Overview

Comprehensive Description

Biology

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).
  • Randall, J.E. 2001 Four new damselfishes (Perciformes: Pomacentridae) from the Marquesas Islands. Copeia 2001(1):92-107. (Ref. 39287)
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Distribution

Marquesas Islands.
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Eastern Central Pacific: Marquesas Islands.
  • Randall, J.E. 2001 Four new damselfishes (Perciformes: Pomacentridae) from the Marquesas Islands. Copeia 2001(1):92-107. (Ref. 39287)
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Physical Description

Morphology

Dorsal spines (total): 12; Dorsal soft rays (total): 11 - 13; Analspines: 2; Analsoft rays: 11 - 12; Vertebrae: 26
  • Randall, J.E. 2001 Four new damselfishes (Perciformes: Pomacentridae) from the Marquesas Islands. Copeia 2001(1):92-107. (Ref. 39287)
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Size

Max. size

5.4 cm SL (male/unsexed; (Ref. 39287))
  • Randall, J.E. 2001 Four new damselfishes (Perciformes: Pomacentridae) from the Marquesas Islands. Copeia 2001(1):92-107. (Ref. 39287)
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Diagnostic Description

Body very dark gray-brown, depth 1.95-2.1 in SL. Caudal fin abruptly white. Narrow posterior part of dorsal and anal fins hyaline. Base of pectoral fins with a large black spot. Upper and lower spiniform procurrent caudal rays 2; upper and lower 2 branched caudal rays filamentous and often very long. Tube lateral line scales 16-18, rarely 16. Free margin of subopercle nearly reaching a vertical at rear margin of pupil.
  • Randall, J.E. 2001 Four new damselfishes (Perciformes: Pomacentridae) from the Marquesas Islands. Copeia 2001(1):92-107. (Ref. 39287)
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Type Information

Paratype for Chromis abrupta Randall
Catalog Number: USNM 359630
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): J. Randall & et al.
Year Collected: 1971
Locality: Marquesas Islands: Fatu Hiva, Fatu Hiva, Marquesas Islands, Pacific
  • Paratype: Randall, J. E. 16 Feb. 2001. Copeia. 2001 (1): 93, figs 1-2.
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Ecology

Habitat

Environment

reef-associated; marine; depth range 0 - 22 m (Ref. 39287)
  • Randall, J.E. 2001 Four new damselfishes (Perciformes: Pomacentridae) from the Marquesas Islands. Copeia 2001(1):92-107. (Ref. 39287)
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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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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Chromis abrupta

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
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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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