Vertebrate Kidneys

Index to this page All vertebrates have kidneys. Like the human kidney, they are made up of many nephrons. Link to a discussion of how the human kidney works. However, there are differences in the structure and functioning of various vertebrate kidneys that adapt them to the environment in which the animals live. All animals … Read more

Osteichthyes

Osteichthyes Osteichthyes Temporal range: Late Silurian–Present, Example of Osteichthyes: Queensland lungfish and West Indian Ocean coelacanth (two Sarcopterygii), Iridescent shark and American black sturgeon (two Actinopterygii) Scientific classification Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Clade: Eugnathostomata Clade: Teleostomi Superclass: Osteichthyes Huxley, 1880 Classes Osteichthyes (/ˌɒstiːˈɪkθi.iːz/), popularly referred to as the bony fish, is … Read more

All About the Little Fish. Vertebrate Cladogram Jawless fish Jaws Sharks Boney Skeleton Ray Finned Bones in Pectoral Fins (Appendages) Lobe finned Paired.

Download presentation Presentation is loading. Please wait. Published byAsher Richards Modified over 7 years ago 1 All About the Little Fish 2 Vertebrate Cladogram Jawless fish Jaws Sharks Boney Skeleton Ray Finned Bones in Pectoral Fins (Appendages) Lobe finned Paired appendages Amphibians Amniotic egg Reptiles Endotherms Birds Hair/fur Mammals Shared Derived Characteristics: The trait that … Read more

. Fishes. Fishes. 32 The Dissection of the Fish sosteus) the valve is reduced to a rudiment of three or four con- volutions near the end of the intestine. In the sharks and skates the intestine opens

. Fishes. Fishes. 32 The Dissection of the Fish sosteus) the valve is reduced to a rudiment of three or four con- volutions near the end of the intestine. In the sharks and skates the intestine opens into a cloaca, which contains also the urogenital openings. In all fishes the latter lie behind the orifice … Read more

Pirate Perch

Aphredoderidae (pirate perches) in the order Percopsiformes (trout-perch and allies) The pirate perch is a small, grayish fish that is heavily speckled with black. There is a narrow vertical dark bar at the base of the tail fin. another bar is often visible beneath the eye. The fins are dusky. Breeding adults are tinged with … Read more

EVOLUTION

Cladogram breakdown:Chondrichthyes which are cartilaginous fish have been traced back to a very long time in history as well as their fossils. These cartilaginous fish have been through evolution and became to what today we know as sharks, rays and other modern species. All these species fall under the Chondricthyans. Chondrichthyes has two major groups … Read more

Fish – Locomotion

Locomotion Many fishes have a streamlined body and swim freely in open water. Fish locomotion is closely correlated with habitat and ecological niche (the general position of the animal to its environment). Many fishes in both marine and fresh waters swim at the surface and have mouths adapted to feed best (and sometimes only) at … Read more