner being behind the level of the anterior margin of the eye. Dorsal spines 6. Pigmentation on the dorsal fin membrane present in late-preflexion larvae. |
max | min | mod | Ref. | |
Total number of myomeres | 27 | 25 | 37529 | |
Preanal number of myomeres | 10 | 9 | 37529 |
L 1st feeding | Ref. | Months of presence of larvae | ||||
max | 3.3 | 37529 | Jan | Feb | Mar | Apr |
min | 3.16 | 37529 | May | Jun | Jul | Aug |
mod | Sep | Oct | Nov | Dec |
Water parameters Metric characters |
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