形态学资料 Pestarella tyrrhena
检索表
主要参考文献 Holthuis, L.B., 1991
形态描述的性别

性别内容

特殊器官
不同的外表
不同的颜色
附注

稚鱼与成鱼的特徵描述

显着的特徵
侧面体型
横切面
头部背面描绘
眼的类型
口/吻尖的类型
口的位置
鉴别 Rostrum short and broadly triangular with tip blunt. Eyes bluntly triangular, reaching beyond rostrum with practically their full length. Antennal angles also bluntly angular, without spine. Antennular peduncle slightly longer than antennal peduncle. Third maxilliped with merus and ischium expanded to form an operculum; last three segments not widened, much narrower and slenderer than operculum. Large chela without deep concavity in anterior margin of palm. Carpus as long as or slightly shorter than palm, and about as long as high. Merus with a rounded lobe in the basal part of the lower margin; this lobe crenulate and not ending in a sharp point. Telson about as long as wide. Lateral margins convex, forming a regular curve with posterior margin. No spines present on telson. Endopod of uropod broadly oval or quadrangular with rounded corners, slightly longer than telson. Colour: pale pink (Ref. 4).
鉴定难易度

分节特性 Pestarella tyrrhena

侧线 打断: No
侧联机的鳞片
侧联机鳞片数
侧生系列的鳞片
侧联机的鳞片列
侧线下的鳞片列
尾梗周围的鳞片
触须
鳃裂 (仅限于鲨鱼/ 鱼)
鳃耙
在下肢上
上枝鳃耙
总数
脊椎骨
肛门前
总数

背鳍 (s)

属性
鳍数
离鳍号码 背鳍   
Ventral  
棘总数
软条总数
脂鳍

尾鳍

属性

臀鳍 (s)

鳍数
棘总数
软条总数

偶鳍

胸鳍 属性  
脊椎     
软条   
骨盘的 属性  
位置    
脊椎     
软条   
主要参考文献 (例如 9948)
字汇 (例如 cnidaria)
Comments & Corrections
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