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Larvae Information Summary for
Fundulus parvipinnis
| Main Ref: | Watson, W. 1996 | |||
Yolk-sac larvae
| max | min | mod | Ref. | |
| Length at birth (mm) | 6.8 | 5.6 | ||
| Preanal L. % TL |
| Place of development | planktonic | |||
| Larval area | California Current region | |||
| Yolk-sac | Ref: | |||
| Yolk | Oil globules | |||
| Rows on tail | ||||
| Other melanophores on tail | ||||
Post larvae
| Striking feature | none | |||
| Striking shape lateral | normal (not striking) | dorsal | ||
| Striking feature | none | |||
| Shape of gut | triangular | |||
| Gas bladder early | late | |||
| Spinal armature early | no spines | late | no spines | |
| Pigmentation early | ||||
| Rows on tail | dorsal + ventral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head | |||
| Rows on tail | ventral + lateral row | |||
| Other melanophores on tail | no other melanophores | |||
| Melanophores on head + trunk | melanophores on head + trunk | |||
| Pectorals | normal with few scattered melanophores | |||
| Pelvics | normal (i.e. small or absent) without melanophores | |||
| Robust body; short dorsal and anal approximately opposite one another at midbody; caudal fin rounded, symmetrical; myomeres 8-11 + 24-26 = 36; prominent dorsal, ventral, and midlateral melanophore series, becoming somewhat obscured by heavy dorsolateral pigment after about 9-10 mm; irregularly barred pattern on juveniles. Notochord flexion occurs before hatching. Pigmentation: Larvae: heavy over mid- and hindbrain; light over forebrain and on snout; light on gill cover and dentary; upper half of head becoming heavily pigmented by about 8 mm; 2 rows along dorsal margin and ventral margin of tail; 1 row along lateral midline; dorsolaterally on trunk, spreading caudad and ventrad to cover upper half by 9 mm; ventrolaterally on tail after 9 mm; on and under brain; over and under vertebral column; on caudal, dorsal, and anal fins by about 8.5 mm, on pectoral fins by 10 mm; 0-few ventrally on gut. Juvenile: heavily pigmented dorsally and dorsolaterally, lighter ventrolaterally; irregular barred pattern, mainly on tail. Sequence of fin development: caudal, pectorals, anal, dorsal, pelvics. | ||||
Meristic characters
| max | min | mod | Ref. | |
| Total number of vertebrae | 37 | 34 | 36572 |
| 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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