Larvae Summary

Larvae Information Summary for Acanthopagrus australis

( not available )

Main Ref:

Neira, F.J., A.G. Miskiewicz and T. Trnski 1998

Yolk-sac larvae

	max	min	mod	Ref.
Length at birth (mm)			1.7	33616
Preanal L. % TL	50	32

Place of development	planktonic
Larval area	Southwestern Pacific (Macquarie and Tuggerah lakes, and coastal waters off Sydney (NSW)); Northwestern Pacific (Japan)
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	otocystic spines only	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
Pigmentation late
Rows on tail	ventral row
Other melanophores on tail	no other melanophores
Melanophores on head + trunk	melanophores on head
Urostyle region early	pigmented	late	pigmented
Peritoneum	with row of melanophores
Pectorals	normal
Pelvics	normal (i.e. small or absent)
Small anterior and posterior preopercular spines; smooth supracleithral ridge from late flexion stage; 2 large melanophores on ventral surface of gut in preflexion and flexion larvae; 1-3 small melanophores under notochord tip. Sequence of fin formation: caudal (3.4-6.3 mm); dorsal (4.2-7.9 mm); anal (4.2-7.9 mm); pectoral (5.8-8.3 mm); pelvic (5.8-8.6 mm). Larvae settle on the bottom at 10.0-12.0 mm BL.

Meristic characters

	max	min	mod	Ref.
Total number of myomeres	24	24		33616
Preanal number of myomeres	10	7		33616

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

Water parameters Metric characters

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