Overview

Comprehensive Description

Biology

Inhabits continental reefs (Ref. 9710). Adults usually moderately deep on open substrates with sparse reef or coral heads. A solitary species, but occasionally in pairs or small groups. Small juveniles also in deep water and the zebra-pattern serves well as camouflage when sheltering with crinoids (Ref. 48637). Juveniles in shore waters; adults in deeper water.
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Distribution

Indo-West Pacific: Madagascar to Indonesia and Australia (Ref. 2334, 3131).
  • Gloerfelt-Tarp, T. and P.J. Kailola 1984 Trawled fishes of southern Indonesia and northwestern Australia. Australian Development Assistance Bureau, Australia, Directorate General of Fishes, Indonesia, and German Agency for Technical Cooperation, Federal Republic of Germany. 407 p. (Ref. 5978)
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Indo-West Pacific.
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Physical Description

Morphology

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 28 - 31; Analspines: 3; Analsoft rays: 19 - 23
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Size

Maximum size: 500 mm TL
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Max. size

65.0 cm SL (male/unsexed; (Ref. 48637))
  • Kuiter, R.H. and T. Tonozuka 2001 Pictorial guide to Indonesian reef fishes. Part 3. Jawfishes - Sunfishes, Opistognathidae - Molidae. Zoonetics, Australia. p. 623-893. (Ref. 48637)
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Diagnostic Description

Adults (above 40 cm) silvery, with dark bar through eye and another (faint) bar just behind head. Fins dusky. Small juveniles black, vertical white lines on body and fins. Subadults brown, with black bar from nape, over eye to chest and another black bar from dorsal-fin origin, over pectoral fins to pelvic fins, pectoral and pelvic fins dark brown or black. Body orbicular and strongly compressed, its depth more than twice length of head and 1.1 to 1.9 times in SL. Snout profile of large adults (above 40 cm) concave, with prominent bony swelling between eyes. Jaws with bands of slender, flattened, tricuspid teeth, the middle cusp 3 to 4 times longer than lateral cusps. Vomer with a band of strong teeth, no teeth on palatines. Five pores on each side of lower jaw. Preopercle smooth. Opercle without spines (Ref 43039).
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Ecology

Habitat

Environment

reef-associated; marine; depth range 5 - 40 m (Ref. 90102)
  • Allen, G.R. and M.V. Erdmann 2012 Reef fishes of the East Indies. Perth, Australia: Universitiy of Hawai'i Press, Volumes I-III. Tropical Reef Research. (Ref. 90102)
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Depth range based on 396 specimens in 1 taxon.
Water temperature and chemistry ranges based on 253 samples.

Environmental ranges
  Depth range (m): 12 - 114
  Temperature range (°C): 22.098 - 28.529
  Nitrate (umol/L): 0.164 - 12.805
  Salinity (PPS): 33.783 - 35.470
  Oxygen (ml/l): 2.494 - 4.703
  Phosphate (umol/l): 0.120 - 0.760
  Silicate (umol/l): 1.019 - 19.050

Graphical representation

Depth range (m): 12 - 114

Temperature range (°C): 22.098 - 28.529

Nitrate (umol/L): 0.164 - 12.805

Salinity (PPS): 33.783 - 35.470

Oxygen (ml/l): 2.494 - 4.703

Phosphate (umol/l): 0.120 - 0.760

Silicate (umol/l): 1.019 - 19.050
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Trophic Strategy

Inhabits continental reefs (Ref. 9710). Juveniles in shore waters; adults in deeper water.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Platax batavianus

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


There are 5 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.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNTAGTAGGCACAGCACTAAGCCTGCTCATCCGAGCAGAGCTTAACCAACCCGGCGCCCTCCTTGGAGACGACCAGATTTATAATGTAATTGTTACGGCACATGCGTTCGTAATAATTTTCTTTATAGTTATGCCAGTAATGATCGGAGGCTTTGGAAACTGACTAATCCCCTTAATAATCGGCGCCCCAGACATAGCCTTCCCTCGAATGAACAACATGAGCTTCTGACTTCTTCCCCCATCATTCCTGTTACTTCTTGCCTCTTCTGGTGTAGAAGCTGGTGCAGGAACAGGTTGAACTGTTTACCCCCCACTAGCCAGCAACTTAGCACATGCAGGCGCATCCGTTGACCTAACTATCTTTTCTCTCCACCTAGCGGGTATTTCATCAATTCTAGGGGCTATTAACTTTATTACAACAATCATTAACATAAAACCTCCCGCCATTTCCCAGTATCAAACCCCACTGTTCGTCTGAGCCGTCCTAATCACGGCTGTCCTTTTACTTCTATCCCTTCCTGTCCTTGCCGCCGGCATTACCATGCTACTCACAGATCGTAACCTGAACACCACTTTCTTCGATCCGGCAGGAGGAGGAGACCCAATTCTGTATCAACACCTGNNN
-- end --

Download FASTA File

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Statistics of barcoding coverage: Platax batavianus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 9
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
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Wikipedia

Platax batavianus

The humpback batfish (Platax batavianus), is a species of batfish in the family Ephippidae.[1] They are found in coral reefs around the Indo-Pacific region. Adults can grow up to 65 centimetres (26 in) at maximum.

Distribution and habitat[edit]

Humpback batfish are found in coral reefs around the Indo-Pacific. They are found in eastern Africa, Madagascar, Seychelles, the Maldives, India, Sri Lanka, the Andaman Sea, Indonesia, and Australia in the Indian Ocean.[1] In the Pacific Ocean, they are found in the Gulf of Thailand, Indonesia, Vietnam, Taiwan, Japan, the Philippines, the Great Barrier Reef, New Zealand, and various Pacific islands not including Hawaii.[1] They are encountered at a depth of 5 to 40 metres (16 to 131 ft).[1] It lives in tropical waters.[1]

Description[edit]

Adult individuals of this species can grow up to 65 centimetres (26 in) at maximum size.[1] Juveniles and adults have different coloration.[1] Adults are silver with a dark bar around the eye and a faint one on the back.[1] They have brown fins and are shaped like an oval.[1] Juveniles are brown and are tall in appearance.[1] They have vertical white bars.[1] Their snouts are concave. It has tricuspid teeth and has strong jaws.[1]

References[edit]

  1. ^ a b c d e f g h i j k l Froese, Rainer and Pauly, Daniel, eds. (2014). "Platax batavianus" in FishBase. November 2014 version.


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