Xenisthmidae

The Xenisthmidae (Size: xenos = strange, rare, Isthmia, = -on neck, throat ) are a family of marine fish grundelartiger that occurs in the Indo-Pacific.

Features

There are very small, of only 1.95 to 3 cm long expectant fish that have an elongated body and a constant upper jaw. The outer edge of the lower lip lower side is free. The fish have six Branchiostegalstrahlen. A survey of the premaxilla is rudimentary or missing entirely.

System

After a molecular biological study are the Xenisthmidae part of Schläfergrundeln ( Eleotridae ).

Genera and species

There are ten species in seven genera:

  • Genus Allomicrodesmus Allomicrodesmus dorotheae Schultz, 1966.
  • Gymnoxenisthmus tigrellus Gill et al., 2014
  • Kraemericus smithi Menon & Talwar, 1972.
  • Paraxenisthmus springeri (nil ).
  • Rotuma lewisi Springer, 1988.
  • Tyson belos Springer, 1983.
  • Xenisthmus africanus Smith, 1958.
  • Xenisthmus Balius Gill & Randall, 1994.
  • Xenisthmus clarus ( Jordan & Seale, 1906).
  • Xenisthmus polyzonatus ( Klunzinger, 1871).
830827
de