Plectranthias elongatus Wu, Randall & Chen 2011

Body elongated for genus, depth 3.7 in SL, and compressed, width 1.7 in body depth; dorsal profile of the head moderately convex, forming an angle of about 20° to horizontal; head length 2.6 in SL; snout length 4.4 in HL; orbit diameter 3.2 in HL; bony interorbital width very narrow, 13.0 in HL; least depth of caudal peduncle 3.4 in HL; caudalpeduncle length 1.9 in HL (Ref. 86539).Diagnosis: snout not scaly; maxilla scaly; body elongate, body depth 3.7 in SL; no antrorse spine on ventral margin of preopercle, osterior margin serrate; margins of opercle, nteropercle, and subopercle smooth; canine teeth n jaws; 4th and 5th dorsal spines longest; color hen fresh, pinkish-white with large orange-red spots, 1 extending onto posterior spinous portion of dorsal fin (Ref. 86539).

Dorsal spines (total): 10; Dorsal soft rays (total): 15; Anal spines: 3; Analsoft rays: 7

目前僅之分布於台灣西南海域。

小型花鱸，不具經濟性之魚種。

背鰭X,15，第四及第五背鰭棘最長；胸鰭鰭條16，除最上方鰭條外皆分叉；臀鰭III, 7；側線鱗31。吻端光滑不具鱗；上頜具鱗；體相當延長，體長為體高之3.7倍；前鰓蓋骨腹緣不具棘，後緣呈鋸齒狀。主鰓蓋骨、間鰓蓋骨及下鰓蓋骨外緣皆為光滑。兩頜具犬齒。尾鰭上下不對稱，上半部較長，至少有兩鰭條向後延伸，下半部略凹。新鮮時體色為淡粉紅色，具有許多大橙紅色斑點，其中一個延伸至第一背鰭後部。

主要棲息於較深水域的岩礁區。底棲性。

Plectranthias elongatus is a species of fish in the family Serranidae occurring in the Pacific Ocean.

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Plectranthias elongatus Plectranthias generoko animalia da. Arrainen barruko Serranidae familian sailkatzen da.

長身棘花鱸，為輻鰭魚綱鱸形目鱸亞目鮨科的其中一種，分布於西太平洋台灣西南部海域，棲息深度可達243公尺，體長可達5.4公分，為底棲性魚類，屬肉食性，生活習性不明。