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Eusthenopteron (from Greek: εὖσθένος eûsthénos 'stout', and Greek: πτερόν pteron 'wing' or 'fin') [2] [1] is an extinct genus of prehistoric marine lobe-finned fish known from several species that lived during the Late Devonian period, about 385 million years ago.
These elongated, predatory fish are distinguished by their long dorsal fins, large mouths, and shiny teeth. They breathe air with gills, which allows them to migrate short distances over land. They have suprabranchial organs, which are primitive forms of labyrinth organs, that develop when they grow older. [1]
Actinopterygii (/ ˌ æ k t ɪ n ɒ p t ə ˈ r ɪ dʒ i aɪ /; from Ancient Greek ἀκτίς (aktis) 'having rays' and πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish [2] that comprise over 50% of living vertebrate species. [3]
The fish has longer pectoral-fin rays which mimicked the wing of a bird, the scientists said. The new species doesn’t have lateral lacrimal or second preopercular spines, meaning a spine on the ...
Clupeiformes / ˈ k l uː p iː ɪ f ɔːr m iː z / is the order of ray-finned fish that includes the herring family, Clupeidae, and the anchovy family, Engraulidae and sardines.The group includes many of the most important forage and food fish.
Bluefish are known as tailor in Australia and New Zealand, [5] elf and shad in South Africa. [6] [7] It is a popular gamefish and food fish. The bluefish is a moderately proportioned fish, with a broad, forked tail. The spiny first dorsal fin is normally folded back in a groove, as are its pectoral fins. Coloration is a grayish blue-green ...
The black jack has characteristic black fins and scutes. The black jack is a large fish, and is confidently known to grow to a length of 1 m [8] and a weight of 17.9 kg, [21] although is more common at lengths under 70 cm. [15] At least one source asserts a fish of 2.21 m has been reported, [22] which if true would make the black jack the second largest species of carangid behind the ...
The predatory carp (Chanodichthys erythropterus), also known as the redfin culter [1] or skygazer, is a species of ray-finned fish belonging to the family Xenocyprididae, the East Asian minnows or sharpbellies.