Port Jackson Glassfish, Port Jackson Glassfish, Port Jackson Perchlet
Ambassis jacksoniensis, Jervis Bay, New South Wales, Australia, Photo: Graham Edgar
Temperate Australasia, Tropical Indo-Pacific
Body translucent and slender, dorsal fin deeply-notched and transparent, rounded snout. Generally noticed by divers under jetties and along breakwaters, where animals can shelter from predators and feed on passing plankton.
Occurrence describes how often the species is found on surveys within its distribution.
It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
Abundance: Large aggregations (262 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: GJ Edgar. 2008. Australian Marine Life. New Holland, Sydney