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Morphology

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Dorsal spines (total): 0; Dorsal soft rays (total): 15; Analspines: 0; Analsoft rays: 15 - 16
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Recorder
Cristina V. Garilao
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Biology

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Pseudoceanic species.
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Cristina V. Garilao
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分布

provided by The Fish Database of Taiwan
分布於印度-太平洋熱帶及亞熱帶海域。臺灣則發現於西南部周邊水域。
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臺灣魚類資料庫
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利用

provided by The Fish Database of Taiwan
一般以底拖網捕獲,不具食用經濟價值,通常做為下雜魚用。
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描述

provided by The Fish Database of Taiwan
體延長,側扁,後部略細。頭中等大。吻短,鈍圓。眼大。口大,上頜骨狹長而延伸至前鰓蓋後緣,末端不擴大;上下頜、鋤骨、腭骨均具齒帶,上下頜內側齒延長。體被大而薄圓鱗,易脫落;側線平直。背鰭單一,位於體中部,具軟條15,後部另具一脂鰭;臀鰭基底略等於背鰭基底,具軟條15;尾鰭叉形,尾鰭副鰭條柔軟。各部位之發光器位置於下:眶前發光器(Ant)大;鼻部背位發光器(Dn)小而圓形,在鼻器後背方;鼻部腹位發光器(Vn)大,近卵形,前緣延伸與Dn相連;眶下位發光器(So)無;鰓蓋位發光器(Op)2個,位於前鰓蓋後緣下方,Op1明顯較Op2小,均在眼眶下緣縱線之下;鰓被架位發光器(Br)3個;胸鰭上方發光器(PLO),距側線比距胸鰭基部遠,其下方有一大於PLO約3-4倍的發光鱗;胸鰭下方發光器(PVO)2個,兩者與PO1成一斜線;胸部發光器(PO)5個,PO1與PO2的距離為PO列中最大,PO4位置昇高,與PVO2在一水平線上;腹部發光器(VO)5個,VO3位置最高;腹鰭上位發光器(VLO)位於腹鰭和側線之間,較接近腹鰭基部;臀鰭上方發光器(SAO)3個,三者排列呈斜線狀,SAO3緊臨側線;體後側位發光器(Pol)1個,在脂鰭下方,緊臨側線;臀鰭前部發光器(AOa)6個,AOa1位置昇高,但不超過SAO2,AOa6亦昇高,六者排列呈淺弧形;臀鰭後部發光器(AOp)5-6個,沿尾柄腹側水平狀排列;尾鰭前位發光器(Prc)4個,四個依次昇高呈半弧形排列,Prc4在側線下方約發光器直徑的2倍處。尾部發光腺無。
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棲地

provided by The Fish Database of Taiwan
似大洋性中、底層巡游魚類,一般棲息於122-664公尺以上,生態習性不甚明瞭。
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Diaphus knappi

provided by wikipedia EN

Diaphus knappi, the small lanternfish, is a species of lanternfish found in the Indo-Pacific.[1]

Size

This species reaches a length of 17.3 cm (6.8 in).[2]

Etymology

The fish is named in honor of Smithsonian ichthyologist Leslie W. Knapp (1929–2017), for providing the author with lanternfishes from both the Indian Ocean and Pacific Ocean.[3]

References

  1. ^ Hulley, P.A., 1986. Myctophidae. p. 282-321. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2015). "Diaphus knappi" in FishBase. February 2015 version.
  3. ^ Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order MYCTOPHIFORMES (Lanternfishes)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 1 March 2023.
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Diaphus knappi: Brief Summary

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Diaphus knappi, the small lanternfish, is a species of lanternfish found in the Indo-Pacific.

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