Betta Fish Anatomy Diagram - Scientific Illustration & Scale Reference #33750 (License: Personal Use)

This high-detail line drawing illustrates the morphology of a male Betta splendens, emphasizing its elongated caudal and dorsal fins, intricate scale patterning, and characteristic opercular membrane. The 2-inch scale bar provides accurate size context, making it valuable for educational and taxonomic purposes. The clean linework highlights anatomical features critical for species identification and behavioral studies.

Used in ichthyology resources, aquarium care guides, and biology textbooks to teach fish morphology; serves users seeking accurate visual references for Betta identification, breeding, or academic study.