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Fish may have evolved from an animal similar to a coral-like sea squirt (a tunicate), whose larvae resemble early fish in important ways.The first ancestors of fish may have kept the larval form into adulthood, as some sea squirts do today, although this path cannot be proven.
The elephantnose fish is a weakly electric fish which generates an electric field with its electric organ, detects small variations in the field with its electroreceptors, and processes the detected signals in the brain to locate nearby objects.
The best types of fish for first-time owners are fuss-free, easy to maintain, and hardy. But just because they might be a dream to look after, it doesn’t mean they’re dull. In fact, many of ...
A hybrid striped bass, also known as a wiper or whiterock bass, is a hybrid between the striped bass (Morone saxatilis) and the white bass (M. chrysops).Hybrid striped bass are considered better suited for culture in ponds than either parent species because they are more resilient to extremes of temperature and low dissolved oxygen, [1] although they gravitate toward areas of moving water ...
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 ...
Fish without these features use dynamic lift instead. It is done using their pectoral fins in a manner similar to the use of wings by airplanes and birds. As these fish swim, their pectoral fins are positioned to create lift which allows the fish to maintain a certain depth. The two major drawbacks of this method are that these fish must stay ...
Fish fins are distinctive anatomical features with varying structures among different clades: in ray-finned fish (Actinopterygii), fins are mainly composed of bony spines or rays covered by a thin stretch of scaleless skin; in lobe-finned fish (Sarcopterygii) such as coelacanths and lungfish, fins are short rays based around a muscular central ...
Ichthys was adopted as a Christian symbol.. The ichthys or ichthus (/ ˈ ɪ k θ ə s / [1]), from the Greek ikhthū́s (ἰχθύς, 1st cent.AD Koine Greek pronunciation: [ikʰˈtʰys], "fish") is (in its modern rendition) a symbol consisting of two intersecting arcs, the ends of the right side extending beyond the meeting point so as to resemble the profile of a fish.