Morphology Summary - Alectis ciliaris
形態學資料 Alectis ciliaris
檢索表
Abnormalities
主要參考文獻 Randall, J.E., G.R. Allen and R.C. Steene, 1990
形態描述的性別
Bones in OsteoBase Skull, Spine

性別內容

特殊器官
不同的外表
不同的顏色
附註

稚魚與成魚的特徵描述

顯著的特徵
側面體型  (shape guide) short and / or deep
橫切面 compressed
頭部背面描繪 clearly convex
眼的類型 more or less normal
口/吻尖的類型 more or less normal
口的位置 terminal
Type of scales cycloid scales
鑑別

Description: Body superficially naked, with minute and embedded scales. Body silvery with light metallic bluish tinge dorsally; a small diffuse dark spot on opercle (Ref. 26938); juveniles with five chevron -shaped bars (Ref. 90102). Scales minute and embedded; scutes 12-30 (Ref. 90102). Weakly developed scutes, appearing naked. Only fish in the family that does not have dorsal fin spines throughout life (Ref. 26938). Spines of first dorsal fin embedded and not apparent at fork length greater than about 17cm; spines of first anal fin embedded with growth (Ref. 90102). Anterior 4-5 dorsal and anal soft rays of juveniles extremely long and filamentous (Ref. 48635, Ref. 90102). Villiform teeth disappearing with growth. Body very deep in juveniles about 1.5 in FL, becoming more elongate with growth (Ref. 90102).

鑑定難易度

分節特性 Alectis ciliaris

側線 1 打斷: No
側線上的鱗片 120 - 140
側線上鱗片數
側生系列的鱗片
側線上的鱗片列
側線下的鱗片列
尾梗周圍的鱗片
觸鬚 0
鰓裂 (僅限於鯊魚/ 魟魚)
鰓耙
在下肢上 12 - 17
上枝鰓耙 4 - 6
總數 16 - 23
脊椎骨
肛門前
總數

背鰭 (s)

屬性 other
鰭數 2
離鰭號碼 Dorsal   0 - 0
Ventral  0 - 0
棘總數 7 - 8
軟條總數 18 - 22
脂鰭 absent

尾鰭  (shape guide)

屬性 forked; more or less normal

臀鰭 (s)

鰭數 2
棘總數 3 - 3
軟條總數 15 - 20

偶鰭

胸鰭 屬性  more or less normal
脊椎     0
軟條   18 - 20
骨盤的 屬性  more or less normal
位置    thoracic  before origin of D1
脊椎     
軟條   
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