longnose gar showcases its elongated body and unique coloration in a high resolution setting emphasizing its remarkable

longnose gar lepisosteus osseus freshwater fish elongated aquatic species anatomy diversity ichthyology wildlife habitat nature underwater life river lake carnivorous characteristics natural history ecosystems marine biology sport fishing conservation scientific study biodiversity adaptations ecology reptiles ancient fossil scales dorsal fins predatory observation identification behavior ganoid vertebrates endangered predators reproduction research ai generated