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The big-scale pomfret (Taractichthys longipinnis) also known as the long-finned bream, is a species of marine ray-finned fish, a pomfret of the family Bramidae. It is found in the Atlantic ocean, at depths down to 500 metres (1,600 ft). This species is widely distributed in the Pacific, from temperate zones throughout the tropics.
The hardhead has an elongated, slender body which is brown to dusky bronze above, the larger fish being darkest, with silver sides. The dorsal fin has its origin behind that of the pelvic fin, It has 69–81 scales on its lateral line; the dorsal fin has 8 rays. The jaws are not extendable and there is a premaxillary frenum.
ɪ f ɔːr m iː z / is an order of ray-finned fish that includes the cusk-eels (family Ophidiidae), pearlfishes (family Carapidae), viviparous brotulas (family Bythitidae), and others. Members of this order have small heads and long slender bodies.
Ganoine is an ancient feature of ray-finned fishes, being found for example on the scales of stem group actinopteryigian Cheirolepis. [17] While often considered a synapomorphic character of ray-finned fishes, ganoine or ganoine-like tissues are also found on the extinct acanthodii. [17]
This category contains articles about taxa at the order level in the class Actinopterygii, the ray-finned fishes. The ray-finned fishes contain most of the species of fish and these are divided into 46 orders. Most of the fishes known to aquarists and anglers are within this class. **Subcategories are listed below for all 46 orders and examples ...
Acanthopterygii (meaning "spiny finned one") is a superorder of bony fishes in the class Actinopterygii.Members of this superorder are sometimes called ray-finned fishes for the characteristic sharp, bony rays in their fins; however this name is often given to the class Actinopterygii as a whole.
These individual fin rays can be curved nearly twice the maximum recorded curvature for ray-finned fish fin rays during locomotion. These fin rays are curved into the direction of motion, indicating that the knifefish has active control of the fin ray curvature, and that this curvature is not the result of passive bending due to fluid loading. [4]
Sphyraena chrysotaenia, the yellowstripe barracuda, is a species of predatory, ray finned fish from the family Sphyraenidae which is found in the Indo-West Pacific region. It has entered the Mediterranean Sea from the Red Sea through the Suez Canal as a Lessepesian migrant and is now an important species in the fisheries of the eastern ...