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Notolabrus gymnogenis facts for kids

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Notolabrus gymnogenis
Notolabrus gymnogenis (male).jpg
male
Notolabrus gymnogenis.jpg
female
Conservation status
Scientific classification
Synonyms
  • Notolabrus gymnogenis (Günther, 1862)
  • Pseudolabrus cyprinaceous Whitley, 1931
  • Labrichthys gymnogenis Günther, 1862
  • Pseudolabrus gymnogenis (Günther, 1862)
  • Labrichthys nigromarginatus Macleay, 1878
  • Pseudolabrus nigromarginatus (Macleay, 1878)

Notolabrus gymnogenis, commonly known as the crimson banded wrasse, is a species of fish in the family Labridae. This colourful fish is endemic to Eastern Australia.

Description

This species grows to ~40 cm, and is like many wrasses, its colour changes over different stages of its life. Juveniles are greenish brown with rows of white spots along the sides. Females are reddish to brownish-orange with rows of white spots along the sides. Males are brightly coloured with red dorsal and anal fins, a red band around the rear of the body, a white caudal peduncle and a yellow caudal fin. The largest male recorded had a standard length of 23 centimetres (9.1 in).

Distribution

The fish is found in coastal waters of eastern Australia from Hervey Bay, Queensland to Lakes Entrance, Victoria and also in Tasmania. It has also been recorded from Lord Howe Island.

Behaviour

Males are territorial and will defend a territory against other males. They are protogynous being born female, and changing sex to a male later on in life, at a standard length of 13–20 centimetres (5.1–7.9 in). The males gather a harem pf around 10 females and juveniles into their territory. This is an oviparous fish which forms pairs to spawn.

Habitat

Notolabrus gymnogenis are benthic coastal reef inhabitants and are commonly found on reef in New South Wales. Found in depths of 4–53 metres (13–174 ft).

Diet

Notolabrus gymnogenis feeds mostly on benthic invertebrates, the juveniles mostly prey on amphipods, while the larger individuals prey on decapods, gastropods and bivalves.

Human usage

Notolabrus gymnogenis is a quarry for recreational fishing and has also been recorded being sold commercially in the Sydney Fish market 2005.

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