Planiliza lauvergnii
Planiliza lauvergnii (Eydoux & Souleyet, 1850)
Eastern keelback mullet
Planiliza lauvergnii
photo by Lai, N.-W.

Family:  Mugilidae (Mullets)
Max. size:  39.4 cm TL (male/unsexed); max.weight: 408.3 g
Environment:  pelagic-neritic; brackish; marine
Distribution:  Northwest Pacific: Japan through the Ryukyus, Korea, China, Taiwan, to Vietnam (Ref. 137907). Might occur as a rare visitor to the northern extreme of the Western Central Pacific.
Diagnosis:  Anal spines: 3-3; Anal soft rays: 8-9; Vertebrae: 24-24. This species is distinguished by the following characters: hind tip of maxilla exposed when mouth is closed; head relatively small and flattened dorsally, head length 22-28% of SL; adipose eyelid is developed anteriorly and posteriorly covering part of iris; mid-dorsal line is sharply keeled; second vertebra with a pair of long, spine or antenna like neural postzygapophyse; stomach gizzard-like, with five unbranched pyloric caeca; transverse scales 11-13 (mode 12) rows; scales in lateral series usually 36-40; pectoral-fin usually with 17 rays; pectoral-fin length, 14-18% of SL, not reaching to level of first dorsal fin; supraneurals 3, the first between second and third vertebrae, second between fourth and fifth vertebrae, and third between fifth and sixth vertebrae; first pterygiophore of spinous dorsal fin positions in between sixth and seventh vertebrae (Ref. 137907).
Biology:  Occurs in coastal and estuarine waters near river mouths, occasionally visiting upstream tidally influenced zones (Ref. 137907). Oviparous, eggs are pelagic and non-adhesive (Ref. 205). Consumed locally in many places but likely not fished in commercial quantities (Ref. 137907). Used as food fish in Japan.
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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