striped jack

striped jack

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VNN is included of the family of Nodaviridae that infect fish belong to the genus Betanodavirus for which the type species is striped jack nervous necrosis virus (SJNNV) [4].
One of the initial multiplication sites of the virus in larval striped jack was the spinal cord just above the swimbladder; then the virus spread backward to the end of spinal cord and forward to the brain to terminate in the retina probably via the optic nerve.
Properties of a new virus belonging to Nodaviridae found in larval striped jack (Pseudocaranx dentex) with nervous necrosis.
Progression of striped jack nervous necrosis virus (SJNNV) infection in naturally and experimentally infected striped jack Pseudocaranx dentex larvae.
We therefore investigated the light sensitivity, spectral sensitivity, and temporal visual resolution of juvenile Pacific bluefin tunas by using an electroretinogram (ERG) technique, and we compared the results with those obtained in chub mackerel (a pelagic scombrid fish) and striped jack (Pseudocaranx dentex), a coastal carangid fish.
The juvenile striped jack specimens used in this experiment were obtained from the Fisheries Laboratory of Kinki University, Shirahama Station.
Before the experiment, the chub mackerel and striped jack were dark-adapted for at least 1 h in a circular tank (500 1) placed in a light-tight room before their dark adaptation was completed in a light-tight metal box (see below).
Response versus light intensity curves were constructed for the different wavelengths, and these curves were then used to interpolate the threshold of incident light intensity required to generate criterion responses of 180 or 300 [micro]V in the Pacific bluefin tuna (n = 6) and 200, 450, or 500 [micro]V in the striped jack (n = 4).
Presently, a new sea ranching project is being developed, in which artificially reared juvenile striped jack, Pseudocaranx dentex, are released at a floating platform where they naturally aggregate.
The ontogenetic changes in association behavior in striped jack, Pseudocaranx dentex, were therefore studied with hatchery-raised larvae and juveniles.
We observed only horizontal distributions as an index of association behavior because in hatchery tanks, larvae and early juveniles of striped jack usually occur in the upper 30 cm of the water column.
4), showing that striped jack begin association behavior at 12 mm in TL with both transparent and gray objects.