Webspiny-finned fish: 1 n a teleost fish with fins that are supported by sharp inflexible rays Synonyms: acanthopterygian Antonyms: malacopterygian , soft-finned fish any fish of … Webfin: [noun] an external membranous process of an aquatic animal (such as a fish) used in propelling or guiding the body — see fish illustration.

Fish - Wikipedia

WebDiversity. Actinopterygians, or ‘ray-finned fishes,’ are the largest and most successful group of fishes and make up half of all living vertebrates. While actinopterygians appeared in the fossil record during the Devonian period, between 400-350 million years ago (Ma), it was not until the Carbonifer ... Early lobe-finned fishes are bony fish with fleshy, lobed, paired fins, which are joined to the body by a single bone. The fins of lobe-finned fishes differ from those of all other fish in that each is borne on a fleshy, lobelike, scaly stalk extending from the body. The scales of sarcopterygians are true scaloids, consisting of lamellar bone surrounded by layers of vascular bone, dentine-like c… marie e. mcdonnell

Cladistic classification of Sarcopterygii - Wikipedia

WebFish are aquatic, craniate, gill -bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with around 99% of those ... WebFinned fish is one of the most common food allergies with a prevalence of 1% in the U.S. population. In one study, salmon, tuna, catfish and cod were the fish to which people most commonly reported allergic reactions. When a person with an allergy to a particular fish is exposed to that fish, proteins in the fish bind to specific IgE antibodies ... WebLobe-finned Fish definition: Any of various bony fishes of the class Sarcopterygii, having paired fleshy rounded fins. The lobe-finned fishes first appeared in the Devonian Period and are extinct except for the coelacanths and lungfishes. marie e nevin