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Fishes are a paraphyletic group and for this reason, the class Pisces seen in older reference works is no longer used in formal taxonomy.Traditional classification divides fish into three extant classes (Agnatha, Chondrichthyes, and Osteichthyes), and with extinct forms sometimes classified within those groups, sometimes as their own classes: [1]
Catalog of Fishes is a comprehensive on-line database and reference work on the scientific names of fish species and genera. It is global in its scope and is hosted by the California Academy of Sciences. It has been compiled and is continuously updated by the curator emeritus of the CAS fish collection, William N. Eschmeyer.
Whitetail dascyllus is up to 10 centimetres (3.9 in) in length but its common size is 6 centimetres (2.4 in) and is white with three black vertical bars. [2] It appears very similar to the closely related D. abudafur. [3] It may also be mistaken for D. melanurus, which has four black stripes instead of three. They have a small mouth, a flat ...
The study of fish dates from the Upper Paleolithic Revolution (with the advent of "high culture"). The science of ichthyology was developed in several interconnecting epochs, each with various significant advancements. The study of fish receives its origins from humans' desire to feed, clothe, and equip themselves with useful implements.
Abantennarius coccineus Conservation status Least Concern (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Lophiiformes Family: Antennariidae Genus: Abantennarius Species: A. coccineus Binomial name Abantennarius coccineus (Lesson, 1831) Synonyms Chironectes coccineus Lesson, 1831 Antennarius coccineus (Lesson, 1831 ...
Osteichthyes (/ ˌ ɒ s t iː ˈ ɪ k θ iː z / ost-ee-IK-theez; from Ancient Greek ὀστέον (ostéon) 'bone' and ἰχθύς (ikhthús) 'fish'), [2] also known as osteichthyans or commonly referred to as the bony fish, is a diverse superclass of vertebrate animals that have endoskeletons primarily composed of bone tissue.
The Triassic †Saurichthys was a highly specialized predator Costasaurichthys paucitrichus fossil Saurichthys curionii fossil Fossil of the Jurassic saurichthyid †Saurorhynchus brevirostris Morphological comparison of †Saurichthyidae with extant needlefish and flying fish. A. †Sinosaurichthys longipectoralis; B. †Sinosaurichthys longimedialis; C. †Sinosaurichthys minuta; D ...
The skipjack tuna (Katsuwonus pelamis) is a perciform fish in the tuna family, Scombridae, and is the only member of the genus Katsuwonus. It is also known as katsuo, arctic bonito, mushmouth, oceanic bonito, striped tuna or victor fish. It grows up to 1 m (3 ft) in length. It is a cosmopolitan pelagic fish found in tropical and warm-temperate ...