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Fish physiology - Wikipedia


Fish physiology is the scientific study of how the component parts of fish function together in the living fish. It can be contrasted with fish anatomy, which is the study of the form or .... The gr...

FISH, a quick course on the biology of fishes (Ichthyology)


There are many species of sharks which can inflict severe bodily injury and require the ... If this were so, the presence of blood would certainly have induced that ..... The tunas and mackerel sharks can actually have core body temperatures ten ...

The Earth Life Web, Thermoregulation in Fish


An introduction to the biology of thermoregulation in fish and sharks. ... By choosing a particular environment a fish can gain some control over it body temperature. ... So to have a more effectively functioning brain and muscles we need to keep ... (which does not generate much heat) and to heat the blood going to its brain.

Bony Fish Anatomy and Physiology - Sea World.org


A bony fish's heart has two chambers: an atrium and a ventricle. ... Muscle- generated heat warms the blood circulating through the red muscle, ... Some species of bony fishes can absorb considerable amounts of oxygen through their skin.

Section 4: Cartilaginous Fishes - Shark Research & Conservation ...

sharkresearch.rsmas.miami.edu/assets/pdfs/learning-tools/high-school/MODULE 2 Ichthyology - SECTION 4 Cartilaginous Fishes.pdf

A number of shark and ray species are fished, commercially or for sport. ..... such as great whites and makos, have a body temperature that can be quite a ... However, many sharks do have to swim continuously: due to their low blood pressure,.

Jawless and Bony Fish - Shark Research & Conservation Program ...

sharkresearch.rsmas.miami.edu/assets/pdfs/learning-tools/high-school/MODULE 2 Ichthyology - SECTION 3 Jawless and Bony Fishes.pdf

They have a cartilage skeleton (no bone), lack vertebral centra and paired fins .... injected into the host, causing the host to yield more blood. Hagfish are .... Depending on the species, bony fishes can live at various temperatures. Some live at.

Sharks & Rays | WiseOceans


Sharks & Rays are FISH, but they are very special fish, they are cartilaginous fish ... species which can be further classified into around 400 species of sharks .... This red muscle has a good blood supply and helps the shark to swim slowly for a long time ... Most fish are cold blooded; their body temperature is the same as the ...

Fish - Structure and Function. Biology article by D G Mackean


There are two main groups of fish, bony fish (Teleosts) and cartilaginous fish ( Elasmobranchs). As the ... The teleosts are far more numerous, with a greater diversity of species than the ... Their temperature varies with the temperature of their surroundings. Fish living in warm seas will have correspondingly warm blood ...

Fish Resource Guide - Understanding Evolution

evolution.berkeley.edu/evolibrary/teach/etol/Fish Resource Guide.pdf

temperature of the environment they are in. ... Though most fishes have scales covering their entire body, some only have ... showing common external and internal features of bony fishes. ... Pectoral Fins – depending on the type of fish, they can be used for swimming and ... carbohydrates and helps destroy old blood cells.

Shark Savers :: Shark Biology Primer


When you think of a shark what distinctive features do you think of? ... To be classified in Class Chondrichthyes, the fish has to have a skeleton made of cartilage, not ... Sharks have five rigid fins which they can't fold down against their bodies (unlike .... blood around their body, feeding their musckes and producing heat.