Plesiops bleekeri Günther, 1861
Paraplesiops bleekeri, commonly known as the eastern blue devil, blue-tipped long-fin or Bleeker's blue devil fish, is a species of fish in the family Plesiopidae. This colourful, secretive fish is endemic to Australia, where it is a protected species.
This species grows to 40 cm, and is recognizable by blue and white bands on the body, blue spots on the head, and blue dorsal and anal fins. It also has a yellow base, pectoral, and caudal fins. The pelvic, posterior dorsal, and anal fins are all elongated.
This species is shy and secretive. Males have appeared to defend territories in caves or overhangs, where it remains to attract females and drive males away. They are most active at night.
Paraplesiops bleekeri are benthic coastal reef inhabitants. They live inside caves, under ledges and overhangs in reefs and estuaries. The Devil in the Deep: Expanding the Known Habitat of a Rare and Protected Fish |journal=European Journal of Ecology |date=28 August 2018 |volume=4 |issue=1 |pages=22–29 |doi=https://doi.org/10.2478/eje-2018-0003}}</ref>. They were considered to inhabit waters ranging from 3 to 30 metres in depth, and are most often encountered in shallow waters less than 20 metres, however, recent observations suggest they also inhabit offshore reefs down to at least 50 metres.
This fish is known to eat brittle stars.
They are protected because of their low abundance, and their desirability in the marine aquarium industry.
Efforts to protect them have included the conservation and protection of benthic estuarine habitats, as well as rocky offshore reef areas where they breed. Some protected habitats are:
- Solitary Islands Marine Park
- Port Stephens – Great Lakes Marine Park
- Jervis Bay Marine Park
- Long Reef Aquatic Reserve
- Bushrangers Bay Aquatic Reserve
- Eastern Blue Devil, Paraplesiops bleekeri (Günther, 1861) – Australian Museum
- Paraplesiops bleekeri, Eastern blue devil : aquarium
- WoRMS – World Register of Marine Species – Paraplesiops bleekeri (Günther, 1861)
- Fetterplace, Lachlan C.; Turnbull, John W.; Knott, Nathan A.; Hardy, Natasha A. (28 August 2018). "Natural History Report. The Devil in the Deep: Expanding the Known Habitat of a Rare and Protected Fish". European Journal of Ecology. 4 (1): 22–29. doi:10.2478/eje-2018-0003.
- Eastern Blue Devil Fish Paraplesiops bleekeri
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- Fetterplace, LC.; Turnbull, JW.; Knott, NA.; Hardy, NA. (2018). "The Devil in the Deep: Expanding the Known Habitat of a Rare and Protected Fish". European Journal of Ecology. 4 (1): 22–29. https://doi.org/10.2478/eje-2018-0003
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