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Overview

Comprehensive Description

Biology

Adults inhabit open waters of coastal reefs (Ref. 9710). Juveniles occur in inshore areas, including estuaries (Ref. 3287). Usually in small groups (Ref. 48635).
  • Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley 1989 Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)
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Distribution

Indo-Pacific: East Africa (Ref. 3287) to Fiji, north to Ryukyu Islands, south to New Zealand.
  • Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino 1984 The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
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Red Sea, Indo-West Pacific: East Africa, Seychelles, Madagascar and western Mascarenes east to Philippines and Fiji, north to Ryukyu Islands, south to Exmouth Gulf (Western Australia) and New Caledonia.
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Physical Description

Morphology

Dorsal spines (total): 9; Dorsal soft rays (total): 18 - 20; Analspines: 3; Analsoft rays: 14 - 17
  • 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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Size

Maximum size: 600 mm TL
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Max. size

72.0 cm FL (male/unsexed; (Ref. 40637)); max. published weight: 4,350 g (Ref. 40637)
  • IGFA 2001 Database of IGFA angling records until 2001. IGFA, Fort Lauderdale, USA. (Ref. 40637)
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Diagnostic Description

Description

Inhabits coastal waters, at a depth of at least 60 m (Ref. 5213). Juveniles occur in inshore areas, including estuaries (Ref. 3287).
  • Anon. (1996). FishBase 96 [CD-ROM]. ICLARM: Los Baños, Philippines. 1 cd-rom pp.
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Color silvery, greenish above. Opercle with black spot. 20-37 weak scutes. Pectoral fins falcate. Scaleless breast to behind pelvic origin and laterally to pectoral base. Soft dorsal lobe falcate in young, becoming shorter than head in adults. First 2 anal spines detached.
  • 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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Ecology

Habitat

Environment

reef-associated; brackish; marine; depth range 30 - 60 m (Ref. 11441)
  • Randall, J.E. 1995 Coastal fishes of Oman. University of Hawaii Press, Honolulu, Hawaii. 439 p. (Ref. 11441)
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Depth range based on 436 specimens in 1 taxon.
Water temperature and chemistry ranges based on 206 samples.

Environmental ranges
  Depth range (m): 11.3 - 292.5
  Temperature range (°C): 22.098 - 28.199
  Nitrate (umol/L): 0.137 - 12.830
  Salinity (PPS): 34.357 - 35.439
  Oxygen (ml/l): 2.494 - 4.701
  Phosphate (umol/l): 0.078 - 0.836
  Silicate (umol/l): 0.567 - 14.367

Graphical representation

Depth range (m): 11.3 - 292.5

Temperature range (°C): 22.098 - 28.199

Nitrate (umol/L): 0.137 - 12.830

Salinity (PPS): 34.357 - 35.439

Oxygen (ml/l): 2.494 - 4.701

Phosphate (umol/l): 0.078 - 0.836

Silicate (umol/l): 0.567 - 14.367
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth: 0 - 60m.
Recorded at 60 meters.

Habitat: reef-associated.
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Trophic Strategy

Inhabit open waters of coastal reefs (Ref. 9710). Juveniles occur in inshore areas, including estuaries (Ref. 3287). Usually in small groups (Ref. 48635).
  • Salini, J.P., S.J.M. Blaber and D.T. Brewer 1994 Diets of trawled predatory fish of the Gulf of Carpentaria, Australia, with particular reference to predation on prawns. Aust. J. Mar. Freshwat. Res. 45(3):397-411.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Carangoides chrysophrys

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


There are 11 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.

CTTTATCTAGTATTTGGTGCTTGAGCCGGAATAGTAGGCACAGCCCTA---AGCCTGCTTATTCGAGCAGAACTAAGCCAACCCGGCGCCCTTCTGGGGGAT---GACCAAATTTACAACGTTATTGTTACGGCCCACGCCTTCGTAATAATTTTCTTTATAGTAATGCCAATCATGATCGGAGGCTTTGGAAACTGACTAATCCCACTAATG---ATCGGCGCCCCCGATATAGCATTCCCTCGAATGAACAATATGAGCTTCTGGCTCCTGCCCCCTTCTTTCCTTCTTCTCTTGGCCTCTTCAGGAGTTGAAGCCGGAGCCGGAACTGGCTGAACAGTCTATCCCCCGCTGGCTGGTAACCTCGCCCACGCCGGAGCATCAGTTGATCTG---ACCATCTTCTCCCTTCATCTAGCAGGGGTTTCATCAATTCTCGGGGCGATCAATTTTATCACTACTATTATTAACATGAAACCTCCCGCAGTTTCAATGTACCAAATCCCCCTATTTGTCTGAGCTGTCCTAATTACAGCTGTTCTCCTTCTTCTGTCCCTCCCCGTGCTAGCTGCC---GGCATCACAATGCTCCTAACTGACCGAAACCTAAACACTGCCTTCTTTGACCCACCCGGAGGTGGGGATCCCATCCTCTATCAACACTTA------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TTC
-- end --

Download FASTA File

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Statistics of barcoding coverage: Carangoides chrysophrys

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 12
Specimens with Barcodes: 48
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

fisheries: commercial; gamefish: yes
  • van der Elst, R. 1993 A guide to the common sea fishes of southern Africa. (3rd Ed.). Struik Publishers, Cape Town. 398 p. (Ref. 12484)
  • Smith-Vaniz, W.F. 1984 Carangidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 1. [pag. var.]. FAO, Rome. (Ref. 3287)
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Wikipedia

Longnose trevally

The longnose trevally, Carangoides chrysophrys (also known as the tea-leaf trevally, club-nosed trevally, grunting trevally, and dusky trevally), is a species of inshore marine fish in the jack family, Carangidae. The species is distributed throughout the tropical and subtropical waters of the Indian and west Pacific Oceans from South Africa to New Zealand and Japan, inhabiting coastal waters, especially reefs, to a depth of 90 m. The longnose trevally is distinguished from similar species by a combination of a scaleless breast and the number of gill rakers and fin rays. It is a moderately large fish, growing to a maximum known length of 72 cm and 4.35 kg. The longnose trevally is a predatory fish, consuming small fish, crustaceans and molluscs. The species is of minor commercial importance throughout its range, and is considered to be a good table fish.

Taxonomy and naming[edit]

The longnose trevally is classified within the genus Carangoides, a group of fish commonly called jacks and trevallies. Carangoides falls into the jack and horse mackerel family Carangidae, itself part the order Perciformes, in the suborder Percoidei.[1]

The species was first scientifically described by the French taxonomist Georges Cuvier in 1833, based on the holotype specimen collected from the waters of the Seychelles. He named the new species Caranx chrysophrys, with the specific name meaning 'golden eyebrow' in Greek.[2] The generic position of the species was revised twice, being placed in Citula by William Ogilby and finally into Carangoides by Ian Munro, where it has remained. The species has been independently described on a number of occasions, the first when Pieter Bleeker identified a fish he believed was similar, but not the same as Carangoides chrysophrys, and named it Carangoides chrysophryoides. Other synonyms include Caranx nigrescens, Caranx jayakari and Caranx typus.[3] These are all considered to be junior synonyms under the ICZN rules and are no longer used. The species has a number of common names, with the most often used names, 'longnose trevally' (or 'longnose kingfish') and 'club-nosed trevally' in reference to the snout profile of the fish. The names 'dusky trevally' and 'grunting trevally' are used for the fish in the United States.[4]

Description[edit]

Longnose.jpg
Carangoides chrysophrys DubaiMall.jpg

The longnose trevally is similar to other jacks in its overall body profile, having a strongly compressed, ovate shape as a juvenile, gradually becoming more oblong with age.[5] It is a moderately large fish, recorded up to 72 cm in length and 4.35 kg in weight.[4] The dorsal profile is more convex than the ventral profile. One of the species major diagnostic characters is its snout shape, having a gently sloped dorsal profile from the nape to near the snout, but becoming abruptly vertical just before the mouth cleft.[3] Both of the jaws contain anteriorly widening bands of small villiform teeth, with larger individuals also having a number of conical outer teeth. There are two separate dorsal fins, the first consisting of 8 spines and the second of 1 spine and 18 to 20 soft rays. The anal fin comprises two detached anterior spines, followed by 1 spine and 14 to 17 soft rays.[6] The lobes of both the soft anal and dorsal fin are falcate, with juveniles having the anteriormost rays extended into filaments. These are lost in adults, with the lobes becoming shorter than the head. The pectoral fins are long and falcate, not quite reaching the intersection of the arched and straight sections of the lateral line.[3] The lateral line is moderately curved anteriorly, with this section up to twice as long as the straight section, which has between 20 and 37 weak scutes present. The breast of the longnose trevally is scaleless, extending up to behind the pelvic fin origin and laterally to the pectoral fin base.[7] Five to 9 gill rakers occur on the first arch and 15 to 18 on the second arch, and the species has 24 vertebrae.

The longnose trevally is generally silver in colour, with the body and head greenish-blue above, becoming silvery with yellow-green reflections below. The operculum has a small black blotch on the upper margin. The dorsal and anal fins range in colour from whitish to pale yellow to dusky, with the membranes of soft anal fin rays often having a white spot at the base. The caudal and pectoral fins are pale to dusky yellow. Large adults often exhibit very dark head and fin colouration, nearing black. These fish are perhaps exhibiting mating or spawning colouration.[6]

Distribution and habitat[edit]

The longnose trevally inhabits tropical to subtropical waters in the Indian and west Pacific Oceans, ranging from South Africa and Madagascar, north to the Red Sea and Persian Gulf, east to India, South East Asia, Indonesia, Japan and to Fiji. The longnose trevally has been reported from many west Pacific islands, indicating that it s widespread in this region. The species ranges as far north as the Okinawa, Japan and as far south as northern Australia and New Zealand.[4]

The longnose trevally is an inshore fish, normally found on coastal reefs[8] and occasionally in large protected bays. It appears to be more tolerant of dirty, turbid waters than most of it relatives, but is not seen in estuaries.[9] Juveniles reportedly inhabit shallow bays close to the coast, and are occasionally seen near beaches. Adults live in much deeper water, normally between 30 and 60 m, although have been recorded at depths of around 90 m.[3]

Biology and fishery[edit]

The longnose trevally is an epibenthic predator, taking prey from the seafloor or just above it,[6] with only one study ever to thoroughly record its diet, which was carried out in the Gulf of Carpentaria of Australia. Here it was found its main prey were small fish, with considerable quantities of molluscs, brachyurans, and other crustaceans also taken.[10] In South Africa, the species is thought to prefer prawns as its major dietary component, with crabs and small fish also taken. The longnose trevally has a fairly soft mouth, which may partly determine its diet. Very little is known of reproduction in the species, although juveniles have been recorded from shallow coastal bays.[9]

The longnose trevally is of minor importance to fisheries throughout its range, taken by hook and line, bottom trawls, gill nets and various types of trap.[6] It is usually sold fresh, and is often not distinguished from other species of carangid. The species is occasionally caught by boat anglers, as well as beach fishermen on the South African coast. They take small baits and are considered good for eating.[9]

References[edit]

  1. ^ "Carangoides bajad". Integrated Taxonomic Information System. Retrieved 29 March 2008. 
  2. ^ Hosese, D.F.; Bray, D.J., Paxton, J.R. and Alen, G.R. (2007). Zoological Catalogue of Australia Vol. 35 (2) Fishes. Sydney: CSIRO. p. 1150. ISBN 978-0-643-09334-8. 
  3. ^ a b c d Gunn, John S. (1990). "A revision of selected genera of the family Carangidae (Pisces) from Australian waters". Records of the Australian Museum Supplement 12: 1–78. doi:10.3853/j.0812-7387.12.1990.92. 
  4. ^ a b c Froese, Rainer and Pauly, Daniel, eds. (2008). "Carangoides chrysophrys" in FishBase. January 2008 version.
  5. ^ Randall, John Ernest; Roger C. Steene; Gerald R. Allen (1997). Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press. p. 161. ISBN 0-8248-1895-4. 
  6. ^ a b c d Carpenter, Kent E.; Volker H. Niem (eds.) (2001). FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 4: Bony fishes part 2 (Mugilidae to Carangidae) (PDF). Rome: Food and Agriculture Organization of the United Nations. p. 2694. ISBN 92-5-104587-9. 
  7. ^ Lin, Pai-Lei; Shao, Kwang-Tsao (20 April 1999). "A Review of the Carangid Fishes (Family Carangidae) From Taiwan with Descriptions of Four New Records". Zoological Studies 38 (1): 33–68. 
  8. ^ McGrouther, M. (2004). "Longnose Trevally Carangoides chrysophrys (Cuvier, 1833)". Find a Fish. Australian Museum. Retrieved 2008-08-06. 
  9. ^ a b c van der Elst, Rudy; Peter Borchert (1994). A Guide to the Common Sea Fishes of Southern Africa. New Holland Publishers. p. 142. ISBN 1-86825-394-5. 
  10. ^ Brewer, D.T.; S.J.M. Blaber & J.P. Salini (1991). "Predation on penaeid prawns by fishes in Albatross Bay, Gulf of Carpentaria". Marine Biology 109 (2): 231–240. doi:10.1007/BF01319391. 
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