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Concept
Common bluestripe snapper
Summary
The common bluestripe snapper (Lutjanus kasmira), bluestripe snapper, bluebanded snapper, bluestripe sea perch, fourline snapper, blue-line snapper or moonlighter, is a species of snapper belonging to the family Lutjanidae. It is native to the Indian Ocean from the coast of Africa and the Red Sea to the central Pacific Ocean. It is commercially important and sought as a game fish. It can also be found in the aquarium trade.
The common bluestripe snapper was first formally described in 1775 as Sciaena kasmira with no type locality given but it is considered likely to be the Red Sea. FishBase attributes the species description to the Finnish-born Swedish-speaking explorer and naturalist Peter Forsskål but the Catalog of Fishes attributes as follows
“Fabricius [J. C.] in Niebuhr (ex Forsskål) 1775:46, xi [Descriptiones animalium (Forsskål)”
Catalog of Fishes then states that the valid binomial is Lutjanus kasmira (Fabricius, 1775).
The specific name kasmira is the Arabic word used for this fish in the Red Sea.
The body is moderately deep in profile, with the dorsal profile of the head steeply sloped, having a well-developed preopercular notch and knob. Identifying morphological features include the number of gill rakers on lower limb of the first arch, which number 13 or 14, with the total rakers on the first arch numbering 20 to 22. The dorsal fin consists of 10 spines anterior to 14 or 15 soft rays, while the anal fin has three spines and seven or eight soft rays. The pectoral fins have 15 or 16 rays, with the caudal fin being slightly emarginate. The row of scales on the back rise obliquely above the lateral line, which contains 48 to 51 scales. This species can reach a length of , though most do not exceed .
The color is probably the most diagnostic feature of the fish, especially when alive or fresh from the water. The back and sides of the fish are bright yellow, with the lower sides and underside of head fading to white. Four bright-blue stripes run longitudinally on the side of the fish, with several faint greyish stripes on lowermost part of sides.
Official source
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