Overview

Comprehensive Description

Biology

Adults inhabit deep offshore trawling grounds (Ref. 7247). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Distribution

Southwest Pacific: off southeastern Australia and the Norfolk Island Ridge.
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Southwestern Pacific: southeastern Australia and Norfolk Island Ridge.
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Physical Description

Morphology

Dorsal spines (total): 13; Dorsal soft rays (total): 13 - 14; Analspines: 2; Analsoft rays: 11 - 12
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Size

Maximum size: 125 mm SL
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Max. size

12.5 cm SL (male/unsexed; (Ref. 7247))
  • Allen, G.R. 1991 Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
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Type Information

Paratype for Chromis abyssicola Allen & Randall
Catalog Number: USNM 270463
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): R. Mckay
Year Collected: 1976
Locality: Norfolk Island Ridge: approximately 60 km South of Norfolk Island., Norfolk Island, Pacific
Depth (m): 90 to 90
Vessel: Kaiyo Maru
  • Paratype: Allen, G. R. & Randall, J. E. 1985. Records of the Western Australian Museum. 12 (2): 242, 1.
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Ecology

Habitat

Environment

reef-associated; non-migratory; marine; depth range 90 - 152 m
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Depth range based on 3 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 90 - 128
  Temperature range (°C): 17.065 - 19.022
  Nitrate (umol/L): 1.738 - 4.022
  Salinity (PPS): 35.519 - 35.649
  Oxygen (ml/l): 4.909 - 4.970
  Phosphate (umol/l): 0.272 - 0.421
  Silicate (umol/l): 2.108 - 2.428

Graphical representation

Depth range (m): 90 - 128

Temperature range (°C): 17.065 - 19.022

Nitrate (umol/L): 1.738 - 4.022

Salinity (PPS): 35.519 - 35.649

Oxygen (ml/l): 4.909 - 4.970

Phosphate (umol/l): 0.272 - 0.421

Silicate (umol/l): 2.108 - 2.428
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 90 - 152m.
From 90 to 152 meters.

Habitat: reef-associated. Inhabits deep offshore trawling grounds.
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Life History and Behavior

Life Cycle

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
  • Breder, C.M. and D.E. Rosen 1966 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205)
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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