Larvae Summary

Larvae Information Summary for Uranoscopus scaber

( not available )

Main Ref:

Bertolini, F., U. D'Ancona, E. Padoa Montalenti, S. Ranzi, L. Sanzo, A. Sparta, E. Tortonese and M. Vialli 1956

Yolk-sac larvae

	max	min	mod	Ref.
Length at birth (mm)	4	3.5	3.8
Preanal L. % TL			53.7

Place of development	planktonic
Larval area	Mediterranean
Yolk-sac	spherical pigmented	Ref:
Yolk	unsegmented	Oil globules	no oil globule
Rows on tail	dorsal + ventral row
Other melanophores on tail	tail partly covered with melanophores
Melanophores on head + trunk	melanophores on head + trunk
Some small chromatophores on primordial fin near caudal region. Many stellate melanophores on body. The primordial fin reaches in front of the upper jaw.

Post larvae

Striking feature	other
Striking shape lateral	short and/or deep	dorsal	tadpole-like
Striking feature	other
Shape of gut	triangular
Gas bladder early		late
Spinal armature early	no spines	late	several different spines
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	covered with melanophores
Pectorals	normal with rows of melanophores
Pelvics	normal (i.e. small or absent)
Eyes migrate to the upper side of the head. Number of finrays: 1st D 4; 2nd D 14; A 13; a large caudal fin with 12 principal rays. Two pairs of postero-dorsal spines on the head. Body heavily pigmented except for the tail's extreme region.

	L 1st feeding	Ref.	Months of presence of larvae
max	5		Jan	Feb	Mar	Apr
min	4		May	Jun	Jul	Aug
mod	4.5		Sep	Oct	Nov	Dec

Water parameters Metric characters

php script by kbanasihan, 09/07/10 , last modified by sortiz, 09/08/17