Larvae Summary

Larvae Information Summary for Zeugopterus punctatus

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Main Ref:

Russell, F.S. 1976

Yolk-sac larvae

	max	min	mod	Ref.
Length at birth (mm)	2.94	2.5	2.6
Preanal L. % TL	49	42.7	45.3	37

Place of development	planktonic
Larval area	to be filled
Yolk-sac	ovoid pigmented	Ref:
Yolk	unsegmented	Oil globules	one oil globuleposteriorventral
Rows on tail	dorsal + ventral row
Other melanophores on tail	tail partly covered with melanophores
Melanophores on head + trunk	melanophores on head + trunk
No melanophores on the caudal extremity. Pigment on the primordial fin concentrated along the outer margins, in theform of V-shaped.

Post larvae

Striking feature	other
Striking shape lateral	short and/or deep	dorsal	compressed
Striking feature	other
Shape of gut	triangular
Gas bladder early	invisible	late	invisible
Spinal armature early	otocystic spines only	late	otocystic spines only
Pigmentation early
Rows on tail	dorsal + ventral row
Other melanophores on tail	tail partly covered with melanophores
Melanophores on head + trunk	melanophores on head + trunk
Pigmentation late
Rows on tail	no rows
Other melanophores on tail	tail completely covered with melanophores
Melanophores on head + trunk	melanophores on head + trunk
Urostyle region early	pigmented	late	pigmented
Peritoneum	covered with melanophores
Pectorals	normal
Pelvics	normal (i.e. small or absent)
The dorsal row of melanophores tends to break up into groups corresponding with those of the fin. Strong pigmentation along the preanal ventral contour, the lower jaw, the snout, and the base of the pectoral fin.

	L 1st feeding	Ref.	Months of presence of larvae
max	4.1		Jan	Feb	Mar	Apr
min	3.8		May	Jun	Jul	Aug
mod	3.95		Sep	Oct	Nov	Dec

Water parameters Metric characters

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