Larvae Summary

Larvae Information Summary for Eutaeniophorus festivus

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Main Ref:

Charter, S.R. and H.G. Moser 1996

Yolk-sac larvae

	max	min	mod	Ref.
Length at birth (mm)	6.5
Preanal L. % TL

Place of development	planktonic
Larval area	Northeastern Pacific (California Current region); Northwestern Pacific (Japan)
Yolk-sac		Ref:
Yolk		Oil globules
Rows on tail
Other melanophores on tail

Post larvae

Striking feature	other
Striking shape lateral	eel-like	dorsal
Striking feature	other
Shape of gut	tube-like
Gas bladder early		late
Spinal armature early		late
Pigmentation early
Rows on tail	no rows
Other melanophores on tail	tail partly covered with melanophores
Melanophores on head + trunk	melanophores on head + trunk
Rows on tail	no rows
Other melanophores on tail	tail partly covered with melanophores
Melanophores on head + trunk	melanophores on head + trunk
Peritoneum	with row of melanophores
Pectorals	normal without melanophores
Pelvics	fin rays only without melanophores
Total myomeres 47-55, predorsal myomeres 31-36; caudal streamer; elongate body; body depth <10% BL; in later stages, lack of pigment patch distally on pelvic fins. Pigmentation: finely scattered on head and body, increasing slightly with length; slight increase in density toward tail, dorsally on peritoneum, and along ventral myosepta; occasionally a row dorsally along myosepta; denser on caudal streamer and caudal fin rays at base; fully developed streamer has a median stripe and nearly black border. Sequence of fin development: dorsal and anal, pelvics, caudal, pectorals.

Meristic characters

	max	min	mod	Ref.
Total number of myomeres	55	47		36689

	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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