There is no difference. It's the same fish. Squirrel fish, commonly known as horse-faced fish.
it belongs to teleosteichthys, Silurus, Derridae, Silurus, and Myxocyprinus. Distributed in the East China Sea, the Yellow Sea and the Bohai Sea, and also found in Korea, the Sea of Japan and the northwest Pacific Ocean.
Morphological characteristics:
The body length is oval, the side is flat, the head is long and big, the back edge is slightly raised and inclined straight, the abdomen edge is slightly raised, and the side view is nearly triangular. Kiss grows up and spikes. The eyes are large, located on the upper side, with rounded septum, slightly larger than the eye diameter and small nostrils, 2 on each side, located near the front of the eyes. Small mouth, front position. The upper and lower jaws are wedge-shaped with thick lips. The branchial foramen is large, medial and oblique, located below the posterior half of the eye, with the lower end opposite to the center of the eye and the upper end opposite to the posterior edge of the eye. The length of the branchial foramen is equal to or slightly larger than the eye diameter, and at least 1/2 of the branchial foramen is above the horizontal line of the oral fissure.
the pectoral fin is short and round, with lateral position. The ventral fin is 1 short spines, consisting of 2 pairs of specialized scales, which are connected to the back end of the girdle bone and cannot move. The body is blue-gray, and the young fish are scattered with some cloud-like dark markings, but the adult fish markings are not obvious. The first dorsal fin is grayish brown, and the second dorsal fin, gluteal fin, pectoral fin and caudal fin are green. ?
Extended information
Living habits:
Living in the bottom of the open sea and inhabiting the sea area with a water depth of 51-121m. The optimum temperature range is 13 ~ 21℃, with 14 ~ 17℃ as the optimum temperature. Hi-clustering, there is obvious vertical movement during wintering and spawning, generally floating during the day and sinking at night.
omnivorous, feeding mainly on planktonic crustaceans such as copepods, isopods and ostracods, as well as mollusks and corals. Eat a lot before and after spawning, but eat little or nothing at the peak of spawning. During the day and night, they mainly eat from the afternoon to the middle of the night, but they eat little or no food from the middle of the night to the morning.
Baidu Encyclopedia-Squirrel Fish
Baidu Encyclopedia-Horse Face Fish