Overview

Comprehensive Description

Biology

Found over hard, open bottoms at the bases of reefs and over sand and rubble patches (Ref. 1602); also observed in deep coastal to outer reef drops-offs subject to strong currents (Ref. 48637). Often in pairs (Ref. 1602). Monogamous (Ref. 52884). Feeds on zooplankton, especially copepods and crustacean larvae. Darts into a hole when alarmed (Ref. 1602). Minimum depth reported from Ref. 27115.
  • Randall, J.E., G.R. Allen and R.C. Steene 1990 Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
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Distribution

Indo-Pacific: Mauritius to Samoa, north to Ryukyu Islands, south to New Caledonia.
  • Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
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Red Sea, Indo-West Pacific: Réunion and Mauritius (western Mascarenes) east to Pohnpei (Micronesia) and Samoa, north to Ryukyu Islands and Taiwan, south to New Caledonia.
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Physical Description

Morphology

Dorsal spines (total): 7; Dorsal soft rays (total): 27 - 32; Analspines: 1; Analsoft rays: 28 - 31
  • Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
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Size

Maximum size: 90 mm NG
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Max. size

9.0 cm TL (male/unsexed; (Ref. 9710))
  • Lieske, E. and R. Myers 1994 Collins Pocket Guide. Coral reef fishes. Indo-Pacific & Caribbean including the Red Sea. Haper Collins Publishers, 400 p. (Ref. 9710)
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Diagnostic Description

Description: Characterized by having violet snout and mid-dorsal stripe on head; anterior body pale grey grading to purplish black on posterior half; caudal fin with broad red lobes and central bluish area; fish from Andaman Islands with more vivid violet and duller red portions; longitudinal scale series 135-160; elevated first dorsal fin, not extending beyond anterior one-third of second dorsal fin; posterior body scales with ctenii, usually less than 10; posterior most rays of dorsal and anal fins frequently branched in adult (Ref. 90102).
  • Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
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Description

Found over hard, open bottoms at the bases of reefs and over sand and rubble patches (Ref. 1602). Often in pairs (Ref. 1602). Feeds on zooplankton, especially copepods and crustacean larvae. Darts into a hole when alarmed (Ref. 1602).
  • Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
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Type Information

Paratype for Nemateleotris decora Randall & Allen
Catalog Number: USNM 209307
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): G. Allen & W. Starck
Year Collected: 1972
Locality: Palau Island; Augulupelu Reef, Palau Islands, Palau, Caroline Islands, Pacific
Depth (m): 46 to 46
  • Paratype: Randall, J. E. & Allen, G. R. 1973. Quarterly Journal of the Taiwan Museum. 26 (3-4): 347-36.
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Ecology

Habitat

Environment

reef-associated; marine; depth range 25 - 70 m (Ref. 1602), usually 25 - 70 m (Ref. 27115)
  • Baensch, H.A. and H. Debelius 1997 Meerwasser atlas. Mergus Verlag GmbH, Postfach 86, 49302, Melle, Germany. 1216 p. 3rd edition. (Ref. 27115)
  • Myers, R.F. 1991 Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
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Depth: 25 - 70m.
From 25 to 70 meters.

Habitat: reef-associated. Found over hard, open bottoms at the bases of reefs and over sand and rubble patches (Ref. 1602). Often in pairs (Ref. 1602). Feeds on zooplankton, especially copepods and crustacean larvae. Darts into a hole when alarmed (Ref. 1602). Occurs from the Ryukyu Islands to the Great Barrier Reef and west to the Maldives and Mauritius.
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Trophic Strategy

Found over hard, open bottoms at the bases of reefs and over sand and rubble patches. Feeds on zooplankton, especially copepods and crustacean larvae.
  • Randall, J.E., G.R. Allen and R.C. Steene 1990 Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Nemateleotris decora

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 4 barcode sequences available from BOLD and GenBank.

Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

CCTCTACTTAGTATTTGGTGCTTGGGCCGGCATGGTAGGCACGGCTCTAAGTCTGCTCATTCGGGCGGAGCTTAGCCAGCCAGGCGCCCTACTAGGGGACGACCAGATCTACAACGTAATCGTCACTGCTCACGCATTCGTGATGATTTTCTTTATAGTAATGCCAATTATGATTGGGGGTTTCGGAAACTGACTTGTACCCCTAATGATTGGGGCCCCTGACATGGCCTTCCCTCGAATAAACAACATGAGCTTTTGACTTCTCCCTCCGTCCTTCCTGCTTCTGCTTGCTTCTTCCGGGGTTGAAGCCGGCGCCGGAACAGGGTGAACAGTTTACCCCCCTCTGGCGGGTAACTTAGCTCACGCCGGAGCCTCAGTAGACCTAACAATCTTCTCTCTTCACTTAGCGGGTATCTCCTCAATTTTAGGAGCAATTAATTTCATCACCACCATCCTAAACATGAAACCTCCCGCCATTTCACAGTATCAAACCCCTCTGTTCGTATGAGCAGTCCTAATTACAGCCGTTCTTCTACTTCTATCACTGCCAGTACTCGCCGCAGGTATTACGATGCTCCTAACAGATCGTAACCTAAACACAACCTTCTTCGACCCTGCGGGGGGAGGAGACCCAATCCTTTACCAACATCTC
-- end --

Download FASTA File

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Statistics of barcoding coverage: Nemateleotris decora

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 4
Specimens with Barcodes: 5
Species With Barcodes: 1
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Barcode data: Nemateleotris cf. decora

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Nemateleotris cf. decora

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 7
Specimens with Barcodes: 7
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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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
  • Baensch, H.A. 1992 Neue Meerwasser-Praxis. Tetra Verlag, Melle, Germany. (Ref. 7309)
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Wikipedia

Elegant firefish

Nemateleotris decora, the elegant firefish or purple firefish, is a species of dartfish native to tropical waters in the Indo-West Pacific, from Mauritius to Samoa, north to Ryukyu Islands, and south to New Caledonia, from depths ranging between 25 to 70 m (82 to 230 ft). It is found over hard, open bottoms of reefs, sandy patches and rubble, as well as deeper coastal outer reef drop-offs where there are strong currents.[1] It reaches a maximum length of 9 cm (3 in).[1] This species is often found in pairs and is monogamous.[1] They feed on zooplankton, especially the larvae of copepods and crustaceans.[1] They will dart into holes when alarmed.[1]

Description[edit]

The elegant firefish is a slender, colourful fish. The dorsal fin has 7 spines and 27 to 32 soft rays while the anal fin has a single spine and 28 to 31 soft rays. The head is purple and the body colour is whitish or yellowish, gradually darkening to deep grey towards the tail. The fins have longitudinal bands of purple, red, black and orange.[2]

In the aquarium[edit]

This fish is popular in reef aquariums and is resistant to diseases. These fish are relatively docile and will not attack tankmates where kept in a suitably sized aquarium; however, if kept in confined quarters these fish may squabble over territory.[3] Firefish are commonly kept in nano reef aquariums.

Firefish are prolific leapers. Thus, an aquarist contemplating the acquisition of either of these species should be certain that the aquarium hood will not easily allow the firefish to leap from the tank and expire. These fish should also be provided with rockwork to hide in.[3]

This and other species of firefish are occasionally spawned in captivity. [4]

References[edit]

  1. ^ a b c d e Froese, Rainer and Pauly, Daniel, eds. (2007). "Nemateleotris decora" in FishBase. Apr 2007 version.
  2. ^ "Purple Firefish: Nemateleotris decora". Fishlore. Retrieved 2013-12-26. 
  3. ^ a b Dakin, Nick (1992). The Macmillan book of the Marine Aquarium. New York: Macmillan Publishing Company. p. 225. ISBN 0-02-897108-6. 
  4. ^ "Purple firefish FAQ". AquaDaily. 2009-02-09. Retrieved 2009-02-10. 
  • Michael, Scott W. Marine Fishes. Neptune City, NJ: T.F.H. Publications, 2001. 360.
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