Odacini

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Odacini
Heteroscarus acroptilus

Heteroscarus acroptilus

Systematics
Spinefish (Acanthopterygii)
Perch relatives (Percomorphaceae)
Order : Labriformes
Family : Wrasse (Labridae)
Subfamily : Zahnlippfische (Hypsigenyinae)
Tribe : Odacini
Scientific name
Odacini
Günther , 1861

The Odacini are a twelve species in six genera comprehensive tribe of wrasse (Labridae). They differ from the other wrasse in their fused teeth that form sharp edges. Like the parrot fish , the Odacini were and are also counted as an independent family within the wrasse-like (Labroidei). Phylogenetically , however, they clearly belong to the wrasse. They are a clade of dental wrasse that specialize in plant food .

features

The Odacini are slender to very slender, ten to forty centimeters long fish. Most species, such as Heteroscarus acroptilus , are brightly colored. Your scales are small. Their long dorsal fin has 14 to 27 hard rays and 9 to 22 soft rays. The pelvic fins have one hard and four soft rays. Siphonognathus argyrophanes lacks the pelvic fins. It is very elongated and resembles the trumpet fish . In all Odacini, with the exception of the latter, the sexes are colored differently.

distribution

Most of the Odacini live on the coasts of southern Australia and Tasmania in seagrass meadows and kelp forests . The two species of the Odax genus are endemic to New Zealand .

Odax pullus
Olisthops cyanomelas

Systematics

There are twelve species in six genera.

literature

  • Kurt Fiedler: Textbook of Special Zoology . Volume II, Part 2: Fish . Gustav Fischer Verlag, Jena 1991, ISBN 3-334-00339-6 .
  • Joseph S. Nelson , Fishes of the World . John Wiley & Sons, 2006, ISBN 0-471-25031-7 .
  • Kendall D. Clements, Michael E. Alfaro, Jennifer L. Fessler, Mark W. Westneatc: Relationships of the temperate Australasian labrid fish tribe Odacini , 2003, PMID 15223039 .

Web links

Commons : Odacidae  - Collection of images, videos and audio files