Head and tail light fish, also known as lantern fish, car light fish and so on. Although small in size, it has a distinctive shape. When the body meets light, it will produce reflected light, and the edges of dorsal fin, ventral fin and gluteal fin also have blue fluorescence, which is very beautiful.

So how do you divide the males and females of tailless fish? Let's get to know each other.

How to divide the fish into male and female?

It is relatively simple to distinguish between males and females. Usually, the male of the fish is slimmer than the female, and the dorsal fin is long and sharp, and a small pale ivory longitudinal band can be observed in the middle of the anal fin.

When fishing with a net, the hook on the anal fin of the male fish often hangs on the net, which the female fish does not have.

On the other hand, the female fish is tall and long, with wide dorsal fin, round blunt fin, fan-shaped anal fin and larger abdomen than the male fish.

What are the common species of lamprey?

Lampetratidae is a colorful small ornamental fish, which has always been an important protagonist in aquatic plant landscaping.

Head-tail fish is one of the more common fish in LEPIDOPTERA. Besides head-tail fish, there are the following common LEPIDOPTERA fish:

1, lotus lantern fish

Lotus lantern fish is a small tropical fish.

He is about 4 cm long, with a dark blue stripe on each side of his body and a golden spot on his eyes, which can emit metallic light.

It is mainly produced in slow-flowing rivers in Brazil, Colombia and Venezuela.

2, traffic lights fish

The traffic light fish is native to the upper reaches of the Amazon River in South America and is known as a "rare treasure".

Because it swims around in the water, its body reflects red light and green light, so it is named "traffic light fish".

3, black lotus lantern fish

Black lotus lantern fish is also known as black lantern fish and black lantern fish.

Its main feature is that there is a gold stripe and a black stripe from beginning to end, and the iris of the eye can reflect red and black luster.

4. Blue-eyed lampfish

Blue-eyed pitcher fish is a common ornamental fish in straw vat, and it is also a small African pitcher fish widely loved and popularized in the market.

Its eyes are bright blue, which will emit charming blue light in the dark, so it is known as "the blue-eyed lamp of the Queen".

5, flame lamp fish

Flaming fish, also known as flaming fat carp and flaming swordfish, is a small ornamental fish with bright colors.

Its body length is about 3 cm, its round and full abdomen is bright white, and its dorsal fin, ventral fin, gluteal fin and caudal fin are bright fiery red, just like flames.

Generally speaking, there are obvious differences between male fish and female fish in appearance. If you observe them carefully, it is easy to distinguish them.

In addition, there are many kinds of lamprey, of course, head and tail fish are easier to raise, and novice friends can give priority.

The following wonderful pictures and hot comments on the head and tail lights to distinguish between male and female fish may interest you. Welcome to reading.