Yellowspotted sawtail
species of fish
The yellowspotted sawtail (Prionurus maculatus), or spotted sawtail, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This fish is found in the southwest Pacific Ocean.
Taxonomy
The yellowspotted sawtail was first formally described in 1887 by the Australian zoologist James Douglas Ogilby with its biology given as Port Jackson in Queensland. The genus Prionurus is the only genus in the tribe Prionurini which is one of three tribes in the subfamily Acanthurinae which is one of two subfamiles in the family Acanthuridae.
Etymology
The yellowspotted sawtail has the specific name, maculatus which means "spotted", a reference to the small yellow spots present on the upper body and the head of this fish.
Description
The yellowspotted sawtail has its dorsal fin supported by 9 spines and between 24 and 26 soft rays while the anal fin contains 3 spines and 23 to 25 soft rays. The body is deep, its depth being equivalent to a little over two times the standard length, and the head has a marginally convex dorsal profile and is steep between the snout and the origin of the dorsal fin. There are 3 blue and black keeled bony plates on the caudal peduncle and the caudal fin is weakly emarginate. The overall colour is bluish grey marked with many small yellow spots on the head and upper body. There are vertical yellow bars along the flanks and a whitish bar on the caudal peduncle.
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This entry incorporates text from “Yellowspotted sawtail” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.