Rivers: diverse habitats with broadly varying niches ... often sorted by the action of water. Anadromous: Fish spending most of their life cycle in salt water and migrating to freshwater to ...

HABITAT: Freshwater mussels live on river bottoms and most ... river currents and can be carried upstream on the gills of their host fishes. BREEDING and LIFE CYCLE: Females lay eggs and brood them ...

Members of the species undertake an epic journey to complete their life cycle, migrating from freshwater rivers ... the species — but still designated no federally protected habitat for the fish. To ...

Not much is known about the life cycle of the barreleye, but scientists believe it follows a typical deep-sea fish pattern ... but its natural habitat makes it difficult to study and understand ...

Thirty juvenile Alabama shad are striking out on a 650-mile journey from the Ouachita River in southwest Arkansas to the Gulf ...