Xenisthmidae

Collared wrigglers are perciform fishes in the family Xenisthmidae. They are native to the Indian and Pacific Oceans, where they are mostly reef-dwelling.

Collared wrigglers
Allomicrodesmus dorotheae
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Gobiiformes
Suborder:	Gobioidei
Family:	Xenisthmidae
Genera
Allomicrodesmus Gymnoxenisthmus Kraemericus Paraxenisthmus Rotuma Tyson Xenisthmus

Species

The 10 species in 7 genera are:

• Genus Allomicrodesmus Schultz, 1966

• Allomicrodesmus dorotheae Schultz, 1966 ^[1]

• Genus Gymnoxenisthmus Gill, Bogorodsky & Mal, 2014 ^[2]

• Gymnoxenisthmus tigrellus Gill, Bogorodsky & Mal, 2014 ^[2]

• Genus Kraemericus

• Kraemericus smithi Menon & Talwar, 1972

• Genus Paraxenisthmus Gill & Hoese, 1993

• Paraxenisthmus springeri Gill & Hoese, 1993 ^[3]

• Genus Rotuma Springer, 1988

• Rotuma lewisi Springer, 1988 ^[4]

• Genus Tyson Springer, 1983

• Tyson belos Springer, 1983 ^[5]

• Genus Xenisthmus Snyder, 1908

• Xenisthmus africanus Smith, 1958 (the flathead wriggler or African wriggler)^[6]
• Xenisthmus balius Gill & Randall, 1994 ^[7]
• Xenisthmus chi Gill & Hoese, 2004 ^[8]
• Xenisthmus clarus (Jordan & Seale, 1906) ^[9]
• Xenisthmus eirospilus Gill & Hoese, 2004 ^[8]
• Xenisthmus polyzonatus (Klunzinger, 1871) (the bull's-eye wriggler or polyzonate wriggler) is peach-coloured with a bull's-eye-like spot on its tail.
• Xenisthmus semicinctus Gill & Hoese, 2004 ^[8]