Trachinops

Bluelined hulafish

Bluelined hulafish, Trachinops brauni

The Bluelined hulafish, or Braun’s hulafish, is a little known species found in the subtropical waters of Australia. It is a small fish reaching a length of three inches with a bright blue stripe running horizontally from head to tail. It is a schooling fish and can be found in large numbers feeding on zooplankton. A nesting species, males of this species are believed to protect the eggs until hatching.

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Yellowhead hulafish

Yellowhead hulafish, Trachinops noarlungae

The Yellowhead hulafish, or Yellow-headed pretty fin as it is also known, is a small schooling fish often found under jetties or on rocky reefs. It is endemic to the temperate waters of Southern and Western Australia. This relatively small species reaches a length of only four inches and can be found in large schools. The Yellowhead hulafish is named for the yellow coloring on its head and its dancing like movements in the water.