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Ombilinichthys yamini is the oldest known gourami. The family Osphronemidae is divided into the following subfamilies and genera: [3] [4] family Osphronemidae van der Hoeven, 1832
Fish anatomy is the study of the form or morphology of fish.It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. [1]
The heart is a muscular organ found in humans and other animals.This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2]
The ocean sunfish (Mola mola), also known as the common mola, is one of the largest bony fish in the world. It is the type species of the genus Mola, and one of five extant species in the family Molidae.
In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [1] [2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and Latin vascula meaning vessels).
Lionfish have 18 venomous spines total: two pelvic, three anal, and 13 dorsal spines. Pterois is a genus of venomous marine fish, commonly known as the lionfish, native to the Indo-Pacific.
At least five extinct genera, known only from fossils, are classified as osteoglossids; these date back at least as far as the Late Cretaceous.Other fossils from as far back as the Late Jurassic or Early Cretaceous are widely considered to belong to the arowana superorder Osteoglossomorpha.
The marlins are Istiophoriform fish, most closely related to the swordfish (which itself is the sole member of the family Xiphiidae).The carangiformes are believed to be the second-closest clade to marlins.