The first dorsal fin is composed of six to nine independent, short, stout, and sharp spines.

第一次的背鰭由六至九獨(dú)立成年网站免费视频网站在线观看网址、短期、結(jié)實(shí)，和銳利刺。

Distinctive black marking on the dorsal fin indicates that it is a female.

慢慢的小羅的背鰭上會(huì)有黑色的斑紋出現(xiàn)国产精品影院在线。

The length of the dorsal fin is characteristic of Cichlids but these fish do not look like the discus.

背鰭的長(zhǎng)度是麗魚科魚的特征，但圖中的這些魚看上去不像七彩A片黄色视频免费，反倒更像Apistogrammas久久免费五月黄片。

We all know the balance of dorsal fin in fish organs nature does not

眾所周知www.久久,com，背鰭是魚類的平衡器官，自然界中沒有

Therefore no dorsal fin eggs planted in the Gold

因此有A片网站吗?，沒有背鰭的蛋種在金

Thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin.

纖細(xì)身體的熱帶魚在线69，體長(zhǎng)達(dá)20至30英尺，有紅色的背鰭成人精品视频在线日韩免费观看网址。

The geometric features of the body and locomotive characteristic and parameters of the flexible dorsal fin are discussed.

以依靠長(zhǎng)背鰭推進(jìn)的"尼羅河魔鬼"為研究對(duì)象国产欧美十八禁，對(duì)弓鰭目模式推進(jìn)進(jìn)行了研究。

Predatory black and white toothed whale with large dorsal fin common in cold seas .

黑食肉有牙齒和大型背鰭的鯨国产又粗又猛又爽在线观看；常見于寒冷的海水中国产真实偷乱视频老人。

They have a dark, enlarged dorsal fin and a small mouth with fine teeth on both jaws.

他們有黑、擴(kuò)大背翅特別是男性）對(duì)這兩個(gè)下巴細(xì)齒的小口午夜试看120秒无码体验区。

When a female enters a territory, males court her with displays of the dorsal fin.

女性進(jìn)入了一個(gè)全港，男性法庭她與顯示的背鰭激情综合五月天丁香婷婷。