Significance to humans

A great number of species within these four families are prized sport fishes. Examples are walleye and perch in the family Percidae, as well as both large- and smallmouth bass in the family Centrarchidae. A few, such as the banded pygmy sunfish (Elassoma zonatum) are considered indicator species, and provide scientists with information about the environmental health of a particular waterway. Several members of these families, particularly the yellow perch and walleye (in the family Percidae), are commercial food fishes.

1. Logperch (Percina caprodes); 2. Breeding male rainbow darter (Etheostoma caeruleum); 3. Ruffe (Gymnocephalus cernuus); 4. Blue-spotted sunfish (Enneacanthus gloriosus); 5. Rock bass (Ambloplites rupestris); 6. Female black crappie (Pomoxis nigromaculatus). (Illustration by Emily Damstra)

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1. Banded pygmy sunfish (Elassoma zonatum); 2. Male yellow perch (Perca flavescens); 3. Walleye (Stizostedion vitreum); 4. Largemouth bass (Micropterus salmoides); 5. Male longear sunfish (Lepomis megalotis); 6. Bluegill (Lepomis macrochirus); 7. Striped sea bass (Morone saxatilis). (Illustration by Emily Damstra)

Betta Fish

Betta Fish

This is not another general fish hobby ebook you come across often. This ebook has valuable information that comes from years of research by many experience experts around the world who share the same interest you and me have..... Betta Fishes.

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