Xenisthmidae
Xenisthmidae sunt familia piscium ordinis Perciformium, in oceanis Indico et Pacifico endemicorum, ubi ei in scopulis habitant. Species sunt praedatoriae et hominibus aliquantulum minantur.

Species 
Sunt novem species in sex genera digestae:
 Genus Allomicrodesmus
 Allomicrodesmus dorotheae Schultz, 1966
 Genus Kraemericus
 Kraemericus smithi Menon & Talwar, 1972
 Genus Paraxenisthmus Gill & Hoese, 1993
 Paraxenisthmus springeri Gill & Hoese, 1993
 Genus Rotuma Springer, 1988
 Rotuma lewisi Springer, 1988
 Genus Tyson Springer, 1983
 Tyson belos Springer, 1983
 Genus Xenisthmus Snyder, 1908
 Xenisthmus africanus Smith, 1958 (the flathead wriggler or African wriggler)
 Xenisthmus balius Gill & Randall, 1994
 Xenisthmus chi Gill & Hoese, 2004
 Xenisthmus clarus (Jordan & Seale, 1906)
 Xenisthmus eirospilus Gill & Hoese, 2004
 Xenisthmus polyzonatus (Klunzinger, 1871)
 Xenisthmus semicinctus Gill & Hoese, 2004

Notae 

 

Gobioidei