The penstemon tip, also known as the Japanese gun squid, is an elongated cuttlefish.
The penstemon tip has a peculiar shape and elongated body, and some write it as a bipipe fish. Qingdao and other places also call it sea rabbit. Penpipe fish is also known as Japanese gun squid, also known as small squid, Wu-Octopus, from the appearance of a kind of carcass elongated cuttlefish.
Pencil tip belongs to the cephalopods, gun squid family, carcass length of up to 15 centimeters, the shape is similar to the squid, but compared to the squid is short and small, the body is short and wide. Some Qingdao people also call it "sea rabbit". Because of the fast escape speed of this pennant fish, it can be said to be as quiet as a child moving like a rabbit.
Characteristics of the penpipe octopus
The body of the penpipe octopus is conical and resembles a pen, so it is commonly known as "penpipe octopus". It is small, the longest not more than 15 centimeters, the body is symmetrical, the carcass length is four times the carcass width. The orbits on both sides of the head are large, and the eyes have a false cornea on the outside, and only a very small lacrimal hole connects with the outside world.
The head and perioral area of the penniped with 10 carapaces, 4 pairs of which are shorter, with two rows of suckers on the carapace, and the other pair of carapaces is longer, for the tentacle, and on the top of it is the tentacle spike, with 4 rows of suckers on the spike. Carpal fins long, more than 1/2 of carcass length, posteriorly recurved, terminal fins shaped, two fins connected in longitudinal diamond shape. The surface of the body is covered with nearly circular pigmented spots of varying sizes.
The pennant tips are shorter and smaller than squid, and the body is shorter and wider. Generally carcass length of 12 to 20 centimeters, the length of the width of four times. The fleshy fins are slightly longer than 1/2 the length of the thorax and are slightly triangular in shape. The back of the eye with dense purple spots, the body with ink sacs.