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Results for “anal-fin origin”

Ichthyological terms, not general ones.

Species 19Articles 3Glossary 3

  • anal-fin origin

    Anteriormost point at which the anal fin base is attached to the body.

    Used in 108 profiles

  • caudal peduncle

    The typically narrow section of the body located between the posterior of the dorsal and anal fins and caudal fin origin. Its depth is measured vertically at the narrowest point.

    Used in 394 profiles

  • body depth

    The vertical distance between the dorsal and ventral margins of the body measured at the base of the pectoral fin where it joins the body. In most icthyological works the greatest dimension, normally anterior to the dorsal fin, is taken but in some cases body depth is measured at the origin of pectoral, pelvic and first anal. Fins or fin bases are not included in the measurement, however.

    Used in 85 profiles