anterior anal photophores
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paracanthopterygian — ▪ fish Introduction any member of the superorder Paracanthopterygii, a predatory, primarily marine group that forms one of about six major branches of the Teleostei (teleost), or bony fishes, the dominant modern aquatic vertebrates.… … Universalium
Fish anatomy — The anatomy of fish is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs light more than air does. Body (1) operculum (gill cover), (2)… … Wikipedia
salmoniform — ▪ fish Introduction any member of the order Salmoniformes, a diverse and complex group of fishes. The order consists of about 1,000 species in the freshwaters and in the oceans of the world. Included are the familiar trout, salmon, and pike … Universalium
Fish — are aquatic vertebrate animals that are typically ectothermic (previously cold blooded), covered with scales, and equipped with two sets of paired fins and several unpaired fins. Fish are abundant in the sea and in fresh water, with species being … Wikipedia
Dwarf lanternshark — Conservation status Data Deficient ( … Wikipedia
