1.The measurements used are fork length, head length, upper jaw length, snout length, length of dorsal fin base and anal fin base and the distances from the tip of snout to insertion of dorsal fin, to pectoral fin, to ventral fin and to hard margin of preopercle.
此所用于分析之外部非体节形质计有：尾叉长、头长、上颚长、吻长、眼径、背鳍基底长、臀鳍基底长以及吻端到前鳃盖骨后绿、背鳍起点、腹鳍起点、臀鳍起点等11个形质。
2.Diagnostic characters for the recognition of species include the presence or absence of pectoral fin, the position of dorsal fin origin, gill opening, anus, nostril opening and eye, the cirri present or not, the dentition type, the body coloration, and the head pores or lateral line etc.
一般依据胸鳍的有无或发达程度，背鳍起点、鳃孔、肛门、鼻孔和眼等的相对位置，颌的发达程度和颌上是否具须，齿的形状和排列方式，身体的斑纹，以及头部和体侧的侧线孔数目等进行鉴别。
3.the dorsal fin is the vertical fin on the back of a fish and certain marine mammals.
背鳍就是在鱼或者某些海洋哺乳动物背上的垂直鳍。
4.large pelagic game fish having an elongated upper jaw and long sail-like dorsal fin.
大型远洋食用鱼，有细长的上颌和帆状的长背鳍。
5.Association between type Ⅰ and type Ⅱvenom glandular cells of in dorsal fin spine of Stonefish (Inimicus japonicus) was studied by light microscopy and electro microscopy.
日本鬼背鳍棘毒腺中有两种类型毒腺细胞——Ⅰ型细胞和Ⅱ型细胞。
6.A primitive, bony freshwater fish(Amia calva) of central and eastern North America, with a long, spineless dorsal fin.
弓鳍鱼北美洲中部和东部的一种原始、多骨的淡水鱼（弓鳍鱼弓鳍鱼属），具有长的无脊的背鳍
7.Any of several gregarious toothed whales of the genus Phocaena and related genera, of oceanic waters, characteristically having a blunt snout and a triangular dorsal fin.
鼠海豚一种鼠海豚属小型群集齿鲸，其共同特点是生活于海洋中，生有钝圆白的吻部以及三角形的背鳍
8.Any of various brightly colored tropical Pacific scorpion fishes of the genus Pterois, having venomous spines in the dorsal fin.
蓑一种太平洋赤道地区产蓑属色彩鲜艳的锯鱿鱼，背鳍上有毒刺
9.large elongate scaleless oceanic fishes with sharp teeth and a long sail-like dorsal fin.
细长的大型海生无鳞鱼，有尖牙和船帆形的长背鳍。
10.any of various food and sport fishes of the United States Atlantic coast having an elongated body and long spiny dorsal fin.
生活在美国大西洋沿岸、身体细长且长有长长背鳍的多种食用和猎用鱼。
