Taxonomy of Finfish (1+2)

HEMISCYLLIIDAE

HEMISYLLIIDAE

    Small sharks.
    Trunk cylindrical or moderately depressed,precaudal tail cylindrical and somewhat longer than trunk
    Spiracles very large and located behind and below eyes;
    Nostrils with barbels, nasoral grooves, and circumnarial grooves present
    Mouth small, nearly transverse, and well in front of eyes;
    Second dorsal fin about as large as the first and of similar shape;
    Anal fin moderately large, very low, broad and rounded, with its origin well behind the second dorsal base and its base separated by a notch from the caudal fin;