Shining tubeshoulder (Sagamichthys abei) is found in the eastern Pacific Ocean in various places including from Canada south to about California. This fish can grow to about 12-13 inches.

The Searsiidae family is close to the slickhead family in structure. These are usuallly found in rather deep waters. Teeth can usually be found on upper and lower jaws. Most species are less than 8 inch maximum in length. Some species have means of showing light. These fish are somwhat typical in shape compared to several marine salmon species. However, this group usually lacks an adipose fin (The adipose fin is located near the tail and could be referred to as a second small dorsal fin.) There were about 25 species as of l983.

Salmon Group, Order Salmoniformes, is found worldwide in oceans. To simplify study of this group we have separated the deep sea species into a second artificial order. This order includes a number of families with small sizes and bizarre shapes. (Some authors have moved these families to the order Stomiiformes.)

We have found two readily available sources that include information on deep sea fish that are in many libraries: Peterson Field Guide to Pacific Coast Fishes and the Encyclopedia of Fishes edited by Paxton.

We feel the purposes of hierarchical taxonomy are several fold. One purpose is for scientists to help discover physical and genetic relationships between species. A second, and probably more important purpose, is to help field biologists who monitor the environment and frequently work in many different groups of lifeforms to easily identify something. A third purpose is to help those who want to know about the different species on planet earth for a variety of reasons.

Bony fish, Class Teleostomi, are a class of chordates that include the majority of fish-like animals found on earth. They are characterized by a bony jaw and a bony skeleton. They are found in both fresh and marine waters.

Backboned Animals (Phylum Chordata) are the most advanced group of animals on earth. These animals are characterized by having a spinal cord or backbone. Most members have a clearly defined brain that controls the organism through a spinal cord. Fish, amphibians, reptiles, birds, and mammals are in this phylum.

Currently, some taxonomists believe that the fish should be divided into two groups (sharks and regular fishes) and that there are some other primitive groups in the phylum such as hagfish or lampreys.

Animal Kingdom contains numerous organisms that feed on other animals or plants. Included in the animal kingdom are the lower marine invertebrates such as sponges and corals, the jointed legged animals such as insects and spiders, and the backboned animals such as fish, amphibians, reptiles, birds, and mammals.

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