dussumieria acuta valenciennes, 1847
Synonyms: beak round belly herring
English name: rainbow sardine, rainbowround herring
Taxonomic status: Osteichthyes osteichthyes, herring-shaped head clupeiformes, clupeid clupeidae
Dorsal 20; anal 15; pectoral 14; pelvic fins 8. Column scales 48, scales 13 rows. Gill rakers 13 +22.
Body length 3.6 times higher for the body, head length 4.2 times. Snout length in head length 3.3 times, 3.8 times the eye diameter, 4.8 times the interval for the eye. Caudal peduncle length of caudal peduncle 1.0 times higher.
Spindle length, side flat, blunt abdomen, shuttleless scales. Head small. Long and sharp kiss, kiss grew up in the eye diameter. Eye large, less than snout length, on the lateral. Eye interval slightly elevated. 2 nostrils on each side, bit close to snout. Mouth large, the first place. On the lower jaw about equal length. Villous jaw with two teeth, vomer toothless. Gill holes large. Left gills tectorial membrane separation, not to isthmus. Gill rakers slender. Anus near the anal fin.
Scales round the body is thin and easy to fall off. No lateral line.
Dorsal side later in the middle of the body, from the pitch from the snout to caudal fin base than near. Anal fin base short, starting in the pelvic fin origin and caudal fin base midpoint. Pectoral fins short, the next lateral. Pelvic fins below the starting point after the dorsal fin. Forked caudal fin.
Dorsal dark brown body, the following lateral central gray yellow. Dorsal fin light gray, scattered with black points. Tail light gray, gray-black trailing edge. Pectoral fins, pelvic fins, anal fin pale.
Herring, round belly is warm water pelagic fish. I made the South China Sea, Taiwan Strait. |
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