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Spotted Tinselfish

Xenolepidichthys dalgleishi Gilchrist 1922

Diagnostic Description

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Body silvery, with round black spots; anterior pelvic rays and end of caudal fin black (Ref. 4255). First dorsal spine minute, 2nd the longest; 1st anal spine markedly long, subequal to orbit (Ref. 13608). Gill rakers rudimentary.
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Recorder
Cristina V. Garilao
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Morphology

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Dorsal spines (total): 5 - 6; Dorsal soft rays (total): 27 - 30; Analspines: 2; Analsoft rays: 27 - 29
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Biology

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Found on the continental slope. Benthic species (Ref. 75154). Minimum depth from Ref. 58018.
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Rainer Froese
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Importance

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fisheries: of no interest
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Comprehensive Description

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Xenolepidichthys dalgleishi

Conclusion

The present study elucidates the phylogeny of the zeiform fishes and leads to a much revised systematic arrangement of the genera into newly recognized monophyletic families and subfamilies. However, this is but a first effort at understanding zeiform phylogeny, and refinements can be expected when the several species not included herein are taken into consideration and, especially, when data sets based on molecular genetics, soft anatomy (e.g., muscles and nerves), and other non-osteological features are used. We hope that the present study, based mostly on bony structures, will be an encouragement to such further analyses.

Appendix: Character-State Transformations for the Unordered Reduced Data Set Consensus Tree

(Letters correspond to branches in Figure 4; numbers correspond to the characters and their states used herein. The meristic characters not included in the analysis (93–103) resulting in Figure 4 were optimized onto the tree and are shown in Figure 5.)

A: 2-2, 6-1, 13-1, 16-1, 20-1, 27-1, 43-1, 53-4, 54-1, 59-0, 63-0, 65-0, 70-1, 71-0, 72-1, 75-0, 87-1

B: 5-1, 10-2, 13-1, 21-0, 22-2, 25-2, 46-0, 48-3, 54-1, 59-0, 64-1, 65-0, 69-0, 70-3, 71-0, 76-0, 80-4, 82-1, 84-1, 85-2, 90-1

C: 10-2, 25-1, 31-1, 41-1, 43-3, 46-0, 48-1, 63-0, 64-2, 70-3, 72-6, 83-2, 84-2, 88-4

D: 3-0, 13-1, 25-1, 35-0, 38-1, 59-1, 63-0, 72-3, 75-0, 77-1

E: 3-0, 4-1, 6-1, 10-0, 27-1, 33-3, 36-2, 38-1, 59-1, 63-0, 69-2, 71-2, 72-2, 75-0, 80-1, 81-1

F: 3-0, 8-1, 25-2, 33-1, 35-0, 63-0, 64-2, 70-0, 71-0, 72-0, 75-0, 81-1

G: 22-2, 77-1

H: 6-1, 10-0, 17-0, 20-1, 38-1, 60-1, 61-0

I: 3-0, 4-1, 11-1, 15-3, 21-3, 22-2, 33-3, 34-1, 37-1, 38-1, 40-1, 47-4, 60-1, 64-0, 69-2, 70-4, 71-2, 72-5, 77-1, 80-2, 84-1

J: 4-1, 9-2, 10-0, 12-1, 16-1, 27-1, 36-2, 37-1, 38-1, 40-1, 44-1, 60-1, 64-2, 69-2, 70-5, 71-3, 72-7, 77-1, 80-1, 81-1, 84-1

K: 1-1, 2-2, 4-1, 6-1, 9-0, 11-2, 12-1, 13-1, 16-1, 25-1, 27-1, 33-2, 34-1, 37-1, 39-0, 40-1, 47-3, 49-0, 50-1, 51-2, 55-1, 59-1, 60-1, 62-1, 64-0, 69-3, 70-1, 72-0, 75-0, 80-3, 85-3, 86-2

L: 3-0, 10-0, 16-1, 18-1, 19-1, 21-1, 23-1, 24-1, 25-2, 26-0, 31-1, 35-0, 37-1, 40-1, 41-1, 43-1, 44-1, 49-0, 50-1, 51-1, 52-1, 53-2, 54-1, 55-1, 60-1, 62-1, 64-1, 73-1 (monophyly of Zeiformes)

M: 9-3, 15-2, 22-2, 30-1, 45-1, 46-0, 47-3, 48-1, 74-1, 83-1, 89-1 (monophyly of Cyttus, Cyttidae, Cyttoidei)

N: 22-1, 67-1, 87-1 (autapomorphies of Cyttus novaezelandiae)

O: 77-1 (monophyly of Cyttus australis + C. traversi)

P: 36-1, 91-1 (autapomorphies of Cyttus australis)

Q: 50-0, 67-2, 72-2 (autapomorphies of Cyttus traversi)

R: 28-2, 29-1, 47-1, 66-1 (monophyly of Zeioidei)

S: 10-1, 28-1, 59-1, 92-1 (monophyly of Oreosomatidae)

T: 3-1 (autapomorphy of Pseudocyttus maculatus)

U: 22-2, 36-1, 53-1, 57-3, 77-1 (monophyly of Oreosomatinae)

V: 3-1, 28-0, 29-0, 36-0, 48-1, 65-0, 71-0 (autapomorphies of Oreosoma atlanticum)

W: (no autapomorphies for Neocyttus rhomboidalis)

X: 33-1, 58-2, 72-2 (monophyly of Allocyttus verrucosus + A. niger)

Y: (no autapomorphies for Allocyttus verrucosus)

Z: 28-2, 29-2, 53-2 (autapomorphies of Allocyttus niger)

A': 46-0, 72-3, 85-2 (monophyly of unnamed clade encompassing taxa Parazen through Zenopsis in Figure 4)

B': 45-2, 75-0, 82-1, 83-2 (monophyly of Parazenidae)

C': 15-1, 21-2, 29-2, 33-1, 39-0, 44-0, 50-0, 53-1, 57-1, 61-0, 64-0, 69-2, 71-2, 81-0, 85-0 (autapomorphies of Parazen pacificus)

D': 48-3, 72-1, 74-1, 87-1, 88-1, 90-1 (monophyly of Cyttopsinae)

E': 22-1, 28-1, 48-2, 67-1 (autapomorphies of Cyttopsis roseus)

F': 5-1, 37-0, 51-2, 70-1 (autapomorphies of Stethopristes eos)

G': 51-2, 57-3, 76-0, 90-2 (monophyly of unnamed clade encompassing taxa Zenion through Zenopsis in Figure 4)

H': 14-1, 22-2, 33-2, 37-0, 68-1, 77-1, 85-0 (monophyly of Zeniontidae)

I' 9-2, 10-2, 20-1, 21-2, 38-1, 42-1, 44-0, 51-1, 81-1 (autapomorphies of Zenion hololepis)

J' 15-1, 47-3, 57-2, 71-2, 72-4, 83-2 (monophyly of Capromimus + Cyttomimus)

K' 47-2, 84-2 (autapomorphies of Capromimus abbreviatus)

L' 14-0, 17-0, 50-0, 68-0, 76-1 (autapomorphies of Cyttomimus stelgis)

M' 2-2, 8-1, 58-2, 87-3 (monophyly of unnamed clade encompassing taxa Macrurocyttus through Zenopsis in Figure 4)

N' 3-1, 28-0, 29-0, 32-1, 35-1, 42-1, 46-1, 57-2 (monophyly of Grammicolepididae)

O' 1-1, 9-0, 19-2, 33-1, 37-0, 39-0, 47-3, 48-3, 53-5, 69-2, 72-2, 85-0 (autapomorphies of Macrurocyttus acanthopodus)

P' 2-1, 12-1, 13-1, 20-1, 21-0, 30-1, 50-0, 51-1, 52-2, 58-1, 59-1, 84-1, 87-2 (monophyly of Grammicolepidinae)

Q' 46-0, 65-0, 68-1 (autapomorphies of Xenolepidichthys dalgleishi)

R' 9-2, 22-2, 47-5, 66-0 (autapomorphies of Grammicolepis brachiusculus)

S' 6-1, 7-1, 9-5, 11-1, 14-2, 36-2, 43-2, 47-0, 48-1, 56-1, 59-3, 64-0, 78-1, 79-1, 80-1, 83-1, 86-1, 88-3, 90-1 (monophyly of Zeidae)

T' 2-1, 36-1, 58-3, 87-1, 88-2 (autapomorphies of Zeus faber)

U' 8-2, 39-0, 82-1 (monophyly of Zenopsis conchifer+ Z. nebulosus)

V' 9-4, 48-0, 91-2 (autapomorphies of Zenopsis conchifer)

W' 72-4 (autapomorphy of Zenopsis nebulosus)
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bibliographic citation
Tyler, James C., O'Toole, Bruce, and Winterbottom, Richard. 2003. "Phylogeny of the genera and families of Zeiform fishes, with comments on their relationships with tetraodontiforms and caproids." Smithsonian Contributions to Zoology. 1-110. https://doi.org/10.5479/si.00810282.618

分布

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分布於東大西洋區:包括幾內亞灣、塞內加爾外及南非外等海域;西大西洋區:由美國維尼幾亞州至南美的北部海域;西太平洋區:由日本、臺灣至紐西蘭、東加及斐濟等海域。臺灣發現於東北部海域。
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利用

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小型魚類,偶為底拖網捕獲,除學術研究外,一般皆以下雜魚處理,不具食用價值。
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描述

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體呈菱形,體極側扁,體高遠大於頭長;眼上方之頭背部凹陷。口小;上下頜皆具1-2列小而細的齒。鰓耙退化。幼或成魚在背鰭和臀鰭的兩側基底皆無小棘板。背鰭具IV-VI硬棘及28-31不分枝之軟條;臀鰭具II硬棘27-29不分枝之軟條;背鰭第I棘極小,第II棘則大;臀鰭第I棘長,約等於眼眶;尾鰭微叉形,上葉約等長於下葉 ;腹鰭具I硬棘及6分枝之軟條。體色銀白而側面散具圓黑斑;腹鰭前緣及尾鰭後緣黑色。
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棲地

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深海魚類,棲息深度在中水層至海床約885公尺間的水域,生態習性不詳。
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Xenolepidichthys dalgleishi

provided by wikipedia EN

Xenolepidichthys dalgleishi, the spotted tinselfish, is a species of tinselfish found in deep oceanic waters at depths of from 128 to 885 metres (420 to 2,904 ft). This species grows to a length of 15 centimetres (5.9 in) TL. This species is the only known member of its genus.

References

  1. ^ Munroe, T.; Robertson, R.; Moore, J.; Iwamoto, T. (2015). "Xenolepidichthys dalgleishi". IUCN Red List of Threatened Species. 2015: e.T16781189A16782273. doi:10.2305/IUCN.UK.2015-4.RLTS.T16781189A16782273.en. Retrieved 18 November 2021.
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Xenolepidichthys dalgleishi: Brief Summary

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Xenolepidichthys dalgleishi, the spotted tinselfish, is a species of tinselfish found in deep oceanic waters at depths of from 128 to 885 metres (420 to 2,904 ft). This species grows to a length of 15 centimetres (5.9 in) TL. This species is the only known member of its genus.

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Distribution

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Western Atlantic: 43.5°N to northern South America

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North-West Atlantic Ocean species (NWARMS)

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Habitat

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Found in deep waters, ranging from 200 to 885m.

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North-West Atlantic Ocean species (NWARMS)

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Habitat

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nektonic

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North-West Atlantic Ocean species (NWARMS)

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Habitat

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Known from seamounts and knolls

Reference

Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.

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