Slender rainbow sardine
| Slender rainbow sardine | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Clupeiformes |
| Family: | Clupeidae |
| Genus: | Dussumieria |
| Species: | D. elopsoides |
| Binomial name | |
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Dussumieria elopsoides (Bleeker, 1849) |
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The slender rainbow sardine (Dussumieria elopsoides) is a small, subtropical, salt water fish of the Indian Ocean and the South China Sea which was first described by Bleeker in 1849. Dussumieria hasselti and Dussumieria productissima are synonyms for this same fish. It is a round herring of the family Clupeidae.
Until the 1980s in the eastern Mediterranean slender rainbow sardines were frequently confused with the rainbow sardine (Dussumieria acuta). Wangratana (1980) demonstrated the differences between Dussumieria acuta and Dussumieria elopsoides, while Whitehead (1985) and Randall (1996) showed that Dussumieria elopsoides does occur in the Mediterranean.
The slender rainbow sardine is primarily differentiated from the rainbow sardine, because the slender rainbow sardines do not have tiny radiating striae on the posterior part of their scales. There is some indication that the slender rainbow sardine may tend to have more vertebra than the rainbow sardine.
Originally restricted to the tropical and subtropical portions of the Indian Ocean and the South China Sea, the slender rainbow sardine is found off shores from Taiwan and the Philippines, to northern Australia, to east Africa, Madagascar and into the Red Sea. The slender rainbow sardine found its way into the Mediterranean via the Suez Canal. It is now found in the eastern Mediterranean off the shores from Turkey to Egypt. It has been reported as far east in the Pacific as the Solomon Islands.
The slender rainbow sardine swims in schools and while pelagic it is generally found near shores. It feeds on zooplankton, mainly crustacean and smaller fish. The slender rainbow sardine spawns mainly in spring. Its eggs, and when they hatch the larvae, drift passively until they metamorphose into free-swimming fish.
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Wikipedia