Genus Hypselognathus

Summary:

An endemic southern Australian genus 2 species. Body very elongate, trunk shallow; head aligned with body; snout long, compressed laterally; STR and STAR discontinuous near rear of dorsal‑fin base; ITR and ITAR continuous; LTR count confluent with tail ridges; eggs brooded on open undersurface of tail just behind anal fin; tail not prehensile; dorsal-fin base of moderate length; anal fin tiny, below front half of dorsal fin; caudal fin small, broadly pointed; pectoral fins present.

Author: Martin F. Gomon & Dianne J. Bray